You have to use multiple LEFT JOINS like below and also need to connect TEST1 and TEST2 to Either TABLE1 or TABLE2 otherwise there is no ... ... <看更多>

... <看更多>

You can achieve a similar syntax in Oracle using an updatable view. This is where you write the query as a select statement and update. ... <看更多>

Mar 30, 2020 - What is sql join: A join clause is use to combine rows from two or more tables, based on a related column between them.Different types of SQL ... ... <看更多>