These CREATE TABLE examples cover all of the topics I’ve mentioned in this article. It usually helps to see examples with data and real names, rather than syntax. Each of the examples demonstrates the SQL using syntax for Oracle, SQL Server, MySQL, and PostgreSQL. Example 1 – Basic Table...
Syntax for Transact-SQL scalar functions. syntaxsql 复制 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS return_data_type [ ...
See Also: "About SQL Expressions" for the syntax of exprinline_ref_constraint and out_of_line_ref_constraintThese clauses let you describe a column of type REF. The only difference between these clauses is that you specify out_of_line_ref_constraint from the table level, so you must ...
* SQL Server * Azure SQL 数据库 Azure SQL托管实例 Azure Synapse分析 Analytics PlatformSystem (PDW) SQL Server 语法 syntaxsql 复制 -- Syntax for SQL Server CREATE LOGIN login_name { WITH | FROM <sources> } ::= PASSWORD = { 'password' | hashed_password HASHED } [ MUST_CHANG...
Microsoft Fabric 中的 SQL 分析端点 Microsoft Fabric 中的仓库 在当前数据库中创建架构。 CREATE SCHEMA 事务还可以在新架构内创建表和视图,并可对这些对象设置 GRANT、DENY 或 REVOKE 权限。 Transact-SQL 语法约定 语法 syntaxsql -- Syntax for SQL Server and Azure SQL DatabaseCREATESCHEMAschema_name_clause...
CREATE USERfor information on assigning a temporary tablespace to a user Prerequisites You must have theCREATETABLESPACEsystem privilege. Syntax create_temporary_tablespace::= Text description of create_temporary_tablespace (datafile_tempfile_spec::=,temp_tablespace_extent::=) ...
Syntax 引數 備註 叢集索引 顯示其他 24 個 適用於:SQL Server Azure SQL 資料庫 Azure SQL 受控執行個體Azure Synapse AnalyticsAnalytics Platform System (PDW) 在資料表或檢視上建立關聯式索引。 也稱為資料列存放區索引,因為它是叢集或非叢集的 B 型樹狀結構索引。 您可以在資料表中含有資料之前,先建...
syntaxsql CREATEUSERuser_name[ { {FOR|FROM} {LOGINlogin_name} |WITHOUTLOGIN] [WITHDEFAULT_SCHEMA=schema_name] [;] 参数 user_name 指定在此数据库中用于识别该用户的名称。user_name为sysname。 它的长度最多是 128 个字符。 在创建基于 Windows 主体的用户时,除非指定其他用户名,否则 Windows 主体名称...
syntaxsql Copy CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> | [ ] [ ,... n ] | [ ] [ ,... n ] } [ PERIOD FOR SYSTEM_TIME ( system_start_time_column_name , system_end_time_column_name ) ] ) ...
DBADM or DBCTRL authority for the database System DBADM SYSADM or SYSCTRL authority Syntax for CREATE TABLE CREATE TABLEtable-name(,column-definitionperiod-definitionunique-constraintreferential-constraintcheck-constraint)LIKEtable-nameview-namecopy-optionsas-result-tablecopy-optionsmaterialized-query-definiti...