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db2_special_columns (no version information, might be only in CVS) db2_special_columns --
Returns a result set listing the unique row identifier columns for a table
说明resource db2_special_columns ( resource connection, string qualifier, string schema, string table_name, int scope ) | 警告 | 本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随
PHP 以后的发布而改变。使用本函数风险自担。 |
Returns a result set listing the unique row identifier columns for a table.
参数
- connection
A valid connection to an IBM DB2, Cloudscape, or Apache Derby database.
- qualifier
A qualifier for DB2 databases running on OS/390 or z/OS servers. For
other databases, pass NULL or an empty string.
- schema
The schema which contains the tables.
- table_name
The name of the table.
- scope
Integer value representing the minimum duration for which the
unique row identifier is valid. This can be one of the following
values:
返回值
Returns a statement resource with a result set containing rows with unique
row identifier information for a table. The rows are composed of the
following columns:
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db2_rollback