摘要:
官方文档内容: Note: This procedure is deprecated in Oracle Database 12c. While the procedure remains available in the package for reasons of backward compat 阅读全文
摘要:
--定义变量SQL> var a number;--给绑定变量赋值SQL> exec :a :=123;PL/SQL procedure successfully completed.--使用该绑定变量SQL> select * from test where n1= :a; N1--------- 阅读全文