OceanFrogs interview question

What are joins in SQL?

Interview Answer

Anonymous

Feb 11, 2020

Joins are useful to combine the tables. Joins are 6 types. But we mainly use 4 only: 1. Inner joins 2. Outer joins 3. Left Join 4. Right Join 5. Cross join 6. Self-join But we only use the first 4 joins mostly.