Msg 1917, Level 16, State 1, Line 1
Cannot create, rebuild or drop an index on a local temporary table online. Perform the index operation offline.
This error message appears when you try to create an index online for a local temporary table.
The T-SQL statement can be parsed, but causes the error at runtime.
Error of the Severity Level 16 are generated by the user and can be fixed by the SQL Server user. The statement cannot be executed this way. The index operation must be executed offline.
This error message was introduced with SQL Server 2005.
IF OBJECT_ID(‘tempdb.#t’) > 0
DROP TABLE #t
CREATE TABLE #t
CREATE CLUSTERED INDEX CIX_t_c1
WITH (FILLFACTOR = 80,
PAD_INDEX = ON,
ONLINE = ON);
In the above example we try to create an index online for a local temporary table. This raises the error.