Learn more about the Microsoft.SqlServer.Management.SqlParser.SqlCodeDom.SqlCreateUserDefinedTableTypeStatement.TableDefinition in the Microsoft.SqlServer.Management.SqlParser.SqlCodeDom namespace.
复制 /* Create a user-defined table type */ CREATE TYPE LocationTableType AS TABLE ( LocationName VARCHAR(50) , CostRate INT ) GO 请参阅 参考 CREATE ASSEMBLY (Transact-SQL) DROP TYPE (Transact-SQL) EVENTDATA (Transact-SQL) 概念 使用别名数据类型 使用CLR 用户定义类型 中文...
Creates an alias data type or a user-defined type in the current database in SQL Server or Azure SQL Database.
A table-valued user-defined function is a function that returns a table (a set of rows) and can be used in FROM clause. Quick Example: -- Create a table-valued user-defined functionCREATEFUNCTIONget_cities(@filterVARCHAR(70))RETURNS@citiesTABLE-- Table definition for result(nameVARCHAR(90)...
Advanced User Guide Decimal Numbers UUID (Universally Unique Identifiers) Table of contents One-to-Many and Many-to-One Create Tables in Code Create the team Table Create the New hero Table The Value of foreign_key Create the Tables Run the Code Create Tables in SQL Recap SQL...
The sequence in which the fields are defined does not affect the import result. type_name Specifies the data type of the column. constraint_name Specifies the name of a constraint for the foreign table. { NULL | NOT NULL } Specifies whether the column allows NULL. When you create a ...
In-memory OLTP syntax for natively compiled, scalar user-defined functions. syntaxsql 复制 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL | NOT NULL ] [ = default ] [ READONLY ] } [ ...
In-memory OLTP syntax for natively compiled, scalar user-defined functions. syntaxsql 複製 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL | NOT NULL ] [ = default ] [ READONLY ] } [ ...
In-memory OLTP syntax for natively compiled, scalar user-defined functions. syntaxsql 复制 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL | NOT NULL ] [ = default ] [ READONLY ] } [ ...
CREATE FOREIGN TABLE creates an HDFS or OBS foreign table in the current database to access structured data stored on HDFS or OBS. You can also export data in ORC format