用hwqk×dlol可以用的特殊符号成那些简单的符号

知识点梳理
物质的鉴别、推断【知识点的认识】物质的鉴别就是指根据常见的物质的性质或相互关系,尤其是它们的特性或反应时的现象等,通过细致地分析、推断,来鉴别出它们究竟是哪一种具体的物质的复杂过程.这类鉴别的类型和方法有多种,现点两种类型及其原理、方法和典型例题等,以图起到的作用.1.一剂鉴别(即限用一种试剂来鉴别多种物质),其原理是选择一种试剂,分别加入到待测物质中,会出现明显不同的现象;然后据此将其逐一鉴别开来.常用的方法如下:(1)若物质间有明显的溶解性差异、溶解时的吸热或放热差异以及水溶液的颜色差异时,可用“水”来鉴别(如碳酸钙、氢氧化钠、硫酸铜和氯化钠的鉴别).(2)若物质间有明显的酸碱性差异,可选用紫色石蕊溶液或pH试纸来鉴别(如盐酸、氯化钠和氢氧化钙溶液的鉴别).(3)鉴别一组溶液时,若其中有酸,可选用碳酸钠等可溶性碳酸盐来鉴别(如盐酸、氯化钠和氢氧化钙溶液的鉴别).若其中有碳酸盐,可从酸入手;当同时有含银离子的化合物时,应选用盐酸(如碳酸钠、氯化钠和硝酸银的鉴别);当同时有含 Ba2+的化合物时,则选用硫酸(如碳酸钠、氯化钡和硝酸钾的鉴别).若阴离子相同而阳离子不同,可用强碱溶液(如氢氧化钠、氢氧化钡)来鉴别(如氯化铜、氯化镁、氯化亚铁和氯化铵的鉴别).(4)若被鉴别的物质为金属单质、非金属单质和金属氧化物时,可选用稀盐酸、稀硫酸为试剂来鉴别(如铁粉、碳粉、氧化铜).2.无剂鉴别(即不用任何其它试剂鉴别多种物质),其原理是一般利用物质的物理性质(如颜色、溶解性等)不同,通过感观找到突破口,然后利用已鉴别出来的物质作为试剂将其余物质依次鉴别出来.当然,有时也利用物质的化学性质,通过比较它们两两化学反应时的不同现象,来将其鉴别开来.例如,不用其它试剂,将稀盐酸、氯化钠溶液、碳酸钠溶液和氯化钡溶液四种物质鉴别开的顺序是碳酸钠溶液→稀盐酸或氯化钡溶液→氯化钠溶液.方法是将这四种物质,分别取样,然后两两进行反应;既可和其中的一种物质反应生成沉淀,又可和其中的另一种物质反应生成气体(即冒气泡)的是碳酸钠溶液;那么和碳酸钠反应生成气体(即冒气泡)的是稀盐酸,而生成沉淀的氯化钡溶液,最后剩余的一种就的是氯化钠溶液了.而物质的推断是指根据给出的某种物质的可直接的物理、化学特性,确定部分物质后,再地逐一推断出每一种物质的过程.这类题的解题方法或思路是:首先,分析好题意,既关注明显信息,又要挖掘出有用的隐含信息;然后,根据所学的掌握的基础知识,抓住关键信息,寻找突破口(即物质的特性或反应时的特殊现象等),细心地全面地思考、推断即可.这类题的常见类型有如下四种:1.反应式型;例如,2.描述型;例如, 3.网络型;例如,4.表格型;例如,
式的书写及意义【知识点的认识】化学式的书写分两种情况:1.单质的化学式的书写:此时又分为两种:(1)由原子构成的单质,用组成该单质的元素的元素符号来表示它的化学式.例如,铁的化学式为Fe;硫的为S;氦气的为He;等等.(2)由分子构成的单质,要先写出组成该单质的元素的元素符号,再在其右下角标出该分子的构成(即该分子中所含的原子个数);才能完成其化学式的书写.例如,氧气的化学式为{{O}_{2}};氮气的为{{N}_{2}};氢气的为{{H}_{2}};等等.2.化合物的化学式的书写:(1)是要先按照“左正右负”的原则[即正价元素或原子团写在左边,负价元素或原子团写在右边;但甲烷(C{{H}_{4}})、氨气(N{{H}_{3}})除外],书写出组成该化合物的元素的元素符号;(2)是采用交叉法(即交叉正、负化合价的数值),找到并标出各元素符号右下角所要标注的原子或离子个数;即可得到该化合物的化学式.而化学式的意义一般是指宏观上表示该物质及该物质的元素组成,微观上表示该物质的构成.如果构成该物质的粒子是原子,那么它还能表示元素和一个该原子;如果构成该物质的粒子是分子,它除了表示一个该分子外,还表示该分子的构成;等等.当然,有时根据物质的化学式,结合所给的原子的相对原子质量,还能计算出该物质的相对分子质量、其中的元素质量比或某元素的质量分数,等等.具体的表述是这样的:(1)由原子构成的物质的化学式的意义,以铁(Fe)为例,它除了表示铁这种物质、铁由铁元素组成、铁由铁原子构成以外,还能表示铁元素和一个铁原子,等等.(2)由分子构成的物质的化学式的意义,以水({{H}_{2}}O)为例,如图所示:.另外,根据水的化学式({{H}_{2}}O)还可以计算出:a. 水的相对分子质量是18;b. 水中氢元素与氧元素的质量比是1:8;c. 水中氢元素的质量分数是11.11%,氧元素的是88.89%;等等.{{H}_{2}}O(3)由离子构成的物质的化学式的意义,以氯化钠(NaCl)为例,它既表示氯化钠这种物质,又表示氯化钠由钠元素和氯元素组成,还表示氯化钠由钠离子和氯离子构成,等等.
书写式、文字表达式、电离方程式【知识点的认识】书写化学方程式的步骤一般有四步:1.根据实验事实,在式子的左、右两边分别写出反应物和生成物的化学式,并在式子的左、右两边之间画一条短线;当反应物或生成物有多种时,中间用加号(即“+”)连接起来.2.配平化学方程式,并检查后,将刚才画的短线改写成等号(表示式子左、右两边每一种元素原子的总数相等).3.标明化学反应发生的条件(因为化学反应只有在一定的条件下才能发生);如点燃、加热(常用“△”号表示)、催化剂、通电等.并且,一般都写在等号的上面,若有两个条件,等号上面写一个下面写一个,等等.4.注明生成物中气体或固体的状态符号(即“↑”、“↓”);一般标注在气体或固体生成物的化学式的右边.但是,如果反应物和生成物中都有气体或固体时,其状态符号就不用标注了.书写文字表达式的步骤一般分为两步:1.根据实验事实,将反应物和生成物的名称分别写在式子的左、右两边,并在式子的左、右两边之间标出一个指向生成物的箭头(即“→”);当反应物或生成物有多种时,中间用加号(即“+”)连接起来.2.标明化学反应发生的条件(因为化学反应只有在一定的条件下才能发生);如点燃、加热、催化剂、通电等.并且,一般都写在箭头的上面,若有两个条件,箭头上面写一个下面写一个,等等.书写电离方程式的步骤一般也分为两步:1.在式子的左、右两边分别写出反应物的化学式和电离产生的阴、阳离子符号,并在式子的左、右两边之间画一条短线;阴、阳离子符号的中间用加号(即“+”)连接起来.2.将阴、阳离子的原形的右下角的个数,分别配在阴、阳离子符号的前面,使阳离子和阴离子所带的正、负电荷的总数相等(即溶液不显电性);检查好后,将刚才画的短线改写成等号即可.当然,也可以,根据阴、阳离子所带的电荷数,利用最小公倍数法,在阴、阳离子符号的前面,配上适当的化学计量数,使阴、阳离子所带的电荷总数相等(即溶液不显电性).
反应类型的判定【知识点的认识】反应类型的判定主要是指四大基本反应类型(即化合反应、分解反应、置换反应和复分解反应)的判定.判定的方法就是结合它们的概念和相应的通式,根据它们各自的特点来细心地判定.当然,有时也对氧化反应和还原反应进行判定.判定方法是从物质得、失氧(即氧元素)的角度来判定的;物质得氧的反应是氧化反应,物质失氧的反应是还原反应.
整理教师:&&
举一反三(巩固练习,成绩显著提升,去)
根据问他()知识点分析,
试题“A~H都是初中常见的物质,其中D为蓝色沉淀,A,E是组成元素...”,相似的试题还有:
张老师在指导学生记忆化学方程式时指出很多反应可以归纳,如:氧化钙、氢氧化钙、碳酸钙等与盐酸反应时生成物中都含有氯化钙和水.同学们兴趣很高,也进行了归纳:(1)甲物质与稀硫酸反应时生成物中有CuSO4和H2O,则甲物质可以是_____和_____(请填写两种不同类别物质的化学式);写出上述转化过程中,属于中和反应的化学方程式_____.(2)A-H都是初中常见的物质,其中D为蓝色沉淀,A、E是组成元素相同的两种气体,F、H为黑色固体.他们之间转化关系如下图(反应条件及部分反应物和生成物已略去)①反应F→B属于_____(填基本反应类型)②C的化学式是_____.③写出反应A\underrightarrow {Fe_{2}O_{3}}E化学方程式_____&④答出G的一种用途_____.
张老师在指导学生记忆化学方程式时指出很多反应可以归纳,如:氧化钙、氢氧化钙、碳酸钙等与盐酸反应时生成物中都含有氯化钙和水.同学们兴趣很高,也进行了归纳:(1)甲物质与稀硫酸反应时生成物中有CuSO4和H2O,则甲物质可以是()和()(请填写两种不同类别物质的化学式);写出上述转化过程中,属于中和反应的化学方程式().(2)A-H都是初中常见的物质,其中D为蓝色沉淀,A、E是组成元素相同的两种气体,F、H为黑色固体.他们之间转化关系如下图(反应条件及部分反应物和生成物已略去)①反应F→B属于()(填基本反应类型)②C的化学式是().③写出反应AE化学方程式()④答出G的一种用途().
老师在指导学生记忆化学方程式时指出很多反应可以归纳,如:氧化钙、氢氧化钙、碳酸钙等与盐酸反应时生成物中都含有氯化钙和水.同学们兴趣很高,也进行了归纳:(1)甲物质与稀硫酸反应时生成物中有CuSO4和H2O,则甲物质可以是_____和_____(请填写两种不同类别物质的化学式);写出上述转化过程中,属于中和反应的化学方程式_____.(2)A-H都是初中常见的物质,其中D为蓝色沉淀,A、E是组成元素相同的两种气体,F、H为黑色固体.他们之间转化关系如图(反应条件及部分反应物和生成物已略去)&①C的化学式是_____;②写出反应写出反应A\underrightarrow {Fe_{2}O_{3}}E的化学方程式_____;③写出反应E→G的化学方程式_____.下列符号与含义不相符的是(  )A.氢元素用符号H表示B.两个氧原子的符号为O2C.3O表示三个氧原子D.M_百度知道
下列符号与含义不相符的是(  )A.氢元素用符号H表示B.两个氧原子的符号为O2C.3O表示三个氧原子D.M
下列符号与含义不相符的是(  )A.氢元素用符号H表示B.两个氧原子的符号为O2C.3O表示三个氧原子D.Mg表示镁元素、一个镁原子、金属镁
我有更好的答案
故3O表示三个氧原子说法正确、金属镁说法正确A,故其元素符号还可表示这种物质:2O、金属是由原子直接构成的物质;B,故氢元素用符号H表示说法正确;故B错误;D、标在元素符号前面的数字表示原子的个数;C、标在元素符号前面的数字表示原子的个数,故两个氧原子可表示为、根据元素符号可表示元素,故Mg表示镁元素、一个镁原子
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CHARACTER_LENGTH(),
CHARACTER_SETS
INFORMATION_SCHEMA
CHARSET(),
CHAR_LENGTH(),
check options
myisamchk,
CHECK TABLE,
tables for errors,
checksum errors,
CHECKSUM TABLE,
choosing types,
client programs
building,
client tools,
debugging,
threaded,
COALESCE(),
COERCIBILITY(),
ColdFusion
COLLATION(),
COLLATIONS
INFORMATION_SCHEMA
COLLATION_CHARACTER_SET_APPLICABILITY
INFORMATION_SCHEMA
changing,
column comments,
column names
case sensitivity,
changing,
other types,
selecting,
storage requirements,
INFORMATION_SCHEMA
COLUMN_PRIVILEGES
INFORMATION_SCHEMA
command syntax,
command-line history
command-line options,
mysqladmin,
for binary distribution,
replication masters,
replication slaves,
commands out of sync,
Comment syntax,
starting,
COMMIT,,
XA transactions,
comparison operators,
compatibility
with mSQL,
with ODBC,,,,,
with Oracle,,,
with PostgreSQL,
with standard SQL,
with Sybase,
on Windows,
optimizing,
problems,
statically,
user-defined functions,
compliance
composite subpartitioning,
COMPRESS(),
compressed tables,
CONCAT(),
CONCAT_WS(),
concurrent inserts,
Conditions,
config-file
mysqld_multi
config.cache,
config.cache
configuration files,
configuration options,
running after prior invocation,
configure option
--with-charset,
--with-collation,
--with-extra-charsets,
--with-low-memory,
configure script,
connecting
remotely with SSH,
to the server,,
verification,
connection
CONNECTION_ID(),
Connector/JDBC,
Connector/ODBC,,
reporting problems,
connect_timeout
variable,,
constant table,,
constraints,
CONSTRAINTS
INFORMATION_SCHEMA
Contains(),
contributing companies
contributors
control access,
control flow functions,
conventions
typographical,
CONVERT TO,
CONVERT_TZ(),
ConvexHull(),
copying databases,
copying tables,
COUNT(DISTINCT),
table rows,
recovery,
repeated,
crash-me,
crash-me program,,
CREATE DATABASE,
CREATE FUNCTION,,
CREATE INDEX,
CREATE PROCEDURE,
CREATE SCHEMA,
CREATE TABLE,
CREATE USER,
CREATE VIEW,
bug reports,
database,
databases,
default startup options,
creating user accounts,
CROSS JOIN,
Crosses(),
CR_SERVER_GONE_ERROR,
CR_SERVER_LOST_ERROR,
CSV storage engine,,
CSV table type,,
CURDATE(),
CURRENT_DATE,
CURRENT_TIME,
CURRENT_TIMESTAMP,
CURRENT_USER(),
CURTIME(),
customer support
mailing address,
of MySQL,
environment variable,,,
environment variable,,,
character sets,
loading into tables,
retrieving,
BINARY,,
BOOLEAN,,
CHAR VARYING,
CHARACTER,
CHARACTER VARYING,
DATETIME,,
DECIMAL,,
DOUBLE PRECISION,
GEOMETRY,
GEOMETRYCOLLECTION,
LINESTRING,
LONGBLOB,
LONGTEXT,
MEDIUMBLOB,
MEDIUMINT,
MEDIUMTEXT,
MULTILINESTRING,
MULTIPOINT,
MULTIPOLYGON,
NATIONAL CHAR,
SMALLINT,
TIMESTAMP,,
TINYBLOB,
TINYTEXT,
VARBINARY,,
VARCHAR,,
VARCHARACTER,
data types,
overview,
altering,
creating,
deleting,
mysql option,
database design,
Database information
obtaining,
database metadata,
database names
case sensitivity,
case-sensitivity,
DATABASE(),
creating,
information about,
replicating,
selecting,
symbolic links,
DataJunction,
date and time functions,
Date and Time types,
date calculations,
DATE columns
problems,
DATE data type,,
date functions
Y2K compliance,
date types,
Y2K issues,
date values
problems,
DATEDIFF(),
data type,,
DATE_ADD(),
DATE_FORMAT(),
DATE_SUB(),
DAYNAME(),
DAYOFMONTH(),
DAYOFWEEK(),
DAYOFYEAR(),
DB2 SQL mode,
interface,
DBI-&quote,
DBI-&trace,
interface,
environment variable,,
environment variable,
DEALLOCATE
debug-info
DEC data type,
decimal arithmetic,
DECIMAL data type,,
decimal point,
DECODE(),
decode_bits myisamchk
variable,
constraint,
privileges,
default hostname,
default installation location,
default options,
DEFAULT value clause,
default values,,,
BLOB and TEXT columns,
implicit,
suppression,
DEFAULT(),
default-character-set
embedded,
DEGREES(),
delayed_insert_limit,
database,
foreign key,,
function,
primary key,
mysql.sock,
Delphi program,
derived tables,
DESCRIBE,,
limitations,
DES_DECRYPT(),
DES_ENCRYPT(),
developers
development source tree,
Difference(),
Dimension(),
directory structure
DISCARD TABLESPACE,,
disconnecting
from the server,
Disjoint(),
disk full,
disk issues,
splitting data across,
display size,
triggers,
display width,
displaying
information
Cardinality,
Collation,
SHOW,,,,,
table status,
Distance(),
DISTINCT,,,,
DISTINCTROW,
division (/),
DocBook XML
documentation source format,
Documenters
DOUBLE data type,
DOUBLE PRECISION data type,
double quote (\&),
downgrading,
downloading,
DROP DATABASE,
DROP FOREIGN KEY,,
DROP FUNCTION,,
DROP INDEX,,
DROP PRIMARY KEY,
DROP PROCEDURE,
DROP SCHEMA,
DROP TABLE,
DROP USER,
DROP VIEW,
DUMPFILE,
dynamic table characteristics,
Eiffel Wrapper,
email lists,
embedded MySQL
server library,
ENCODE(),
ENCRYPT(),
encryption functions,
EndPoint(),
data type,,
Envelope(),
environment variable
CFLAGS,,
CXXFLAGS,,
LD_RUN_PATH,,
MYSQL_DEBUG,
MYSQL_HISTFILE,
MYSQL_HOST,
MYSQL_PWD,,
MYSQL_TCP_PORT,,,
MYSQL_UNIX_PORT,,,
Environment variable
CXXFLAGS,
DBI_TRACE,,
DBI_USER,
LD_LIBRARY_PATH,
LD_RUN_PATH,,
MYSQL_DEBUG,,
MYSQL_HISTFILE,
MYSQL_HOST,
MYSQL_PS1,
MYSQL_PWD,
MYSQL_TCP_PORT,
MYSQL_UNIX_PORT,,
TMPDIR,,
UMASK_DIR,,
Environment variables
environment variables,,,
equal (=),
Equals(),
error messages
can't find file,
languages,
access denied,
checking tables for,
checksum,
handling for UDFs,
reporting,,,
ERROR_FOR_DIVISION_BY_ZERO
SQL mode,
escape (\\),
escape characters,
estimating
query performance,
exact-value literals,
mysqld_multi
EXAMPLE storage engine,,
EXAMPLE table type,,
compressed tables,
EXPORT_SET(),
expression aliases,,
expressions
extended,
extensions
to standard SQL,
ExteriorRing(),
EXTRACT(),
extracting
testing for,
fatal signal 11,
features of MySQL,
FEDERATED storage engine,,
FEDERATED table type,,
changing,
binary log,
config.cache,
error messages,
not found message,
permissions,
query log,
repairing,
size limits,
slow query log,
update log (obsolete),
optimization,
FIND_IN_SET(),
FIXED data type,
fixed-point arithmetic,
FLOAT data type,
floating-point number,
FOR UPDATE,
FORCE INDEX,,,
FORCE KEY,,
foreign key
constraint,
deleting,,
foreign keys,,,
FORMAT(),
FOUND_ROWS(),
FreeBSD troubleshooting,
FROM_DAYS(),
FROM_UNIXTIME(),
ft_max_word_len myisamchk
variable,
ft_min_word_len myisamchk
variable,
ft_stopword_file myisamchk
variable,
full disk,
full-text search,
FULLTEXT,
deleting,
functions,
arithmetic,
C Prepared statement API,
control flow,
date and time,
encryption,
GROUP BY,
grouping,
information,
mathematical,
miscellaneous,
string comparison,
user-defined,
user-defined,
functions for
SELECT and WHERE clauses,
Future development of
general information,
General Public License,
geographic feature,
GeomCollFromText(),
GeomCollFromWKB(),
geometry,
GEOMETRY data type,
GEOMETRYCOLLECTION
data type,
GeometryCollection(),
GeometryCollectionFromText(),
GeometryCollectionFromWKB(),
GeometryFromText(),
GeometryFromWKB(),
GeometryN(),
GeometryType(),
GeomFromText(),,
GeomFromWKB(),,
geospatial feature,
getting MySQL,
GET_FORMAT(),
GET_LOCK(),
GLength(),,
global privileges,
goals of MySQL,
General Public License,
GNU通用公共许可,
FLOSS许可例外,
GRANT statement,,
grant tables,
re-creating,
sorting,,
upgrading,
privileges,
greater than (&),
greater than or equal (&=),
GREATEST(),
GROUP BY,
aliases in,
extensions to standard SQL,,
GROUP BY functions,
expressions,
GROUP_CONCAT(),
Handlers,
hash partitioning,
hash partitions,managing,
hash partitions,splitting
and merging,
storage engine,,
HEAP table type,,
mysql option,
mysqld_multi
hexadecimal values,
HIGH_NOT_PRECEDENCE
SQL mode,
HIGH_PRIORITY,
hints,,,
history of MySQL,
HOME environment variable,,
host table,
problems finding,
hostname caching,
identifiers,
case sensitivity,
IFNULL(),
IGNORE INDEX,,
IGNORE KEY,,
ignore-space
IGNORE_SPACE
SQL mode,
implicit default values,
IMPORT TABLESPACE,,
increasing
performance,
increasing with replication
deleting,,
index hints,,
and BLOB columns,,
and IS NULL,
and LIKE,
and NULL values,
and TEXT columns,,
assigning to key cache,
block size,
leftmost prefix of,
multi-column,
multiple-part,
INET_ATON(),
INET_NTOA(),
information about partitions,obtaining,
information functions,
INFORMATION_SCHEMA,,
INNER JOIN,
Solaris 10 x86_64 issues,
storage engine,,
table type,,
INSERT,,
INSERT ... SELECT,
INSERT DELAYED,
INSERT statement
privileges,
INSERT(),
speed of,
installation layouts,
installation overview,
installing
binary distribution,
Linux RPM packages,
Mac OS X PKG packages,在
overview,
Perl on Windows,
source distribution,
user-defined functions,
data type,
integer arithmetic,
INTEGER data type,
integers,
InteriorRingN(),
internal compiler errors,
internal locking,
internals,
Internet Relay Chat,
Intersection(),
Intersects(),
INTERVAL(),
introducer
string literal,,
invalid data
constraint,
IS boolean_value,
IS NOT boolean_value,
IS NOT NULL,
IS NULL,,
and indexes,
storage engine,
table type,
IsClosed(),
IsEmpty(),
ISNULL(),
ISOLATION LEVEL,
IsRing(),
IsSimple(),
IS_FREE_LOCK(),
IS_USED_LOCK(),
assigning indexes to,
key partitioning,
key partitions,managing,
key partitions,splitting
and merging,
foreign,,
multi-column,
searching on two,
keywords,
key_buffer_size myisamchk
variable,
KEY_COLUMN_USAGE
INFORMATION_SCHEMA
known errors,
language support,
unique ID,
LAST_DAY(),
LAST_INSERT_ID(),,
LAST_INSERT_ID([expr]),
layout of installation,
LD_LIBRARY_PATH
environment variable,
LD_RUN_PATH
environment variable,,,,
LEFT JOIN,,
LEFT OUTER JOIN,
leftmost prefix of indexes,
legal names,
LENGTH(),
less than (&),
less than or equal (&=),
libmysqld,
mysqlclient,
and indexes,
and wildcards,
LIMIT,,,
limitations
Limitations,
replication,
file-size,
MySQL Limits,limits in MySQL,
linear hash partitioning,
linear key partitioning,
linefeed (\n),
LineFromText(),
LineFromWKB(),
LINESTRING
data type,
LineString(),
LineStringFromText(),
LineStringFromWKB(),
problems,
symbolic,
binary distribution,
source distribution,
list partitioning,
list partitions,adding
and dropping,
list partitions,managing,
literals,
LOAD DATA FROM MASTER,
LOAD DATA INFILE,,
LOAD TABLE FROM MASTER,
LOAD_FILE(),
local-infile
LOCALTIME,
LOCALTIMESTAMP,
LOCATE(),
LOCK IN SHARE MODE,
LOCK TABLES,
page-level,
row-level,,
table-level,
locking methods,
mysqld_multi
log files,
maintaining,
Log files,
logical operators,
LONG data type,
data type,
data type,
installation,在
mailing address
customer support,
mailing list address,
mailing lists,
archive location,
guidelines,
main features of MySQL,
maintaining
log files,
MAKEDATE(),
MAKETIME(),
make_binary_distribution,
MAKE_SET(),
available formats,
online location,
typographical conventions,
master/slave setup,
MASTER_POS_WAIT(),,
MATCH ... AGAINST(),
patterns,
mathematical
functions,
MAX(DISTINCT),
MAXDB SQL mode,
maximum memory used,
maximum tables per join,
max_allowed_packet
variable,
MAX_CONNECTIONS_PER_HOUR,
max_join_size
variable,
MAX_QUERIES_PER_HOUR,
MAX_UPDATES_PER_HOUR,
MAX_USER_CONNECTIONS,
MBRContains(),
MBRDisjoint(),
MBREqual(),
MBRIntersects(),
MBROverlaps(),
MBRTouches(),
MBRWithin(),
MEDIUMBLOB
data type,
data type,
MEDIUMTEXT
data type,
MEMORY storage engine,,
MEMORY table type,,
memory usage
myisamchk,
memory use,,
MERGE storage engine,,
MERGE table type,,
MERGE tables
languages,
database,
MICROSECOND(),
MIN(DISTINCT),
Minimum Bounding Rectangle,
unary (-),
MINUTE(),
mirror sites,
miscellaneous functions,
MIT-pthreads,
MLineFromText(),
MLineFromWKB(),
MOD (modulo),
modulo (%),
modulo (MOD),
terminal,
MONTHNAME(),
MPointFromText(),
MPointFromWKB(),
MPolyFromText(),
MPolyFromWKB(),
mSQL compatibility,
MSSQL SQL mode,
multi-byte character sets,
multi-byte characters,
multi-column indexes,
MULTILINESTRING data type,
MultiLineString(),
MultiLineStringFromText(),
MultiLineStringFromWKB(),
multiple servers,
multiple-part index,
multiplication (*),
MULTIPOINT data type,
MultiPoint(),
MultiPointFromText(),
MultiPointFromWKB(),
MULTIPOLYGON
data type,
MultiPolygon(),
MultiPolygonFromText(),
MultiPolygonFromWKB(),
derivation,
my.cnf file,
compressed tables,
key cache,
MyISAM storage engine,,
MyISAM table type,,
myisamchk,,
example output,
myisampack,,
myisam_block_size myisamchk variable,
reporting problems,
introduction,
pronunciation,
binary distribution,
MYSQL C type,
MySQL C type,
MySQL簇 in MySQL 5.0 and 5.1,
mysql command-line options,
mysql commands
MySQL Dolphin name,
MySQL history,
history file,
MySQL mailing lists,
MySQL name,
mysql prompt command,
MySQL source distribution,
mysql status command,
MySQL storage engines,
MySQL table types,
MySQL version,
mysql.server,
mysql.sock
changing location of,
protection,
MYSQL323 SQL mode,
MYSQL40 SQL mode,
mysqlaccess,
mysqladmin,,,,,,,
mysqld_multi
mysqladmin
command-line options,
mysqlbinlog,
mysqlbug,
location,
mysqlcheck,
mysqlclient
mysqld_multi
starting,
mysqld options,,
mysqld server
buffer sizes,
mysqld-max,,
mysqldump,,
mysqld_multi,
mysqld_safe,
mysqlhotcopy,
mysqlimport,,,
mysqlshow,
MySQL测试套件,
mysql_affected_rows(),
mysql_autocommit().,
MYSQL_BIND
mysql_change_user(),
mysql_character_set_name(),
mysql_close(),
mysql_commit().,
mysql_connect(),
mysql_create_db(),
mysql_data_seek(),
MYSQL_DEBUG
environment variable,,,
mysql_debug(),
mysql_drop_db(),
mysql_dump_debug_info(),
mysql_eof(),
mysql_errno(),
mysql_error(),
mysql_escape_string(),
mysql_fetch_field(),
mysql_fetch_fields(),
mysql_fetch_field_direct(),
mysql_fetch_lengths(),
mysql_fetch_row(),
MYSQL_FIELD C type,
mysql_field_count(),,
MYSQL_FIELD_OFFSET C type,
mysql_field_seek(),
mysql_field_tell(),
mysql_fix_privilege_tables,,
mysql_free_result(),
mysql_get_character_set_info(),
mysql_get_client_info(),
mysql_get_client_version(),
mysql_get_host_info(),
mysql_get_proto_info(),
mysql_get_server_info(),
mysql_get_server_version(),
mysql_hex_string(),
MYSQL_HISTFILE environment variable,,
MYSQL_HOST
environment variable,,
mysql_info(),,,,,
mysql_init(),
mysql_insert_id(),,,
mysql_install_db,
mysql_install_db script,
mysql_kill(),
mysql_library_end(),
mysql_library_init(),
mysql_list_dbs(),
mysql_list_fields(),
mysql_list_processes(),
mysql_list_tables(),
mysql_more_results().,
mysql_next_result().,
mysql_num_fields(),
mysql_num_rows(),
mysql_options(),
mysql_ping(),
MYSQL_PS1 environment variable,
MYSQL_PWD environment variable,,,
mysql_query(),,
mysql_real_connect(),
mysql_real_escape_string(),,
mysql_real_query(),
mysql_refresh(),
mysql_reload(),
MYSQL_RES C type,
mysql_rollback().,
MYSQL_ROW C type,
mysql_row_seek(),
mysql_row_tell(),
mysql_select_db(),
mysql_server_end(),
mysql_server_init(),
mysql_set_character_set(),
mysql_set_server_option(),
mysql_shutdown(),
mysql_sqlstate(),
mysql_ssl_set(),
mysql_stat(),
MYSQL_STMT C type,
mysql_stmt_affected_rows(),
mysql_stmt_attr_get(),
mysql_stmt_attr_set(),
mysql_stmt_bind_param(),
mysql_stmt_bind_result(),
mysql_stmt_close(),
mysql_stmt_data_seek(),
mysql_stmt_errno(),
mysql_stmt_error().,
mysql_stmt_execute(),
mysql_stmt_fetch(),
mysql_stmt_fetch_column(),
mysql_stmt_field_count(),
mysql_stmt_free_result(),
mysql_stmt_init(),
mysql_stmt_insert_id(),
mysql_stmt_num_rows(),
mysql_stmt_param_count(),
mysql_stmt_param_metadata(),
mysql_stmt_prepare(),
mysql_stmt_reset(),
mysql_stmt_result_metadata.,
mysql_stmt_row_seek(),
mysql_stmt_row_tell(),
mysql_stmt_send_long_data().,
mysql_stmt_sqlstate(),
mysql_stmt_store_result(),
mysql_store_result(),,
MYSQL_TCP_PORT environment variable,,,,
mysql_thread_end(),
mysql_thread_id(),
mysql_thread_init(),
mysql_thread_safe(),
MYSQL_UNIX_PORT
environment variable,,,,,
mysql_use_result(),
mysql_warning_count().,
my_init(),
my_ulonglong C type,
my_ulonglong values
printing,
named pipes,,
named-commands
case sensitivity,
variables,
NAME_CONST(),
releases of MySQL,
NATIONAL CHAR data type,
native functions
native thread support,
NATURAL LEFT JOIN,
NATURAL LEFT OUTER JOIN,
NATURAL RIGHT JOIN,
NATURAL RIGHT OUTER JOIN,
data type,
negative values,
nested queries,
net etiquette,,
netmask notation
in mysql.user
net_buffer_length
variable,
New features in
new procedures
adding,,
no matching rows,
no-auto-rehash
mysqld_multi
no-named-commands
non-delimited strings,
Non-transactional tables,
NOT BETWEEN,
not equal (!=),
not equal (&&),
NOT LIKE,
constraint,
NOT REGEXP,
Novell NetWare,
NO_AUTO_CREATE_USER
SQL mode,
NO_AUTO_VALUE_ON_ZERO
SQL mode,
NO_BACKSLASH_ESCAPES
SQL mode,
NO_DIR_IN_CREATE
SQL mode,
NO_FIELD_OPTIONS
SQL mode,
NO_KEY_OPTIONS
SQL mode,
NO_TABLE_OPTIONS SQL mode,
NO_UNSIGNED_SUBTRACTION SQL mode,
NO_ZERO_DATE SQL mode,
NO_ZERO_IN_DATE SQL mode,
testing for null,,
NULL value,,
NULL values
and AUTO_INCREMENT columns,
and indexes,
and TIMESTAMP columns,
vs. empty values,
NULLIF(),
NUMERIC data type,
numeric types,
NumGeometries(),
NumInteriorRings(),
NumPoints(),
OCTET_LENGTH(),
ODBC compatibility,,,,,
OLD_PASSWORD(),
ON DUPLICATE KEY,
one-database
online location of manual,
ONLY_FULL_GROUP_BY
SQL mode,
Open Source
open tables,,
OpenSSL,,
open_files_limit
variable,
operating systems
file-size limits,
supported,
Windows versus Unix,
operations
arithmetic,
operators,
optimization
optimizations,,
OPTIMIZE TABLE,
controlling,
optimizing
DISTINCT,
filesort,
GROUP BY,
LEFT JOIN,
option files,,
command-line,
mysqladmin,
configure,
embedded server,
libmysqld,
myisamchk,
provided by MySQL,
replication,
索引 Merge optimization,
Oracle compatibility,,,
ORACLE SQL mode,
ORDER BY,,,
aliases in,
Overlaps(),
overview,
page-level locking,
parameters
parentheses ( and ),
PARTITION,
management,
partitioning,
partitioning
partitioning by key,
partitioning by linear hash,
partitioning by linear key,
partitioning by list,
partitioning by range,
partitioning concepts,
partitioning information commands,
partitioning support,
partitioning types,
partitioning,advantages,
partitioning,enabling,
partitions,adding
and dropping,
partitions,analyzing,
partitions,checking,
partitions,managing,
partitions,modifying,
partitions,optimizing,
partitions,repairing,
partitions,splitting
and merging,
mysqld_multi
root user,
password encryption
reversibility of,
PASSWORD(),,,,
for users,
forgotten,
resetting,
security,
setting,,,
PATH environment variable,,,
pattern matching,
performance
benchmarks,
disk issues,
estimating,
improving,,
PERIOD_ADD(),
PERIOD_DIFF(),
installing,
installing on Windows,
Perl API,
Perl DBI/DBD
installation problems,
permission checks
effect on speed,
PIPES_AS_CONCAT
SQL mode,
POINT data type,
point in time recovery,
PointFromText(),
PointFromWKB(),
PointN(),
PointOnSurface(),
PolyFromText(),
PolyFromWKB(),
POLYGON data type,
Polygon(),
PolygonFromText(),
PolygonFromWKB(),
portability,
to other systems,
POSITION(),
post-install
multiple servers,
post-installation
setup and testing,
PostgreSQL
compatibility,
POSTGRESQL
SQL mode,
arithmetic,
precision math,
transactions,
PRIMARY KEY,,
constraint,
primary key
deleting,
privilege information
location,
privilege system,
described,
privileges
deleting,,
dropping,,
granting,
revoking,
access denied errors,
common errors,
compiling,
DATE columns,
date values,
installing on IBM-AIX,
installing on Solaris,
installing Perl,
reporting,
starting the server,
table locking,
time zone,
PROCEDURE,
procedures
stored,,
process support,
processing
arguments,
PROCESSLIST,
program variables
crash-me,
meanings,
pronunciation
PURGE MASTER LOGS,
Python API,
QUARTER(),
entering,
estimating performance,
examples,
speed of,
Twin Studies project,
Query Cache,
query log,
questions,
answering,
in strings,
quoting binary data,
quoting of identifiers,
RADIANS(),
range partitioning,
range partitions,adding
and dropping,
range partitions,managing,
re-creating
grant tables,
read_buffer_size myisamchk
variable,
REAL data type,
REAL_AS_FLOAT
SQL mode,
reconfiguring,
transactions,
from crash,
point in time,
data size,
references,
ref_or_null,
regular expression syntax
described,
Related(),
relational databases
release numbers,
RELEASE SAVEPOINT,
naming scheme,
updating,
RELEASE_LOCK(),
RENAME TABLE,
RENAME USER,
renaming user accounts,
reordering
repair options
myisamchk,
REPAIR TABLE,
REPEAT(),
REPLACE ... SELECT,
REPLACE(),
replication,
replication limitations,
replication masters
commands,
replication options,
replication slaves
commands,
Connector/ODBC problems,
errors,,
problems,
REQUIRE GRANT option,,
reserved words
exceptions,
RESET MASTER,
RESET SLAVE,
restarting
the server,
RESTORE TABLE,
restrictions
server-side
stored routines,
subqueries,
triggers,
retrieving
data from tables,
return (\r),
return values
REVERSE(),
privileges,
RIGHT JOIN,
OUTER JOIN,
ROLLBACK,,
XA transactions,
ROLLBACK TO SAVEPOINT,
root password,
password resetting,
rounding,
INFORMATION_SCHEMA
row-level locking,
counting,
deleting,
matching problems,
selecting,
ROW_COUNT(),
RPM file,
RPM Package Manager,
RTS-threads,
ANSI mode,
batch mode,
multiple servers,
running configure after prior invocation,
safe-updates
safe-updates option,
SAVEPOINT,
arithmetic,
altering,
creating,
deleting,
SCHEMA(),
INFORMATION_SCHEMA
SCHEMA_PRIVILEGES
INFORMATION_SCHEMA
script files,
mysqlbug,
mysql_install_db,
and case sensitivity,
full-text,
Web pages,
two keys,
SECOND(),
secure-auth
against attackers,
security system,
SEC_TO_TIME(),
optimizing,
Query Cache,
SELECT INTO,
SELECT INTO TABLE,
SELECT speed,
databases,
select_limit
variable,
SEQUENCE,
sequence emulation,
sequences,
connecting,,
debugging,
disconnecting,
shutdown,
starting,
starting and stopping,
starting problems,
server variables,,,
server-side cursor restrictions,
multiple,
SESSION_USER(),
SET data type,,
SET GLOBAL SQL_SLAVE_SKIP_COUNTER,
SET OPTION,
SET PASSWORD,
SET PASSWORD statement,
SET SQL_LOG_BIN,
SET TRANSACTION,
passwords,
setting passwords,
setting program variables,
post-installation,
shell syntax,
SHOW BINARY LOGS,
SHOW BINLOG EVENTS,,
SHOW CHARACTER SET,
SHOW COLLATION,
SHOW COLUMNS,,
SHOW CREATE DATABASE,,
SHOW CREATE FUNCTION,
SHOW CREATE
PROCEDURE,
SHOW CREATE
SCHEMA,,
SHOW CREATE TABLE,,
SHOW CREATE VIEW,
SHOW DATABASES,,
SHOW ENGINE,,
SHOW ENGINES,,
SHOW ERRORS,,
SHOW extensions,
SHOW FIELDS,
FUNCTION STATUS,
SHOW GRANTS,,
SHOW INDEX,,
SHOW INNODB STATUS,
SHOW KEYS,,
SHOW MASTER LOGS,,
SHOW MASTER STATUS,,
SHOW OPEN TABLES,,
SHOW PRIVILEGES,,
SHOW PROCEDURE STATUS,
SHOW PROCESSLIST,,
SHOW SCHEMAS,,
SHOW SLAVE HOSTS,,
SHOW SLAVE STATUS,,
SHOW STATUS,
SHOW STORAGE ENGINES,
SHOW TABLE STATUS,
SHOW TABLE TYPES,,
SHOW TABLES,,
SHOW TRIGGERS,,
SHOW VARIABLES,
SHOW WARNINGS,,
SHOW with WHERE,,
show-warnings
shutdown_timeout
variable,
shutting down
the server,
sigint-ignore
mysqld_multi
silent column changes,
single quote (\'),
size of tables,
skip-column-names
skip-line-numbers
slow queries,
slow query log,
data type,
socket location
changing,
Solaris installation problems,
Solaris troubleshooting,
Solaris x86_64 issues,
character sets,
tables,,
table rows,
sort_buffer_size myisamchk
variable,
sort_key_blocks myisamchk
variable,
SOUNDEX(),
SOUNDS LIKE,
source distribution
installing,
source distributions
on Linux,
MySQL中的空间扩展,
compiling,
increasing with replication,
inserting,
of queries,,
SQL commands
replication masters,
replication slaves,
extensions to,
SQL_BIG_RESULT,
SQL_BUFFER_RESULT,
SQL_CACHE,,
SQL_CALC_FOUND_ROWS,
SQL_NO_CACHE,,
SQL_SMALL_RESULT,
sql_yacc.cc
problems,
square brackets,
and X509 Basics,
command-line options,
related options,,
stability,
standard SQL
extensions to,
Standard SQL
differences from,
standards compatibility,
transactions,
START SLAVE,
START TRANSACTION,
comments,
the server,
the server automatically,
Starting many servers,
StartPoint(),
startup options
startup parameters,
mysqladmin,
statements
statically
compiling,
STATISTICS
INFORMATION_SCHEMA
stats_method myisamchk
variable,
status command
status variables,,
STDDEV(),
STDDEV_POP(),
STDDEV_SAMP(),
STOP SLAVE,
the server,
stopword list
user-defined,
storage engine
storage engines
choosing,
storage of data,
storage requirements
column type,
storage space
minimising,
stored procedures,
stored procedures and triggers
stored routine restrictions,
STRAIGHT_JOIN,,
STRCMP(),
STRICT SQL mode,
STRICT_ALL_TABLES
SQL mode,
STRICT_TRANS_TABLES
SQL mode,
string collating,
string comparison functions,
string comparisons
case sensitivity,
string functions,
string literal introducer,,
string types,
escaping characters,
non-delimited,
STR_TO_DATE(),
SUBDATE(),
subpartitioning,
subpartitions,
subqueries,
subquery,
restrictions,
subselects,
SUBSTR(),
SUBSTRING(),
SUBSTRING_INDEX(),
SUBTIME(),
subtraction (-),
SUM(DISTINCT),
superuser,
for operating systems,
mailing address,
suppression
default values,
Sybase compatibility,
symbolic links,,
SymDifference(),
regular expression,
SYSDATE(),
privilege,
security,
system optimization,
system table,
system variables,,,
SYSTEM_USER(),
tab (\t),
changing,,
deleting,
mysql option,
table aliases,
table cache,
table is full,,
table names
case sensitivity,
case-sensitivity,
Table scans
avoiding,
table types
choosing,
table-level locking,
Berkeley DB,
BLACKHOLE,
changing column order,
checking,
compressed format,
constant,,
counting rows,
creating,
defragment,,
defragmenting,
deleting rows,
displaying status,
error checking,
FEDERATED,
fragmentation,
improving performance,
information,
information about,
loading data,
maintenance regimen,
maximum size,
multiple,
optimizing,
partitioning,
repairing,
retrieving data,
selecting columns,
selecting rows,
sorting rows,
symbolic links,
too many,
unique ID for last row,
updating,
INFORMATION_SCHEMA
table_cache,
TABLE_PRIVILEGES
INFORMATION_SCHEMA
problems on Solaris,
mysqld_multi
TCP/IP,,
technical support
mailing address,
temporary file
write access,
temporary tables
problems,
terminal monitor
connection to the server,
installation,
releases,
post-installation,
testing mysqld
mysqltest,
TEXT columns
default values,
indexing,,
TEXT data type,,
thread packages
differences between,
thread support,
non-native,
threaded clients,
threads,,,
TIME data type,,
time types,
time zone problems,
TIMEDIFF(),
timeout,,,
connect_timeout variable,,
shutdown_timeout
variable,
and NULL values,
TIMESTAMP data type,,
TIMESTAMP(),
TIMESTAMPADD(),
TIMESTAMPDIFF(),
TIME_FORMAT(),
TIME_TO_SEC(),
TINYBLOB data type,
TINYINT data type,
TINYTEXT data type,
optimization,
environment variable,,
embedded server,
symlinks,
Touches(),
TO_DAYS(),
trace DBI method,
TRADITIONAL SQL mode,
transaction-safe tables,,
transactions
support,,
Translators
trigger restrictions,
triggers,,,
INFORMATION_SCHEMA
troubleshooting
testing for,
TRUNCATE,
TRUNCATE(),
tutorial,
Twin Studies
type conversions,
columns,,
Date and Time,
of tables,
portability,
typographical conventions,
environment variable,,
compiling,
return values,
environment variable,,
environment variable,,
unary minus (-),
unbuffered
UNCOMPRESS(),
UNCOMPRESSED_LENGTH(),
Unicode Collation
Algorithm,
constraint,
unique ID,
UNIX_TIMESTAMP(),
testing for,
UNLOCK TABLES,
unnamed views,
releases of MySQL,
upgrading,
different architecture,
grant tables,
URLs for downloading MySQL,
USE INDEX,,
USE KEY,,
mysqld_multi
user accounts
creating,
renaming,
USER environment variable,,
user privileges
deleting,,
dropping,,
user table
user variables,
user-defined functions
adding,,
User-defined functions,
passwords,
adding,,
deleting,,
USER_PRIVILEGES
INFORMATION_SCHEMA
of MySQL,
using multiple disks to start data,
UTC_DATE(),
UTC_TIME(),
UTC_TIMESTAMP(),
valid numbers
examples,
VALUES(),
data type,,
VARCHAR data type,,
VARCHARACTER data type,
server,,
status,,
system,,
VARIANCE(),
VAR_POP(),
VAR_SAMP(),
mysql option,
mysqld_multi option,
choosing,
mysql option,
mysqld_multi option,
VERSION(),
view restrictions,
views,,,
updatable,,
INFORMATION_SCHEMA
virtual memory
problems while compiling,
Visual Basic,
mysql option,
WEEKDAY(),
WEEKOFYEAR(),
Well-Known Binary format,
Well-Known Text format,
What is an X509/Certificate?,
What is encryption,
with SHOW,,
Wildcard character (%),
Wildcard character (_),
and LIKE,
in mysql.columns_priv table,
in mysql.db table,
in mysql.host table,
in mysql.tables_priv table,
in mysql.user table,
compiling on,
open issues,
upgrading,
versus Unix,
with-big-tables option,
Within(),
without-server option,
Word program,
write access
write_buffer_size myisamchk
variable,
XA BEGIN,
ROLLBACK,
transactions,
transaction identifiers,
transaction identifier,
Year 2000 compliance,
Year 2000 issues,
YEAR data type,,
YEARWEEK(),
这是MySQL参考手册的翻译版本,关于MySQL参考手册,请访问。
原始参考手册为英文版,与英文版参考手册相比,本翻译版可能不是最新的。

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