MySQL gives fluctuating row count when I query schema?

Question

Here I am pressing up and running the same command on my dev DB on my laptop, over and over;

mysql> select count(*) from tblTraceOutput;
+----------+
| co         


        

Answer 1

If you're using InnoDB as the storage engine, the number of rows is an estimate.

For InnoDB tables, the row count is only a rough estimate used in SQL optimization. 

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