delete table sql

The source of this article: http://www.cnblogs.com/wy123/p/6704619.htmlIssue backgroundIn a write SQL Server stored procedure, if a temporary table is defined in the stored procedure,Some people are used to explicitly delete a temporary table

Create TriggerCourse_delete onCourseinstead of Delete as Declare @cno varchar( -)--Defining Variables Select @cno =Cno fromDeleted--the information in the temp table is instead of substitution delete information to delete Delete

18. Create and use a view tableView tableView table conceptsCreate a viewModify and delete a tableEnhanced viewing table functionality in SQL Server 2000SummaryIn Chapter 17th, we learned about indexes. indexes are a secondary database structure

"Go" SQL create TABLE, delete table Add field Delete field actionHere are some common SQL Server and Access operations database structures that you would like to help.New table:CREATE table [table name]([AutoNumber field] int IDENTITY (PRIMARY KEY),[

  1 Overview In addition to permanent tables, the ORACLE database can also create temporary tables. These temporary tables are used to save the data of a SESSION or the data required in a transaction. When the session exits or the user commits a

Difference between SQL Server table variables and temporary tables (Supplement), SQL Server I. Table Variables Table variables are introduced in SQL Server 2000 for the first time. Table variables include column definitions, column names, data types,

First, syntax in SQL    1, drop Table table name                            eg:drop table  dbo. Sys_test    2, truncate table Table name                       eg:truncate  table dbo. sys_test                       3, delete from   table

For more information about bugs fixed in SQL Server 2000 Service Pack 4, click the following article number to view the article in the Microsoft Knowledge Base:314128 FIX: When an RPC call is performed, Access with conflicting values includes an

In the SQL statement ---- delete table data drop, truncate, and delete usage, droptruncate Reprinted from: http://www.cnblogs.com/1312mn/p/4422396.html I. SQL syntax 1. drop table name eg: drop table dbo. Sys_Test2. truncate table name eg: truncate

While it's not recommended to use commands to delete things in a database table, these delete commands are always useful.When it comes to deleting table data, the biggest thing you can remember is the delete.However, we do database development and