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How to check if MySQL table is UTF-8 and has storageEngine InnoDB?

开发者 https://www.devze.com 2023-03-08 07:51 出处:网络
Googling around just finds instructions for changing from one format to another, but I can\'t seem to find how exactly to make sure which of开发者_StackOverflow社区 these I have first.

Googling around just finds instructions for changing from one format to another, but I can't seem to find how exactly to make sure which of开发者_StackOverflow社区 these I have first.

How can I:

  1. Check what character encoding a table has?
  2. Check what storage engine a table uses?
  3. Check if all tables are certain encoding?
  4. Check if all tables have a certain storage engine?


You can use information_schema in order to know the engine of each table.

select table_name,engine 
from information_schema.tables
where table_schema = 'your_database'

For the encoding you can use

show create table table_name

or, even better

select 
c.character_set_name 
from information_schema.tables as t,
     information_schema.collation_character_set_applicability as c
where c.collation_name = t.table_collation
and t.table_schema = "your_db"
and t.table_name = "table_name";
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