Mysql Explain Different Results Same Database

The EXPLAIN keyword shows you what the database will do currently our explain looks like this. NO SQL indicates that the routine contains no SQL statements.

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Type shows us that we are using all entries in the table.

. This is the default if none of these characteristics is given explicitly. Examples of such statements are SET x 1 or DO RELEASE_LOCKabc which execute but neither read nor write data. Rows say that we are reading 15 rows which are all rows in the table and we are using filesort which is not pretty fast.

CONTAINS SQL indicates that the routine does not contain statements that read or write data.

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