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Use the Collation dialog to define a collation. A collation is an SQL schema object that maps a SQL name to operating system locales. To create a collation, you must have a CREATE privilege on the destination schema.
The Collation dialog organizes the development of a collation through the following dialog tabs: General and Definition. The SQL tab displays the SQL code generated by dialog selections.
Use the fields in the General tab to identify the collation:
Click the Definition tab to continue.
Use the fields in the Definition tab to specify the operating system locale settings:
Click the SQL tab to continue.
Your entries in the Collation dialog generate a SQL command (see an example below). Use the SQL tab for review; revisit or switch tabs to make any changes to the SQL command.
The following is an example of the sql command generated by user selections in the Collation dialog:
The example shown demonstrates creating a collation named french that uses the rules specified for the locale, fr-BI-x-icu. The collation is owned by *postgres.
Click the Info button (i) to access online help. View context-sensitive help in the Tabbed browser, where a new tab displays the PostgreSQL core documentation. For more information about setting a locale, see Chapter 22.1 Locale Support of the PostgreSQL core documentation:
Click the Save button to save work.
Click the Cancel button to exit without saving work.
Click the Reset button to restore configuration parameters.