How to enable the MySQL slow query log?

How to enable the MySQL slow query log?

Log in to your server using SSH.

type the following command: mysql -u root -p

Type the MySQL root password.

log = ‘ON’;

Why are Union queries so slow in MySQL?

The main reason for the union sql running slower is that a union causes mysqld to create an internal temporary table. It creates just a table for a UNION ALL and a table with an index (to remove duplicates) for a UNION DISTINCT. Hope this helps. UNION ALL Optimization, using the UNION ALL clause.

What is MySQL Query caching?

indicates the server was configured for query caching when it was installed (the default).

size variable indicates the amount of memory allotted for the cache in bytes.

type variable range from 0 to 2.

What is query in MySQL?

This query illustrates several things about mysql: A query normally consists of an SQL statement followed by a semicolon. When you issue a query, mysql sends it to the server for execution and displays the results, then prints another mysql> prompt to indicate that it is ready for another query.

How to enable SSL for my MySQL?

the latest version at this time.

MySQL 5.7 generates a default root password for you when starting the service the first time.

Generate New Self-Signed Certificate Files.

Enable SSL for MySQL.

Enable Remote Connections.

Testing.

What does “binary string” mean in MySQL?

The BINARY attribute is a nonstandard MySQL extension that is shorthand for specifying the binary ( _bin) collation of the column character set (or of the table default character set if no column character set is specified). In this case, comparison and sorting are based on numeric character code values.

How to check the size of a database in MySQL?

Navigate to the database in the Schemas pane

Hover over the applicable database

etc.