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Developer-C 11.1
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-- Create tableA CREATE TABLE TableA( [ID] int, [value] int, [condition] varchar(3) ); --Create TableB CREATE TABLE TableB( ID INT, UserName VARCHAR(45) ); --Insert data into TableA INSERT INTO TableA ([ID], [value], [condition]) VALUES (1, 20, 'A-M'), (2, 50, 'N-Z'); --Insert data to TableB INSERT INTO TableB (ID, UserName) VALUES (1, 'Conan'), (2, 'Whatever');
4 rows affected
SELECT * FROM TableB B WHERE LEFT(B.UserName, 1) LIKE QUOTENAME((SELECT Condition FROM TableA WHERE ID = 1));
ID
UserName
1
Conan