Deleting a Range Partition or Subpartition

Remove one or more range partitions or subpartitions from a table. You cannot delete the last remaining partition on a table. Use Unpartition instead.

Prerequisites
Database Version Table Partition Privileges
SAP Sybase IQ 15.3 and 15.4 Table owned by self – none.
Table owned by other users – you must have one of:
  • DBA authority
  • ALTER permission on the table
SAP Sybase IQ 16.0 Table owned by self – none.
Table owned by other users – you must have one of:
  • ALTER ANY TABLE system privilege
  • ALTER ANY OBJECT system privilege
  • ALTER permission on the table
Task
Warning!  Deleting a partition deletes the data contained in the partition from the table. To remove a partition without losing the data, either merge the partition or unpartition the table.
  1. In the Perspective Resources view, select the resource, and select Resource > Administration Console.
  2. In the left pane, expand IQ Servers > Schema Objects > Tables, and then select Tables.
  3. Select an IQ main store table from the right pane and either:
    • Click the arrow to the right of the name and select Properties, or
    • From the Administration Console menu bar, select Resource > Properties.
    The Table Properties view appears.
  4. In the left pane, select Partitions.
  5. In the right pane, select one or more partitions from the list and click Delete. The selected partitions are removed from the list but they are not yet deleted.
    • Delete is unavailable if the partition type is hash or the partition only contains one range subpartition.
    • Use Shift-click or Control-click to select multiple partitions.
    • When selecting multiple partitions, Delete becomes unavailable if all partitions are selected. Deselect at least one partition for Delete to become available again.
  6. Do one of:
    • Click OK to update any changes to the database and exit the properties view.
    • Click Apply to update any changes to the database, but remain in the properties view.
    • Click Cancel to cancel any changes not updated to the database and exit the properties view.
Related tasks
Creating a Range Partition on an Existing Table
Creating a Range Subpartition to an Existing Hash-Range Partitioned Table
Unpartitioning a Table
Rebuilding a Hash or Hash-Range Partitioned Table
Merging Partitions
Splitting a Partition
Moving a Partition
Managing Column Storage in a Table Partition
Viewing or Modifying Table Partition Properties
Authenticating a Login Account for a Managed Resource
Related reference
Table Partition Privilege Summary