SQL_MODE中开启了严格模式,即SQL_MODE参数中包含STRICT_TRANS_TABLES参数 ## 设置会话模式下sql_mode中包含strict_trans_tables变量 mysql> set session sql_mode="STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"; Query OK, 0 ro...
ERROR 1264 (22003): Out of range value for column ‘id‘ at row 1 mysql> select * from test3; +---+ | id | +---+ | -32768 | | 32767 | +---+ 2 rows in set (0.00 sec) SQL_MODE未开启严格模式,即SQL_MODE参数中不包含STRICT_TRANS_TABLES变量 -- 设置会话模式下sql_mode中不开...
| Warning | 1264 | Out of range value for column 'no' at row 1 | +---+---+---+ 2 rows in set (0.00 sec) 这里在插入数据时会报出警告,是因为SQL_MODE的关系。MYSQL这里默认设置为空, 允许超出范围的数据插入, 只给出一个警告。 可以查询下这个表: dba@localhost : test 22:37:39> ...
Theintdata type is the primary integer data type in SQL Server. Thebigintdata type is intended for use when integer values might exceed the range that is supported by theintdata type. bigintfits betweensmallmoneyandintin the data type precedence chart. ...
The bigint data type is intended for use when integer values might exceed the range that is supported by the int data type.bigint fits between smallmoney and int in the data type precedence chart.Functions return bigint only if the parameter expression is a bigint data type. SQL Server ...
只是IN比FIND_IN_SET性能高。我们要查询的字段是主键,使用IN时会使用索引,只会查询表中部分数据。FIND_IN_SET则会查询表中全部数据,由于数据量比较大,性能肯定不高,所以替换为IN。想看查询部分还是全部,可以使用EXPLAIN即解释功能查看,如果是部分则type为range(范围),全部则type为ALL(全部),还有个type是const,...
Here are the sizes and ranges of values for SQL Server，其他RDBMS也有类似的文档：...
The bigint data type is intended for use when integer values might exceed the range that is supported by the int data type. bigint fits between smallmoney and int in the data type precedence chart. Functions return bigint only if the parameter expression is a bigint data type. SQL Server...
RangeSigned: -32768 to 32767, Unsigned: 0 to 65535 Storage Size2 bytes SynonymsINT2 StandardsSMALLINT - ANSI SQL, SMALLINT UNSIGNED - MySQL Extension MySQL SMALLINT - Equivalents in Other Databases DatabaseData Type and Conversion OracleNUMBER(5,0), -105-1 to 105-1 ...
If the whole part of the argument is not within the range of small integers, an error is returned (SQLSTATE 22003). String to SMALLINT string-expression An expression that returns a value that is a character-string or Unicode graphic-string representation of a number with a length not ...