mysql set innodb default engine

The default engine is InnoDB in MySQL 5.7. You can specify the default engine by using the --default-storage-engine server startup option, or by setting the default-storage-engine option in the my. cnf configuration file.

1. How do I set my InnoDB engine?
2. How do I find my default engine in MySQL?
3. How do I change the engine in MySQL?
4. How do I change MyISAM to InnoDB in MySQL?
5. Why MyISAM gives the best performance?
6. What changes are made to triggers in new version of MySQL?
7. Which MySQL engine is best?
8. How can I tell if MySQL is using InnoDB?
9. How can I tell which database MySQL is using?
10. What Cannot have a trigger associated with it?
11. How do I change from InnoDB to Myisam?
12. What Cannot have a trigger associated with it MySQL?

How do I set my InnoDB engine?

Access phpMyAdmin and select your database. Then click on SQL, place the following query and click on Go: ALTER TABLE my_table ENGINE = InnoDB; If the query is executed properly, the database engine of the table will be changed to InnoDB.

How do I find my default engine in MySQL?

To determine the default database engine for your installation, type the following command at the mysql> prompt: SHOW ENGINES; A list of supported engines appears, along with a brief description and the supported features for each engine. The default database engine is marked DEFAULT in the Support column.

How do I change the engine in MySQL?

Login to phpMyAdmin. Navigate to database table whose storage engine you wish to change. Click on Operations tab, under Table options you would find drop down called Storage Engine. Select storage engine of your choice from the Storage Engine drop down and click on Go button.

How do I change MyISAM to InnoDB in MySQL?

Convert MyISAM to InnoDB with phpMyAdmin

Simply run the ALTER command to convert it to InnoDB storage engine. Note: We always recommend backing up your MySQL database before running any operations on it. ALTER TABLE wp_comments ENGINE=InnoDB; Ensure you are running MySQL 5.6.

Why MyISAM gives the best performance?

MyISAM is designed with the idea that your database is queried far more than its updated and as a result it performs very fast read operations. If your read to write(insert|update) ratio is less than 15% its better to use MyISAM.

What changes are made to triggers in new version of MySQL?

There are 6 different types of triggers in MySQL:

• Before Update Trigger: As the name implies, it is a trigger which enacts before an update is invoked. ...
• After Update Trigger: ...
• Before Insert Trigger: ...
• After Insert Trigger: ...
• Before Delete Trigger: ...
• After Delete Trigger:

Which MySQL engine is best?

What are they good at?

• InnoDB: The default option in MySQL 5.7, InnoDB is a robust storage engine that offers:
• MyISAM: The functionality that sets MyISAM apart is its capability for:
• NDB (or NDBCLUSTER): If a clustered environment is where your database will be working, NDB is the storage engine of choice.

How can I tell if MySQL is using InnoDB?

To determine whether your server supports InnoDB : Issue the SHOW ENGINES statement to view the available MySQL storage engines. mysql> SHOW ENGINES; Alternatively, query the INFORMATION_SCHEMA.

How can I tell which database MySQL is using?

The most common way to get a list of the MySQL databases is by using the mysql client to connect to the MySQL server and run the SHOW DATABASES command. If you haven't set a password for your MySQL user you can omit the -p switch.

What Cannot have a trigger associated with it?

Since triggers execute as part of a transaction, the following statements are not allowed in a trigger: All create commands, including create database, create table, create index, create procedure, create default, create rule, create trigger, and create view.

How do I change from InnoDB to Myisam?

Convert from INNODB to MYISAM

1. Take backup of Mysql database.
2. Run this sql query via terminal or in phpmyadmin for the database which you wish to convert into MYISAM.

What Cannot have a trigger associated with it MySQL?

MySQL trigger limitations

MySQL triggers cannot: Use SHOW , LOAD DATA , LOAD TABLE , BACKUP DATABASE, RESTORE , FLUSH and RETURN statements. Use statements that commit or rollback implicitly or explicitly such as COMMIT , ROLLBACK , START TRANSACTION , LOCK/UNLOCK TABLES , ALTER , CREATE , DROP , RENAME.