OnlineIndexOperation Element (DTA)
Applies to: 
SQL Server
Specifies whether the indexes, indexed views, or partitions that Database Engine Tuning Advisor recommends can be created online.
Syntax
<DTAInput>
...code removed...
<TuningOptions>
<OnlineIndexOperation>...</OnlineIndexOperation>
Element Characteristics
| Characteristic | Description |
|---|---|
| Data type and length | string, no maximum length. |
| Allowed values | OFF No recommended physical design structures can be created online. ON All recommended physical design structures can be created online. MIXED Database Engine Tuning Advisor attempts to recommend physical design structures that can be created online when possible. Use one of these values with this element. If indexes are created online, the keyword ONLINE = ON is appended to its object definition. |
| Default value | None. |
| Occurrence | Optional. If used, can only be used once for the TuningOptions element. |
Element Relationships
| Relationship | Elements |
|---|---|
| Parent element | TuningOptions Element (DTA) |
| Child elements | None. |
Example
For a usage example of this element, see the Simple XML Input File Sample (DTA).