Browse categories
PostgreSQL releases
- PostgreSQL 15 (beta1)
- PostgreSQL 14 (latest)
- PostgreSQL 13
- PostgreSQL 12
- PostgreSQL 11
- PostgreSQL 10
- PostgreSQL 9.6 (EOL)

Version charts

SQL commands
System catalog tables
System catalog views
System statistics views
File system functions

Contrib modules
Object Identifier Types
Progress reporting views
Storage parameters (relopts)

Useful overviews

xlog renaming in Pg 10
Online tools for PostgreSQL
Abbreviations and acronyms

Useful links

PostgreSQL documentation
PostgreSQL feature matrix
PostgreSQL versioning policy
PostgreSQL latest versions

@postgrespedia

Contents

Change history
References
Categories
See also

DROP COLLATION

An SQL command for removing a collation

DROP COLLATION is a DDL command for removing a collation.

DROP COLLATION was added in PostgreSQL 9.1.

Change history

PostgreSQL 9.1
- added (commit b313bca0)

DROP COLLATION has not been modified since it was added in PostgreSQL 9.1.

References

PostgreSQL documentation: DROP COLLATION

Categories

See also

CREATE COLLATION, ALTER COLLATION