没有人给他写信的上校

```sql SELECT TRIGGER_NAME, TRIGGERING_TYPE AS EVENT_MANIPULATION, TABLE_NAME AS EVENT_OBJECT_TABLE,

```sql create table A (id varchar(5),name varchar(30)); create table B (id varchar(5),name varchar(

```sql SELECT TABNAME FROM SYSCAT.TABLES WHERE TABSCHEMA = 'TEST' AND TYPE = 'A' ``` 这里是`TEST`是模式名，`

建表 ```sql CREATE TABLE employees ( employee_id SERIAL PRIMARY KEY, first_name VARCHAR(50),

```sql SELECT MVIEW_NAME FROM USER_MVIEWS WHERE SCHID IN (SELECT ID FROM SYS.SYSOBJECTS WHERE NAME

```oracle CREATE OR REPLACE PACKAGE test.test_package AS -- 声明一个简单的存储过程 PROCEDURE say_hello(name IN

```sql -- 创建一个新的数据库（模式） CREATE DATABASE IF NOT EXISTS TestDB; -- 切换到新的数据库 USE TestDB; -- 创建一个测试表 CRE