sql select where id not exists in another table
where ID not in(select ID from T2 where HISTORY_FLG!=1)sql select where id not exists in another table
where ID not in(select ID from T2 where HISTORY_FLG!=1)sql create a variable in select
-- Create the table.
CREATE TABLE TestTable (cola int, colb char(3));
GO
SET NOCOUNT ON;
GO
-- Declare the variable to be used.
DECLARE @MyCounter int;
-- Initialize the variable.
SET @MyCounter = 0;
-- Test the variable to see if the loop is finished.
WHILE (@MyCounter < 26)
BEGIN;
-- Insert a row into the table.
INSERT INTO TestTable VALUES
-- Use the variable to provide the integer value
-- for cola. Also use it to generate a unique letter
-- for each row. Use the ASCII function to get the
-- integer value of 'a'. Add @MyCounter. Use CHAR to
-- convert the sum back to the character @MyCounter
-- characters after 'a'.
(@MyCounter,
CHAR( ( @MyCounter + ASCII('a') ) )
);
-- Increment the variable to count this iteration
-- of the loop.
SET @MyCounter = @MyCounter + 1;
END;
GO
SET NOCOUNT OFF;
GO
-- View the data.
SELECT cola, colb
FROM TestTable;
GO
DROP TABLE TestTable;
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