TiDB supports all of the [numeric functions and operators](https://dev.mysql.com/doc/refman/5.7/en/numeric-functions.html) available in MySQL 5.7. | [`-`](https://dev ...
-- count function counts the number of records and return values, the number of records -- will remain same wheather we count using colname or * -- count function ignores null values use mavenmovies - ...
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