Purpose
You can use this statement to modify the name or degree of parallelism (DOP) of an index.
Syntax
ALTER INDEX [ schema. ]index_name
{ parallel_clause
RENAME TO new_name
};
parallel_clause:
{ NOPARALLEL PARALLEL integer }
Parameters
| Parameter | Description |
|---|---|
| schema. | The schema where the index to be modified is located. If schema. is omitted, the index is in your own schema by default. |
| index_name | The name of the index to be modified. |
| new_name | The new name of the index. |
| parallel_clause | The DOP of queries on the index.
|
Examples
Change the DOP of the
tbl1_index1index to3.obclient> ALTER INDEX tbl1_index1 PARALLEL 3; Query OK, 0 rows affectedChange the name of the
tbl1_index1index totbl1_index2.obclient> ALTER INDEX tbl1_index1 RENAME TO tbl1_index2; Query OK, 0 rows affected
