Difference Between Union & Union All in MySQL || MySQL Tutorial series || Code With Neha

In my previous video of mysql series I have discussed about union in MySQL You can check the video from the above I button Today I am going to discuss about union and union all in mysql so without any further delay let's get started Difference between UNION and Union All UNION UNION ALL Combines result from multiple tables and returns the distinct records into a single result set.Whereas Union All Combines the result from multiple tables and returns all the records into a single result set. Union has a default feature to eliminate duplicate rows from the table union all can’t eliminate the duplicate rows from the table. Union has Slow performance as it removes duplicate rows from the output whereas union all has Fast performance as compared to UNION. Syntax for union SELECT column_names FROM table_1 WHERE conditions UNION SELECT column_names FROM table_2 WHERE conditions Syntax for union all SELECT column_names FROM table_1 WHERE conditions UNION ALL SELECT column_names FROM table_2 WHERE conditions that's all for today Hope you all will get some help from this video If it's so then don't forget to subscribe my channel Code with Neha and press the Bell Icon for Regular Updates See you in the next video till then Stay Safe Stay Happy #mysqlunion #mysqlunionoperator #unionoperatorinmysql #unionoperator #howtouseunionoperator #howtouseunionoperatorinmysql #unionandunionall #unionandunionallinmysql #unionandunionallinsql #unionvsunionall #unionvsunionallinmysql #unionvsunionallinsql #unionallinmysql #unionallinsql #mysql #mysqltutorial #mysqltutorialforbeginners #sqltutorial #sqltutorials