資料庫關鍵字

ahesihua發表於2011-11-24
原文網址 : https://blog.csdn.net/ahesihua/article/details/84088224
資料庫
在資料庫中同樣有很多欄位是用來保留的。
如果在建表時用到了這些資料庫，則在使用的時候要注意：
不同的資料庫是用不同的符號分隔關鍵字的
SQL Server是用雙引號 (") 或者方括號 ([ ])
Oracle是用雙引號
MySQL是用就是用(`)。注意，這裡用的是tab鍵上面的一個鍵，而不是單引號。在這裡感謝下我的同事。呵呵
下面將Mysql的一列關鍵字列出如下：
Mysql 關鍵字-保留字

 

ADD ALL ALTER
ANALYZE AND AS
ASC ASENSITIVE BEFORE
BETWEEN BIGINT BINARY
BLOB BOTH BY
CALL CASCADE CASE
CHANGE CHAR CHARACTER
CHECK COLLATE COLUMN
CONDITION CONNECTION CONSTRAINT
CONTINUE CONVERT CREATE
CROSS CURRENT_DATE CURRENT_TIME
CURRENT_TIMESTAMP CURRENT_USER CURSOR
DATABASE DATABASES DAY_HOUR
DAY_MICROSECOND DAY_MINUTE DAY_SECOND
DEC DECIMAL DECLARE
DEFAULT DELAYED DELETE
DESC DESCRIBE DETERMINISTIC
DISTINCT DISTINCTROW DIV
DOUBLE DROP DUAL
EACH ELSE ELSEIF
ENCLOSED ESCAPED EXISTS
EXIT EXPLAIN FALSE
FETCH FLOAT FLOAT4
FLOAT8 FOR FORCE
FOREIGN FROM FULLTEXT
GOTO GRANT GROUP
HAVING HIGH_PRIORITY HOUR_MICROSECOND
HOUR_MINUTE HOUR_SECOND IF
IGNORE IN INDEX
INFILE INNER INOUT
INSENSITIVE INSERT INT
INT1 INT2 INT3
INT4 INT8 INTEGER
INTERVAL INTO IS
ITERATE JOIN KEY
KEYS KILL LABEL
LEADING LEAVE LEFT
LIKE LIMIT LINEAR
LINES LOAD LOCALTIME
LOCALTIMESTAMP LOCK LONG
LONGBLOB LONGTEXT LOOP
LOW_PRIORITY MATCH MEDIUMBLOB
MEDIUMINT MEDIUMTEXT MIDDLEINT
MINUTE_MICROSECOND MINUTE_SECOND MOD
MODIFIES NATURAL NOT
NO_WRITE_TO_BINLOG NULL NUMERIC
ON OPTIMIZE OPTION
OPTIONALLY OR ORDER
OUT OUTER OUTFILE
PRECISION PRIMARY PROCEDURE
PURGE RAID0 RANGE
READ READS REAL
REFERENCES REGEXP RELEASE
RENAME REPEAT REPLACE
REQUIRE RESTRICT RETURN
REVOKE RIGHT RLIKE
SCHEMA SCHEMAS SECOND_MICROSECOND
SELECT SENSITIVE SEPARATOR
SET SHOW SMALLINT
SPATIAL SPECIFIC SQL
SQLEXCEPTION SQLSTATE SQLWARNING
SQL_BIG_RESULT SQL_CALC_FOUND_ROWS SQL_SMALL_RESULT
SSL STARTING STRAIGHT_JOIN
TABLE TERMINATED THEN
TINYBLOB TINYINT TINYTEXT
TO TRAILING TRIGGER
TRUE UNDO UNION
UNIQUE UNLOCK UNSIGNED
UPDATE USAGE USE
USING UTC_DATE UTC_TIME
UTC_TIMESTAMP VALUES VARBINARY
VARCHAR VARCHARACTER VARYING
WHEN WHERE WHILE
WITH WRITE X509
XOR YEAR_MONTH ZEROFILL

MySQL允許部分關鍵字用做未引起來的識別符，因為許多人以前曾使用過它們。下面列出了一些例子：

  • ACTION

  • BIT

  • DATE

  • ENUM

  • NO

  • TEXT

  • TIME

  • TIMESTAMP

 

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