insert into testTable(name,age,createTime) values('testname',11,'2019-4-4') 五、查看表 select * from testTable -- 如果有数据就对了!!!
SQL Copy 6. Truncate Statement The following syntax for the TRUNCATE TABLE statement in Oracle/PLSQL . In the following example, we will truncate the employee table TRUNCATE TABLE EMPLOYEE; SQL Copy In the Oracle database, truncating the table is a fast way to clear out records from ...
The syntax for the CREATE TABLE AS statement that copies the selected columns in Oracle/PLSQL is: CREATE TABLE new_table AS (SELECT column_1, column2, ... column_n FROM old_table); Example Let's look at a CREATE TABLE AS example that shows how to create a table by copying selected...
The Oracle CREATE TABLE statement allows you to create and define a table. Syntax The syntax for the CREATE TABLE statement in Oracle/PLSQL is: CREATE TABLE table_name ( column1 datatype [ NULL | NOT NULL ], column2 datatype [ NULL | NOT NULL ], ... column_n datatype [ NULL | ...
>--TABLE OF--datatype--->< Description OR REPLACE Indicates that if a user-defined data type with the same name already exists in the schema, the new data type is to replace the existing one. If this option is not specified, the new data type cannot replace an existing one with the...
PLSQL问题:table 一个TYPE的定义:create or replace type FND_TABLE_OF_VARCHAR2_4000 as table of varchar2(100)我想知道这个类型到底是什么,table 相关知识点: 试题来源: 解析 这个类型是VARCHAR2类型的索引表,你可以拿这个类型定义一个变量,可以作为集合使用,类似数组. table of 没什么意思, 应该分开来看...
strings emp.dmp >emp.sql emp.sql中就有DLL语句了 三、通过9i的DBMS_METADATA包得到DLL语句 基本上用到的语法如下: a. 获取单个的建表和建索引的语法 set heading off; set echo off; Set pages 999; set long 90000; spool DEPT.sql select dbms_metadata.get_ddl('TABLE','DEPT','SCOTT') from dua...
] { table | view } referencing_clause 的语法如下: REFERENCING { OLD [ AS ] old | NEW [ AS ] new | PARENT [ AS ] parent }.. trigger_body 的语法如下: { plsql_block | CALL routine_clause } 语义 语法关键字或语法节点说明 create_trigger OR REPLACE 重新创建该触发器(如果存在),...
] { table | view } referencing_clause 的语法如下: REFERENCING { OLD [ AS ] old | NEW [ AS ] new | PARENT [ AS ] parent }.. trigger_body 的语法如下: { plsql_block | CALL routine_clause } 语义 语法关键字或语法节点说明 create_trigger OR REPLACE 重新创建该触发器(如果存在),...
create type 自定义Object类型A as object( 字段1 类型1, 字段2 类型2 ); 与 type 自定义表类型B is table of 类型 和 type 自定义Object类型B is record( 字段1 类型1, 字段2 类型2 ); 自定义类型一般分为两中,object类型和table类型.object类似于一个recored,可以表示一个表的一行数据, ...