This SQL tutorial explains how to use the SQL CREATE TABLE AS statement with syntax and examples.Description You can also use the SQL CREATE TABLE AS statement to create a table from an existing table by copying
SQLStatement() Создаетэкземпляр SQLStatement. SQLStatement cancel():void Отменяетвыполнениеинструкции. SQLStatement clearParameters():void Удаляетвсетекущиезначенияпараметров. ...
Note:To get the SQL statement above to work in MySQL use the following: SELECTCustomerName, CONCAT(Address,', ',PostalCode,', ',City,', ',Country)ASAddress FROMCustomers; Alias for Tables The following SQL statement selects all the orders from the customer with CustomerID=4 (Around the ...
在云计算领域中,使用SQL语言执行动态查询是非常常见的操作。SQL是结构化查询语言的缩写,是一种用于管理关系型数据库的标准语言。在执行动态查询时,可以使用SQL的SELECT语句来实现。 对于给定的...
For more information, seeCREATE TABLEin theOracle documentation. MySQL usage MySQL conforms to the ANSI/SQL standard for CTAS functionality and is compatible with an Oracle CTAS statement. For MySQL, the following CTAS standard elements are optional: ...
SET @cookie = <value from the SELECT @cookie statement>; REVERT WITH COOKIE = @cookie; -- Verify the context switch reverted. SELECT SUSER_NAME(), USER_NAME(); GO 另請參閱 REVERT (Transact-SQL) EXECUTE AS 子句 (Transact-SQL)意見...
] table_name } [ (column_name [ , ...n ] ) ] WITH ( LOCATION = 'hdfs_folder' | '<prefix>://<path>[:<port>]' , DATA_SOURCE = external_data_source_name , FILE_FORMAT = external_file_format_name [ , <reject_options> [ , ...n ] ] ...
CREATE TABLE AS creates a table based on the results of a query.CREATE TABLE AS creates a table and fills it with the data returned by the SELECT statement. The columns i
] table_name } [ (column_name [ , ...n ] ) ] WITH ( LOCATION = 'hdfs_folder' | '<prefix>://<path>[:<port>]' , DATA_SOURCE = external_data_source_name , FILE_FORMAT = external_file_format_name [ , <reject_options> [ , ...n ] ] ) AS [;] <reject_options> :...
SQL DECLARE@cookie VARBINARY(8000);EXECUTEASUSER='user1'WITHCOOKIEINTO@cookie;-- Store the cookie in a safe location in your application.-- Verify the context switch.SELECTSUSER_NAME(), USER_NAME();--Display the cookie value.SELECT@cookie; GO-- Use the cookie in the REVERT statement.DECL...