从SQL Server 实例中删除一个或多个用户数据库或数据库快照。 Transact-SQL 语法约定 语法 syntaxsql -- SQL Server SyntaxDROPDATABASE[IFEXISTS] {database_name|database_snapshot_name} [ ,...n ] [;] syntaxsql -- Azure SQL Database, Azure Synapse Analytics and Analytics Platform System SyntaxDRO...
Dropping a database deletes the database from an instance of SQL Server and deletes the physical disk files used by the database. If the database or any one of its files is offline when it is dropped, the disk files are not deleted. These files can be deleted manually by using Window...
Syntax SQL Server syntax. syntaxsqlCopy DROPDATABASE[IFEXISTS] {database_name|database_snapshot_name} [ ,...n ] [ ; ] Azure SQL Database, Azure Synapse Analytics, and Analytics Platform System syntax. syntaxsqlCopy DROPDATABASEdatabase_name[ ; ] ...
mysql> HELP ‘DROP DATABASE’;Name: ‘DROP DATABASE’Description:Syntax:DROP {DATABASE | SCHEMA} [IF EXISTS] db_nameDROP DATABASE drops all tables in the database and deletes thedatabase. Be very careful with this statement! To use DROP DATABASE,you need the DROP privilege on the data...
DROPDATABASE[IFEXISTS] {database_name|database_snapshot_name} [ ,...n ] [ ; ] Azure SQL-Datenbank- und Azure Synapse Analytics- und Analytics Platform-Systemsyntax. syntaxsqlKopieren DROPDATABASEdatabase_name[ ; ] Argumente IF EXISTS ...
Transact-SQL 语法约定 语法 复制 -- SQL Server Syntax DROP DATABASE { database_name | database_snapshot_name } [ ,...n ] [;] -- Windows Azure SQL Database Syntax DROP DATABASE database_name [;] -- Core Syntax (common to SQL Server and SQL Database) DROP DATABASE database_name...
Data Definition: CREATE, DROP, ALTER CREATE DATABASE Syntax CREATE DATABASE [IF NOT EXISTS] db_name CREATE DATABASE creates a database with the given name. Rules for allowable database names … - Selection from MySQL Reference Manual [Book]
SyntaxDrop_Database_Statement := 'DROP' 'DATABASE' ['IF' 'EXISTS'] DB_Name. DB_Name := Quoted_or_Unquoted_Identifier. RemarksDB_Name Specifies the name of the database to be dropped in form of a quoted or unquoted U-SQL identifier. If a database of the given name does not exist...
DDL 的英文全称是 Data Definition Language(数据定义语言), 它定义了数据库的结构和数据表的结构。 在DDL 中,我们常用的功能是增删改,分别对应的命令是 CREATE、DROP 和 ALTER。 对数据库进行定义# 建数据库的基本SQL语法格式为: CREATEDATABASE database_name;//创建一个名为 database_name 的数据库 ...
Database/ Oracle/ Oracle Database/ Release 23 SQL Language Reference Purpose Use theDROPTABLEstatement to move a table or object table to the recycle bin or to remove the table and all its data from the database entirely. Note: Unless you specify thePURGEclause, theDROPTABLEstatement does no...