- JOIN: Return rows when there is at least one match in both tables
- LEFT JOIN: Return all rows from the left table, even if there are no matches in the right table
- RIGHT JOIN: Return all rows from the right table, even if there are no matches in the left table
- FULL JOIN: Return rows when there is a match in one of the tables
All the question that scared me now i am trying to scare them .. so that they cant scare others :)
Monday, April 9, 2012
Different SQL JOINs
Subscribe to:
Post Comments (Atom)
Featured Posts
Run Commands for Windows
🖥️ CPL Files (Control Panel Applets) Run via Win + R → filename.cpl Command Opens appwiz.cpl P...
-
Configuration config = HBaseConfiguration.create(); Job job = new Job(config,"ExampleReadWrite"); job.setJarByClass(MyReadWriteJo...
-
Use the following function which is built in percentile(BIGINT col, p) and set p to be 0.5 and will calculate the median credit : ...
No comments:
Post a Comment
Thank you for Commenting Will reply soon ......