《SQL注入攻击与防御》
作者:anotherbug 日期:2009-10-26
Sequoia中不同DB的connectionTestStatement SQL
作者:anotherbug 日期:2007-11-28
Specify a value for the connectionTestStatement attribute. This SQL
statement is used by the controller after a failed request execution to check if the
connection is still valid. The connection test statement should not update the
database because if the connection is still valid, the database s...
statement is used by the controller after a failed request execution to check if the
connection is still valid. The connection test statement should not update the
database because if the connection is still valid, the database s...
标签: mysql SQL Sqlserver oracle sequoia postgresql Derby HSQL MaxDB Firebird InstantDB Interbase
SQL SERVER字段类型说明
作者:anotherbug 日期:2006-10-31
以下为SQL SERVER7.0以上版本的字段类型说明。SQL SERVER6.5的字段类型说明请参考SQL SERVER提供的说明。
[code]
bit:0或1的整型数字
int:从-2^31(-2,147,483,648)到2^31(2,147,483,647)的整型数字
smallint:从-2^15(-32,768)到2^15(32,767)的整型数字
tinyint:从0到255的整型数字
decimal:从-10^38到10^38-1的定精度与有效位数的数字
numeric:decimal的同义词
money:从-2^63(-922,337,2...
[code]
bit:0或1的整型数字
int:从-2^31(-2,147,483,648)到2^31(2,147,483,647)的整型数字
smallint:从-2^15(-32,768)到2^15(32,767)的整型数字
tinyint:从0到255的整型数字
decimal:从-10^38到10^38-1的定精度与有效位数的数字
numeric:decimal的同义词
money:从-2^63(-922,337,2...






