SQL DROP TABLE Statement Syntax DROP <table_name> ( <column_list> Before executing a DROP statement you may need or want to: Backup data Remove / drop dependent information such as constraints (foreign keys). An error condition may occur for a DROP TABLE statement if there are existin...
Here, the SQL command will delete a table namedShippings. Also, make sure you haveadminorDROPpermission to run this command. DROP TABLE Syntax The syntax of the SQLDROP TABLEstatement is: DROPTABLEtable_name; Here,table_nameis the name of the table to be removed. Note:When we delete a ...
You can delete an existing index in a table with the DROP INDEX statement. 你可以将现有的索引通过DROP INDEX语句进行取消操作。 Syntax for Microsoft SQLJet (and Microsoft Access): 在Microsoft SQLJet (和 Microsoft Access)中的语法是这样的: DROP INDEX index_name ON table_name Syntax for MS SQL S...
TheDROP TABLEstatement is used to drop an existing table in a database. Syntax DROPTABLEtable_name; Note:Be careful before dropping a table. Deleting a table will result in loss of complete information stored in the table! SQL DROP TABLE Example ...
Syntax for DROP DROP alias-designatorDATABASEdatabase-nameFUNCTIONfunction-name(,parameter-type)RESTRICTSPECIFICFUNCTIONspecific-nameRESTRICTINDEXindex-nameMASKmask-namePACKAGEcollection-id. package-nameVERSIONversion-idPERMISSIONpermission-namePROCEDUREprocedure-nameRESTRICTROLErole-nameRESTRICTSEQUENCEsequence-name...
Syntax SQLSyntax ❮ PreviousNext ❯ SQL Statements Most of the actions you need to perform on a database are done with SQL statements. SQL statements consist of keywords that are easy to understand. The following SQL statement returns all records from a table named "Customers":...
DROPTABLEAdventureWorks2022.dbo.SalesPerson2 ; C. Dropping a temporary table The following example creates a temporary table, tests for its existence, drops it, and tests again for its existence by attempting to execute aSELECTstatement, which fails. This example doesn't use theIF EXISTSsyntax wh...
14.1.8.4 ALTER TABLE Examples 14.1.9 ALTER TABLESPACE Syntax ALTER TABLESPACEis useful only with Disk Data storage for MySQL Cluster. 14.1.10 ALTER VIEW Syntax userview_name column_list select_statement 14.1.11 CREATE DATABASE Syntax db_name ...
Syntax to drop a columnALTER TABLE table_name DROP column_name; For Example: To drop the column "location" from the employee table, the query would be likeALTER TABLE employee DROP location; Syntax to modify a columnALTER TABLE table_name MODIFY column_name datatype; ...
SQL Syntax 儲存 單詞卡 學習 測試 配對 Select Statement 點擊卡片即可翻轉 👆 SELECT "column_name" FROM "table_name" 點擊卡片即可翻轉 👆 建立者 alice_renegar SQL syntax for each of the SQL commands in this tutorial, making this an easy reference for someone to learn SQL....