You can manage primary keys by using Sybase Central to help improve query performance on a table.
You must be the owner of the table, or have one of the following privileges:
In Sybase Central, use the SQL Anywhere 16 plug-in to connect to the database.
In the left pane, double-click Tables.
Right-click the table, and choose one of the following options:
|Create or alter a primary key||Click Set Primary Key and follow the instructions in the Set Primary Key Wizard.|
|Delete a primary key||In the Columns pane of the table, clear the checkmark from the PKey column and then click Save.|
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