Oracle clears all table data and oracle clears table data

Source: Internet
Author: User

Oracle clears all table data and oracle clears table data

Method:

1. Delete all foreign key constraints

2. drop table

3. Add foreign key constraints
Code generated using powerdesign

/*==============================================================*/ /* DBMS name:   ORACLE Version 10g              */ /* Created on:   2013/8/16 14:30:03              */ /*==============================================================*/   alter table Da_pic   drop constraint FK_DA_PIC_REFERENCE_DA_PICSU;  drop table Da_pic cascade constraints;  drop table Da_picsubject cascade constraints;  /*==============================================================*/ /* Table: Da_pic                        */ /*==============================================================*/ create table Da_pic (   ID          VARCHAR2(200)          not null,   no          VARCHAR2(200),   subjiectid      VARCHAR2(200),   Name         VARCHAR2(400),   UploadTime      DATE,   UserId        VARCHAR2(200),   picdate       DATE,   place        VARCHAR2(200),   people        VARCHAR2(200),   event        VARCHAR2(200),   background      VARCHAR2(200),   cameramen      VARCHAR2(200),   serial        INTEGER,   IsEffect       VARCHAR2(200),   constraint PK_DA_PIC primary key (ID) );  /*==============================================================*/ /* Table: Da_picsubject                     */ /*==============================================================*/ create table Da_picsubject (   ID          VARCHAR2(200)          not null,   no          VARCHAR2(200),   title        VARCHAR2(200),   year         VARCHAR2(200),   type         VARCHAR2(200),   gdtime        DATE,   iseffect       VARCHAR2(200),   seiral        INTEGER,   constraint PK_DA_PICSUBJECT primary key (ID) );  alter table Da_pic   add constraint FK_DA_PIC_REFERENCE_DA_PICSU foreign key (subjiectid)    references Da_picsubject (ID); 




Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.