• Home
  • Recent Q&A
  • Java
  • Cloud
  • JavaScript
  • Python
  • SQL
  • PHP
  • HTML
  • C++
  • Data Science
  • DBMS
  • Devops
  • Hadoop
  • Machine Learning
in Spark Sql by
Q:

SQL Self JOIN

1 Answer

0 votes
by

SQL Self JOIN

A self JOIN is a regular join, but the table is joined with itself.

Self JOIN Syntax

SELECT column_name(s)
FROM table1 T1, table1 T2
WHERE condition;

T1 and T2 are different table aliases for the same table.

Related questions

0 votes
asked Sep 9, 2019 in Spark Sql by ivor2019
0 votes
asked Sep 9, 2019 in Spark Sql by ivor2019
...