How do I convert MyISAM table to InnoDB?

How do I convert MyISAM table to InnoDB?

Follow steps:

  1. Use MySql commands as follows, for converting to InnoDB (ALTER TABLE t1 ENGINE = InnoDB) or (ALTER TABLE t1 ENGINE = MyISAM) for MyISAM (You should do this for each individual tables, t1 is for the table name.).
  2. Write a script that loops on all tables and run the alter command.

How do I convert all tables to InnoDB?

To do this, login to your MySQL/MariaDB from CLI and run below query. AND table_schema = ‘mydb’; Replace mydb with your actual database name. This will give you a list of tables in the database mydb using MyISAM and the queries you need to use for converting them into InnoDB.

How do I convert to InnoDB?


  1. Log in to your phpmyadmin. The address is usually, http(s)://www.example.com/phpmyadmin.
  2. change one of the db rows. In this example I will change “orderrader” to InnoDB.
  3. Simply go to “Operations”
  4. Change this value to InnoDB.
  5. And you’re done. Simple as that!

Which is better MyISAM or InnoDB?

InnoDB can be used for row level locking, that means it gives higher performance as compared to MyISAM. InnoDB can be used for both data and index for a large buffer pool. InnoDB can be used when we need better performance than MyISAM.

Is InnoDB faster than MyISAM?

It’s also worth mentioning that InnoDB supports row-level locking, while MyISAM only supports table-level locking – which is to say that for many common situations, InnoDB can be dramatically faster due to more queries executing in parallel. The bottom line: Use InnoDB unless you absolutely have to use MyISAM.

Does MyISAM support foreign keys?

6.2 Tutorial: Generating Foreign Keys with MyISAM. However, the older MyISAM storage engine does not include support for foreign keys. This means that MyISAM tables that are reverse engineered will not automatically have the relationship lines drawn between tables, making the database harder to understand.

Is MyISAM faster than InnoDB?

In terms of data queries (SELECT), InnoDB is the clear winner, but when it comes to database writes (INSERT and UPDATE), MyISAM is somewhat faster. However, the lower speed of InnoDB is more than compensated for by its transaction protocol.

Where are MySQL triggers stored?

Where are triggers stored? Triggers are stored in the mysql. triggers system table, which is part of the data dictionary.

How to convert all tables from MyISAM into InnoDB?

Run this SQL statement (in the MySQL client, phpMyAdmin, or wherever) to retrieve all the MyISAM tables in your database. Replace value of the name_of_your_db variable with your database name. Then, copy the output and run as a new SQL query. That worked nicely! I’ve put it into an example shell script here: shrubbery.mynetgear.net/c/display/W/…

How to convert MySQL storage engine to InnoDB?

You can convert MyISAM to InnoDB fairly easily. This example is below is using the wp_comments table. 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.

Which is better for WordPress, MyISAM or InnoDB?

One of the biggest reasons that large-scale WordPress sites slow down is because their database hasn’t been optimized. A lot of older sites are still using the MyISAM storage engine in their database. Over recent years, InnoDB has shown to perform better and be more reliable.

How can I see if MyISAM is still used in MySQL?

Login to phpMyAdmin and click into your mySQL database. Do a quick scan or sort of the “Type” column and you can see which Storage Engine types your tables are using. In this example below, you can see that two of the tables are still using MyISAM. Alternatively, you could run a query to see if any myISAM tables exist.