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sql delete all知識摘要

(共計:20)
  • Delete All Table Data Within a Database in SQL Server
    This article explains two ways to delete all the table data within a database. ... Problem statement One of my project assignments was to clean an entire database, in other words delete all the data from all the tables of the database.

  • Prevent accidental update or delete commands of all rows in a SQL Server table
    Now that a DELETE trigger is defined on the Purchasing.VendorContact table, we can modify the delete trigger to prevent accidental delete of all rows in table. Just ALTER the trigger and paste code for the prevention logic at the beginning of the trigger.

  • SQL DELETE, TRUNCATE, DROP Statements
    How to delete a row in the table. How to truncate a table. How to use sql drop command. How to use sql truncate command. How to use sql delete command. How to drop sql ...

  • DELETE (Transact-SQL)
    To delete all the rows in a table, use TRUNCATE TABLE. TRUNCATE TABLE is faster than DELETE and uses fewer system and transaction log resources. TRUNCATE TABLE has restrictions, for example, the table cannot participate in replication. For more ...

  • sql - delete all from table - Stack Overflow
    TRUNCATE TABLE table_name ...

  • sql ce - How to delete all data in a table in SQL CE? - Stack Overflow
    No, other than DROP TABLE, CREATE TABLE and INSERT the surviving data (if there are any) ...

  • SQLCourse - Lesson 7: Deleting Records
    Note: if you leave off the where clause, all records will be deleted! delete from employee where lastname = 'May'; delete ...

  • Deleting Rows by Using DELETE - TechNet - Microsoft
    SQL Server 2008 R2 ... All rows in table_or_view that meet the qualifications of the WHERE search condition are deleted. ... The following example shows the Transact-SQL extension used to delete ...

  • Deleting All Rows by Using TRUNCATE TABLE - TechNet - Microsoft
    The TRUNCATE TABLE statement is a fast, efficient method of deleting all rows in a table. ... SQL Server 2008 R2.

  • TRUNCATE TABLE (Transact-SQL) - MSDN - Microsoft
    Removes all rows from a table without logging the individual row deletions. TRUNCATE TABLE is similar to the DELETE statement with no WHERE clause; ... Transact-SQL Syntax Conventions ...

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