摘要:
declare: CURSOR cursor_name ISselect_statement ;open: OPEN cursor_nameif the query returns no rows when the cursor is opened , PL/SQL does not raise a... 阅读全文
摘要:
PL/SQL 基础 ( 下 )1. PL/SQL中的 SQL语句- END语句与COMMIT等内容,没有任何关系。- PL/SQL does not directly support data definition language( DDL ) statements, such as CREATE... 阅读全文