如何查看MySQL数据库/表/列的字符集？

Question

什么是(默认)字符集：

• MySQL数据库
• MySQL表
• MySQL柱

Answer 1

我就是这么做的-

对于模式(或数据库-它们是同义词)：

SELECT default_character_set_name FROM information_schema.SCHEMATA 
WHERE schema_name = "schemaname";

表：

SELECT CCSA.character_set_name FROM information_schema.`TABLES` T,
       information_schema.`COLLATION_CHARACTER_SET_APPLICABILITY` CCSA
WHERE CCSA.collation_name = T.table_collation
  AND T.table_schema = "schemaname"
  AND T.table_name = "tablename";

栏：

SELECT character_set_name FROM information_schema.`COLUMNS` 
WHERE table_schema = "schemaname"
  AND table_name = "tablename"
  AND column_name = "columnname";

Answer 2

对于列

SHOW FULL COLUMNS FROM table_name;

Answer 3

对于数据库，

USE your_database_name;
show variables like "character_set_database";
-- or:
-- show variables like "collation_database";

请参阅此页。并查看MySQL手册