What do you want to save?
Add Code snippet
New code examples
-
SQL 2021-09-07 15:27:01
sql left outer join vs left join
-- LEFT OUTER JOIN is equivalent to LEFT JOIN -- b.VALUE1 is null when ID not in table2 (idem for c.VALUE1 in table3) SELECT a.ID, a.NAME, b.VALUE1, c.VALUE1 FROM table1 a LEFT OUTER JOIN table2 b ON a.ID = b.ID LEFT OUTER JOIN table3 c ON a.ID = c.I... Add solution -
SQL 2021-09-05 18:35:02
left join multiple tables postgresql
-- LEFT OUTER JOIN is equivalent to LEFT JOIN -- b.VALUE1 is null when ID not in table2 (idem for c.VALUE1 in table3) SELECT a.ID, a.NAME, b.VALUE1, c.VALUE1 FROM table1 a LEFT OUTER JOIN table2 b ON a.ID = b.ID LEFT OUTER JOIN table3 c ON a.ID = c.I... Add solution -
SQL 2021-08-31 05:34:02
sql update multiple columns from another table
-- Oracle UPDATE table2 t2 SET (VALUE1, VALUE2) = (SELECT COL1 AS VALUE1, COL1 AS VALUE2 FROM table1 t1 WHERE t1.ID = t2.ID); -- SQL Server UPDATE table2 t2 SET t2.VALUE1 = t1.COL1, t2.VALUE2 = t1.COL2 FROM table1 t1 INNER JOIN t2 ON t1.ID = ... Add solution