DIFFERENCE BETWEEN WHERE AND HAVING IN SQL | SQL Interview Question | IQBees

Pubblicato il: 13 luglio 2022
sul canale di: IQBees

757

Hello Friends,

Difference between WHERE and HAVING is the most asked question in the interview. Most of us are aware about it but this video is for those who are new to sql or planning for an interview.

WHERE clause is used to specify a condition for filtering records before any groupings are made. While the HAVING clause is used to specify a condition for filtering values from a group

If WHERE and HAVING clause used together in a SELECT query then WHERE clause is used first to filter individual rows. The rows are then grouped, perform aggregate calculations, and finally, the HAVING clause is used to filter the groups.

Regards,
‪@IQBees‬

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DIFFERENCE BETWEEN WHERE AND HAVING IN SQL | SQL Interview Question | IQBees

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