how to validate data in sql

Validate command --- rman for backup and reply verification, validate --- rman As an oracle backup and recovery tool, rman provides us with powerful functions, including physical and logical detection of data files and validity detection of backup

Here's a blog post explaining these two usages: http://www.cnblogs.com/rootq/archive/2008/09/23/1297400.htmlTo enable constraints:Enable (Validate): Enables constraints, creates indexes, and enforces constraints on existing and newly added data.

1. Create the original table and Data SQL> Create Table T1 (ID number, name varchar2 (20 )); Table created SQL> insert into T1 values (1, 'A '); 1 row inserted SQL> insert into T1 values (1, 'B '); 1 row inserted SQL> insert into T1 values (2, 'C ');

1Create original table and Data SQL> create table t1 (id number, name varchar2 (20 )); Table created SQL> insert into t1 values (1, 'A '); 1 row inserted SQL> insert into t1 values (1, 'B '); 1 row inserted SQL> insert into t1 values (2, 'C '); 1

--When importing table data with Pl/sql error ORA-02298: Unable to verify (PNET. POST_CLOB_FK)-parent keyword not found --Discovery is enabled by the FOREIGN key constraint times error ALTER TABLE Dm_volrev enable constraint VR_VOLID_FK;

This article explores the built-in XML support in SQL Server 2005. Describes how this support integrates with client programming supported by the. NET framework V2.0 and native code, such as OLE DB and SQLXML. First, Introduction Extensible Markup

Content Introduction: Two kinds of shell script detailed Operational actions to verify the validity of Rman backup sets Rman Backup Recovery experiment Operation Warfare Technique Often listen to some master said, to do a regular Oracle Database

access|server| Data | database As users grow in demand for enterprise-class High-performance databases, users are often converted from the file-server environment of the Microsoft Access jet engine to Client-server environment for Microsoft SQL

access|server| Data | Databases as users grow in demand for enterprise-class high-performance databases, users often have to switch from a file-server environment in a Microsoft Access jet engine to a client-server environment in Microsoft SQL

With the rapid development of Web applications and the continuous maturation of technology, the demand for web development-related jobs is increasing, and more and more people are joining the ranks of web development. However, due to the uneven