PL/SQL Reference
27-Feb-13
Trigger syntax
create [or replace] trigger [schema .] trigger_identifier
{ before | after | instead of }
{ dml_event_clause
| { ddl_event [or ddl_event]...
| database_event [or database_event]...
}
on { [schema .] schema | database }
}
[when ( condition ) ]
{ pl/sql_block | call_procedure_statement }
Update syntax
UPDATE table_name
SET column1=value, column2=value2,...
WHERE some_column=some_value
posted on 2013-02-28 12:03 operation_master 阅读(194) 评论(0) 编辑 收藏 举报