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  • SQL Server 保留关键字

    Microsoft SQL Server 2005 使用保留关键字来定义、操作或访问数据库。保留关键字是 SQL Server 使用的 Transact-SQL 语言语法的一部分,用于分析和理解 Transact-SQL 语句和批处理。尽管在 Transact-SQL 脚本中使用 SQL Server 保留关键字作为标识符和对象名在语法上是可行的,但规定只能使用分隔标识符。

    下表列出了 SQL Server 保留关键字。

     

    ADD

    EXCEPT

    PERCENT

    ALL

    EXEC

    PLAN

    ALTER

    EXECUTE

    PRECISION

    AND

    EXISTS

    PRIMARY

    ANY

    EXIT

    PRINT

    AS

    FETCH

    PROC

    ASC

    FILE

    PROCEDURE

    AUTHORIZATION

    FILLFACTOR

    PUBLIC

    BACKUP

    FOR

    RAISERROR

    BEGIN

    FOREIGN

    READ

    BETWEEN

    FREETEXT

    READTEXT

    BREAK

    FREETEXTTABLE

    RECONFIGURE

    BROWSE

    FROM

    REFERENCES

    BULK

    FULL

    REPLICATION

    BY

    FUNCTION

    RESTORE

    CASCADE

    GOTO

    RESTRICT

    CASE

    GRANT

    RETURN

    CHECK

    GROUP

    REVOKE

    CHECKPOINT

    HAVING

    RIGHT

    CLOSE

    HOLDLOCK

    ROLLBACK

    CLUSTERED

    IDENTITY

    ROWCOUNT

    COALESCE

    IDENTITY_INSERT

    ROWGUIDCOL

    COLLATE

    IDENTITYCOL

    RULE

    COLUMN

    IF

    SAVE

    COMMIT

    IN

    SCHEMA

    COMPUTE

    INDEX

    SELECT

    CONSTRAINT

    INNER

    SESSION_USER

    CONTAINS

    INSERT

    SET

    CONTAINSTABLE

    INTERSECT

    SETUSER

    CONTINUE

    INTO

    SHUTDOWN

    CONVERT

    IS

    SOME

    CREATE

    JOIN

    STATISTICS

    CROSS

    KEY

    SYSTEM_USER

    CURRENT

    KILL

    TABLE

    CURRENT_DATE

    LEFT

    TEXTSIZE

    CURRENT_TIME

    LIKE

    THEN

    CURRENT_TIMESTAMP

    LINENO

    TO

    CURRENT_USER

    LOAD

    TOP

    CURSOR

    NATIONAL

    TRAN

    DATABASE

    NOCHECK

    TRANSACTION

    DBCC

    NONCLUSTERED

    TRIGGER

    DEALLOCATE

    NOT

    TRUNCATE

    DECLARE

    NULL

    TSEQUAL

    DEFAULT

    NULLIF

    UNION

    DELETE

    OF

    UNIQUE

    DENY

    OFF

    UPDATE

    DESC

    OFFSETS

    UPDATETEXT

    DISK

    ON

    USE

    DISTINCT

    OPEN

    USER

    DISTRIBUTED

    OPENDATASOURCE

    VALUES

    DOUBLE

    OPENQUERY

    VARYING

    DROP

    OPENROWSET

    VIEW

    DUMMY

    OPENXML

    WAITFOR

    DUMP

    OPTION

    WHEN

    ELSE

    OR

    WHERE

    END

    ORDER

    WHILE

    ERRLVL

    OUTER

    WITH

    ESCAPE

    OVER

    WRITETEXT

    另外,SQL-2003 标准还定义了保留关键字列表。不要使用 SQL-2003 保留关键字作为对象名和标识符。ODBC 保留关键字列表(如下表所示)与 SQL-2003 保留关键字列表相同。

     

    注意:

    SQL-2003 保留关键字列表有时可能比 SQL Server 限制更多,有时则限制更少。例如,SQL-2003 保留关键字列表包含 INT,而 SQL Server 不需要将其区分为保留关键字。

    Transact-SQL 保留关键字可用作数据库或数据库对象(如表、列、视图等)的标识符或名称。使用带引号的标识符或分隔标识符。不限制将保留关键字用作变量和存储过程参数的名称。有关详细信息,请参阅使用标识符作为对象名称。

    ODBC 保留关键字

    保留了下列关键字以用于 ODBC 函数调用。这些关键字根本不约束 SQL 语法;然而,为确保与支持核心 SQL 语法的驱动程序兼容,应用程序应避免使用这些关键字。

    下面是当前的 ODBC 保留关键字列表。

     

    ABSOLUTE

    EXEC

    OVERLAPS

    ACTION

    EXECUTE

    PAD

    ADA

    EXISTS

    PARTIAL

    ADD

    EXTERNAL

    PASCAL

    ALL

    EXTRACT

    POSITION

    ALLOCATE

    FALSE

    PRECISION

    ALTER

    FETCH

    PREPARE

    AND

    FIRST

    PRESERVE

    ANY

    FLOAT

    PRIMARY

    ARE

    FOR

    PRIOR

    AS

    FOREIGN

    PRIVILEGES

    ASC

    FORTRAN

    PROCEDURE

    ASSERTION

    FOUND

    PUBLIC

    AT

    FROM

    READ

    AUTHORIZATION

    FULL

    REAL

    AVG

    GET

    REFERENCES

    BEGIN

    GLOBAL

    RELATIVE

    BETWEEN

    GO

    RESTRICT

    BIT

    GOTO

    REVOKE

    BIT_LENGTH

    GRANT

    RIGHT

    BOTH

    GROUP

    ROLLBACK

    BY

    HAVING

    ROWS

    CASCADE

    HOUR

    SCHEMA

    CASCADED

    IDENTITY

    SCROLL

    CASE

    IMMEDIATE

    SECOND

    CAST

    IN

    SECTION

    CATALOG

    INCLUDE

    SELECT

    CHAR

    INDEX

    SESSION

    CHAR_LENGTH

    INDICATOR

    SESSION_USER

    CHARACTER

    INITIALLY

    SET

    CHARACTER_LENGTH

    INNER

    SIZE

    CHECK

    INPUT

    SMALLINT

    CLOSE

    INSENSITIVE

    SOME

    COALESCE

    INSERT

    SPACE

    COLLATE

    INT

    SQL

    COLLATION

    INTEGER

    SQLCA

    COLUMN

    INTERSECT

    SQLCODE

    COMMIT

    INTERVAL

    SQLERROR

    CONNECT

    INTO

    SQLSTATE

    CONNECTION

    IS

    SQLWARNING

    CONSTRAINT

    ISOLATION

    SUBSTRING

    CONSTRAINTS

    JOIN

    SUM

    CONTINUE

    KEY

    SYSTEM_USER

    CONVERT

    LANGUAGE

    TABLE

    CORRESPONDING

    LAST

    TEMPORARY

    COUNT

    LEADING

    THEN

    CREATE

    LEFT

    TIME

    CROSS

    LEVEL

    TIMESTAMP

    CURRENT

    LIKE

    TIMEZONE_HOUR

    CURRENT_DATE

    LOCAL

    TIMEZONE_MINUTE

    CURRENT_TIME

    LOWER

    TO

    CURRENT_TIMESTAMP

    MATCH

    TRAILING

    CURRENT_USER

    MAX

    TRANSACTION

    CURSOR

    MIN

    TRANSLATE

    DATE

    MINUTE

    TRANSLATION

    DAY

    MODULE

    TRIM

    DEALLOCATE

    MONTH

    TRUE

    DEC

    NAMES

    UNION

    DECIMAL

    NATIONAL

    UNIQUE

    DECLARE

    NATURAL

    UNKNOWN

    DEFAULT

    NCHAR

    UPDATE

    DEFERRABLE

    NEXT

    UPPER

    DEFERRED

    NO

    USAGE

    DELETE

    NONE

    USER

    DESC

    NOT

    USING

    DESCRIBE

    NULL

    VALUE

    DESCRIPTOR

    NULLIF

    VALUES

    DIAGNOSTICS

    NUMERIC

    VARCHAR

    DISCONNECT

    OCTET_LENGTH

    VARYING

    DISTINCT

    OF

    VIEW

    DOMAIN

    ON

    WHEN

    DOUBLE

    ONLY

    WHENEVER

    DROP

    OPEN

    WHERE

    ELSE

    OPTION

    WITH

    END

    OR

    WORK

    END-EXEC

    ORDER

    WRITE

    ESCAPE

    OUTER

    YEAR

    EXCEPT

    OUTPUT

    ZONE

    EXCEPTION

     

     

    将来的关键字

    下列关键字可能会在将来的 SQL Server 版本中保留使用,作为将来要实现的新功能。注意,不要使用这些关键字作为标识符。

     

    ABSOLUTE

    FOUND

    PREPARE

    ACTION

    FREE

    PRESERVE

    ADMIN

    FULLTEXTTABLE

    PRIOR

    AFTER

    GENERAL

    PRIVILEGES

    AGGREGATE

    GET

    READS

    ALIAS

    GLOBAL

    REAL

    ALLOCATE

    GO

    RECURSIVE

    ARE

    GROUPING

    REF

    ARRAY

    HOST

    REFERENCING

    ASSERTION

    HOUR

    RELATIVE

    AT

    IGNORE

    RESULT

    BEFORE

    IMMEDIATE

    RETURNS

    BINARY

    INDICATOR

    ROLE

    BIT

    INITIALIZE

    ROLLUP

    BLOB

    INITIALLY

    ROUTINE

    BOOLEAN

    INOUT

    ROW

    BOTH

    INPUT

    ROWS

    BREADTH

    INT

    SAVEPOINT

    CALL

    INTEGER

    SCROLL

    CASCADED

    INTERVAL

    SCOPE

    CAST

    ISOLATION

    SEARCH

    CATALOG

    ITERATE

    SECOND

    CHAR

    LANGUAGE

    SECTION

    CHARACTER

    LARGE

    SEQUENCE

    CLASS

    LAST

    SESSION

    CLOB

    LATERAL

    SETS

    COLLATION

    LEADING

    SIZE

    COMPLETION

    LESS

    SMALLINT

    CONNECT

    LEVEL

    SPACE

    CONNECTION

    LIMIT

    SPECIFIC

    CONSTRAINTS

    LOCAL

    SPECIFICTYPE

    CONSTRUCTOR

    LOCALTIME

    SQL

    CORRESPONDING

    LOCALTIMESTAMP

    SQLEXCEPTION

    CUBE

    LOCATOR

    SQLSTATE

    CURRENT_PATH

    MAP

    SQLWARNING

    CURRENT_ROLE

    MATCH

    START

    CYCLE

    MINUTE

    STATE

    DATA

    MODIFIES

    STATEMENT

    DATE

    MODIFY

    STATIC

    DAY

    MODULE

    STRUCTURE

    DEC

    MONTH

    TEMPORARY

    DECIMAL

    NAMES

    TERMINATE

    DEFERRABLE

    NATURAL

    THAN

    DEFERRED

    NCHAR

    TIME

    DEPTH

    NCLOB

    TIMESTAMP

    DEREF

    NEW

    TIMEZONE_HOUR

    DESCRIBE

    NEXT

    TIMEZONE_MINUTE

    DESCRIPTOR

    NO

    TRAILING

    DESTROY

    NONE

    TRANSLATION

    DESTRUCTOR

    NUMERIC

    TREAT

    DETERMINISTIC

    OBJECT

    TRUE

    DICTIONARY

    OLD

    UNDER

    DIAGNOSTICS

    ONLY

    UNKNOWN

    DISCONNECT

    OPERATION

    UNNEST

    DOMAIN

    ORDINALITY

    USAGE

    DYNAMIC

    OUT

    USING

    EACH

    OUTPUT

    VALUE

    END-EXEC

    PAD

    VARCHAR

    EQUALS

    PARAMETER

    VARIABLE

    EVERY

    PARAMETERS

    WHENEVER

    EXCEPTION

    PARTIAL

    WITHOUT

    EXTERNAL

    PATH

    WORK

    FALSE

    POSTFIX

    WRITE

    FIRST

    PREFIX

    YEAR

    FLOAT

    PREORDER

    ZONE

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  • 原文地址:https://www.cnblogs.com/BrokenIce/p/5661242.html
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