delete and drop in sql

Discover delete and drop in sql, include the articles, news, trends, analysis and practical advice about delete and drop in sql on alibabacloud.com

Explain the similarities and differences between drop, delete, and truncate in SQL,

Explain the similarities and differences between drop, delete, and truncate in SQL, First: Similarities: Truncate, delete without where clause, and drop both delete table data. Second: Differences: 1. Truncate and delete: only delete data. Do not

The difference between drop, truncate, and delete in SQL

SQL truncate, delete and drop differencesSame point:1.truncate and delete without a WHERE clause, and drop deletes the data in the table.2.drop, truncate are DDL statements (data definition language) that are automatically committed after

The truncate, delete, and drop differences of SQL

Same point:Truncate and delete without a WHERE clause, and drop will delete the data in the table different points: 1. Truncate and delete only delete data without deleting the structure of the table (definition)The drop statement will delete the

Differences between drop, delete, and truncate in oracle: droptruncate

Differences between drop, delete, and truncate in oracle: droptruncate Differences between drop, delete, and truncate in oracle you can use the drop, delete, and truncate commands to delete tables in the database, there are many articles and

In the SQL statement ---- delete table data drop, truncate, and delete usage, droptruncate

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

Difference between truncate, delete, and drop in SQL

The similarities between the three commands: truncate and delete without the where clause, and drop will delete the data in the table. The difference is that truncate will clear the table data table and set the id to start from 1, delete: only

Use of drop, truncate, and delete----Delete table data in SQL statements

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

Is it really necessary to explicitly delete the temporary table defined in the stored procedure of the SQL Server database (drop table #tableName)?

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

---Delete table structure in SQL statements similarities and differences between Drop,truncate and delete

Refer to others summary, this content only for oneself studyI. Syntax in SQL1.drop Table name Eg:drop table dbo. Sys_test2.truncate Table name eg:truncate table dbo. Sys_test3.delete from table name where column name = value Eg:delete from dbo.

Difference between truncate, delete, and drop in SQL

The similarities between the three commands: truncate and delete without the where clause, and drop will delete the data in the table. The difference is that truncate will clear the table data table and set the id to start from 1, delete: only

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