Which is clear about mysqlexplain?

With the help of explain, you will know when to add an index to the table to use the index to search for records so that select can run faster. If the index is improperly used, you can run analyzetable to update the statistical information of the table, such as the base of the key, which can help you make better choices in terms of optimization. Explain

With the help of explain, you will know when to add an index to the table to use the index to search for records so that select can run faster. If the index is not properly used, you can run analyze table to update the statistical information of the table, such as the base of the key, which can help you make better choices in terms of optimization. Explain

With the help of explain, you will know when to add an index to the table to use the index to search for records so that select can run faster.
If the index is not properly used, you can run analyze table to update the statistical information of the table, such as the base of the key, which can help you make better choices in terms of optimization.

Explain returns a row of records, including... read the full text>

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