Hi . I am building a live chat using mysql and the database is updated because of users entries . So the number ow rows in the table changes constantly . And need to use a query which will select the rows that hasnt been selected.
SO how do I do that ?

Thank you in advance!!!

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what do u mean by "hasnt been selected"

It simply means in my other queries it hasnt been selected as a result that i wanted.

One query is not related to another query unless you execute both together in (one combined query).

You must have some flag in table to track the changes, buy using this flag u can filter your result.

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