Fading Coder

Sample Tables Table X CREATE TABLE X ( user_id INT, username VARCHAR(20), profile VARCHAR(20) ); INSERT INTO X VALUES(1, 'Alice', 'Dev'); INSERT INTO X VALUES(2, 'Bob', 'QA'); Table Y CREATE TABLE Y ( user_id INT, username VARCHAR(20), score INT ); INSERT INTO Y VALUES(1, 'Alice', 85); INSERT INTO Y...

In Oracle, the queries SELECT * FROM a, b WHERE a.id = b.id and SELECT * FROM a INNER JOIN b ON a.id = b.id are functionally equivalent. Both produce the same result set by matching rows from tables a and b where the id values are equal. However, they differ in syntax style and clarity. The comma-ba...