Saved Bookmarks
| 1. |
What Is The Difference Between A Union And A Join In Sql Server? |
|
Answer» A UNION select rows whereas a JOIN selects columns from two or more TABLES. Both can be used to COMBINE data from MULTIPLE tables. In a nutshell, JOIN combines data into new columns, whereas UNION combines data into new rows. A UNION select rows whereas a JOIN selects columns from two or more tables. Both can be used to combine data from multiple tables. In a nutshell, JOIN combines data into new columns, whereas UNION combines data into new rows. |
|