- 20 INFORMATION_SCHEMA Tables
- 20.1 The INFORMATION_SCHEMA SCHEMATA Table
- 20.2 The INFORMATION_SCHEMA TABLES Table
- 20.3 The INFORMATION_SCHEMA COLUMNS Table
- 20.4 The INFORMATION_SCHEMA STATISTICS Table
- 20.5 The INFORMATION_SCHEMA USER_PRIVILEGES Table
- 20.6 The INFORMATION_SCHEMA SCHEMA_PRIVILEGES Table
- 20.7 The INFORMATION_SCHEMA TABLE_PRIVILEGES Table
- 20.8 The INFORMATION_SCHEMA COLUMN_PRIVILEGES Table
- 20.9 The INFORMATION_SCHEMA CHARACTER_SETS Table
- 20.10 The INFORMATION_SCHEMA COLLATIONS Table
- 20.11 The INFORMATION_SCHEMA COLLATION_CHARACTER_SET_APPLICABILITY Table
- 20.12 The INFORMATION_SCHEMA TABLE_CONSTRAINTS Table
- 20.13 The INFORMATION_SCHEMA KEY_COLUMN_USAGE Table
- 20.14 The INFORMATION_SCHEMA ROUTINES Table
- 20.15 The INFORMATION_SCHEMA VIEWS Table
- 20.16 The INFORMATION_SCHEMA TRIGGERS Table
- 20.17 The INFORMATION_SCHEMA PLUGINS Table
- 20.18 The INFORMATION_SCHEMA ENGINES Table
- 20.19 The INFORMATION_SCHEMA PARTITIONS Table
- 20.20 The INFORMATION_SCHEMA EVENTS Table
- 20.21 The INFORMATION_SCHEMA FILES Table
- 20.22 The INFORMATION_SCHEMA PROCESSLIST Table
- 20.23 The INFORMATION_SCHEMA REFERENTIAL_CONSTRAINTS Table
- 20.24 The INFORMATION_SCHEMA GLOBAL_STATUS and SESSION_STATUS Tables
- 20.25 The INFORMATION_SCHEMA GLOBAL_VARIABLES and SESSION_VARIABLES Tables
- 20.26 The INFORMATION_SCHEMA PROFILING Table
- 20.27 Other INFORMATION_SCHEMA Tables
- 20.28 Extensions to SHOW Statements
The COLLATIONS table provides
information about collations for each character set.
INFORMATION_SCHEMA
Name |
SHOW
Name |
Remarks |
COLLATION_NAME |
Collation |
|
CHARACTER_SET_NAME |
Charset |
MySQL extension |
ID |
Id |
MySQL extension |
IS_DEFAULT |
Default |
MySQL extension |
IS_COMPILED |
Compiled |
MySQL extension |
SORTLEN |
Sortlen |
MySQL extension |
COLLATION_NAMEis the collation name.CHARACTER_SET_NAMEis the name of the character set with which the collation is associated.IDis the collation ID.IS_DEFAULTindicates whether the collation is the default for its character set.IS_COMPILEDindicates whether the character set is compiled into the server.SORTLENis related to the amount of memory required to sort strings expressed in the character set.
Collation information is also available from the
SHOW COLLATION statement. The
following statements are equivalent:
SELECT COLLATION_NAME FROM INFORMATION_SCHEMA.COLLATIONS [WHERE COLLATION_NAME LIKE 'wild'] SHOW COLLATION [LIKE 'wild']
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