Tag: Use of UNION Operator in SQL

Use of UNION and UNION ALL Operator in SQL

UNION and UNION ALL Operator in SQL: (1) “UNION” & “UNION ALL” operators are used to combine two SELECT statement results. (2) The difference between “UNION” and UNION ALL” is that “UNION” select only unique values from two columns having the same datatype and same sequence whereas “UNION ALL” select all values whether it is duplicate …
Ads Blocker Image Powered by Code Help Pro

Ads Blocker Detected!!!

Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by disabling your ad blocker.

Powered By
Best Wordpress Adblock Detecting Plugin | CHP Adblock