It’s great for development – if you want to copy an existing table and use it for testing or development purposes without changing the real table. Or, if you want a similar table with the same structure. The syntax for using this command is: CREATETABLEtable_nameAS(SELECTselect_query);...
CREATE TABLE - Creating a table from a query CREATE EXTERNAL TABLE ALTER TABLE ALTER TABLE - Adding and removing vertical partition buckets TRUNCATE TABLE DROP TABLE U-SQL indexes U-SQL statistics U-SQL views U-SQL functions U-SQL packages ...
Examples A. Create a PRIMARY KEY constraint on a column The following example shows the column definition for a PRIMARY KEY constraint with a clustered index on the EmployeeID column of the Employee table. Because a constraint name isn't specified, the system supplies the constraint name. SQL ...
SQL CREATE TABLE Example The following example creates a table called "Persons" that contains five columns: PersonID, LastName, FirstName, Address, and City: ExampleGet your own SQL Server CREATETABLEPersons ( PersonID int, LastName varchar(255), ...
此可选子句使用query中的数据来填充表。 指定query时,不能同时指定table_specification。 表架构派生自查询。 请注意,Azure Databricks 会用输入查询的数据覆盖基础数据源,确保创建的表包含与输入查询完全相同的数据。 例子 SQL -- Creates a Delta table>CREATETABLEstudent (idINT,nameSTRING, ageINT);-- ...
A local temporary table created within a stored procedure or trigger can have the same name as a temporary table that was created before the stored procedure or trigger is called. However, if a query references a temporary table and two temporary tables with the same name exist at that time...
SQL QUERY EXAMPLES Other related articles: Recently viewed articles: SQL Introduction Structured Query Language, most often called (S-Q-L), is Database Query Language used to manipulate and extract data from Database. It was originally called Structured English Query Language (in short SEQUEL) by...
C# to create an access database...with password protection. C# to delete an Excel Worksheet c# to jQuery replace " with double quote C# To Open Access Database C# to OpenOffice Calc C# to POST HTTP with XML C# to query SQL and store results in a variable C# to read S.M.A.R...
CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] } [ , ...n ] ) RETURNS TABLE <clr_table_type_definition> [ WITH <clr_function_option> [ , ...n ] ] [ ORDER ( <...
CREATETABLE{database_name.schema_name.table_name|schema_name.table_name|table_name} [ (column_name[ ,...n ] ) ]WITH(<distribution_option>-- required[ ,<table_option>[ ,...n ] ] )AS<select_statement>OPTION<query_hint>[;]<distribution_option>::={DISTRIBUTION=HASH(distribution_column_...