> DUAL Table - Quick Note DUAL is a special dummy table in Oracle with exactly one row and one column. Used when you want to run a SELECT that doesn't need a real table. SELECT 2 2 FROM dual; -- Output: 4 SELECT SYSDATE FROM dual; -- Output: today's date SELECT Q'[Raj's name]' FROM dual; -- Output: Raj's name • Think of DUAL as Oracle's calculator table - use it whenever you want to test expressions or functions without needing a real table #OracleSQL #Aliases #DISTINCT #Concatenation #QOperator #DESCRIBE #DUALTable #Comments #LearnSQL #Day11 #100DaysOfCode #TechTwitter

There R symbolisms of knots, tie, can not, tie knot, mend or mending, sew-ing - sew-ers..strings, rings, & “things”. We have to connect the right channels or lines though - plugging in or “linking” (chains or rings...or breaking, freeing, or unionizing - which “switch”QOperator?)