To Drop ll index in Table by T-SQL i will Create SP to do this Task
CREATE PROCEDURE [dbo].[Utils_DeleteAllIndexesOnTable]
— Add the parameters for the stored procedure here
@TableName VarChar(100)
AS
BEGIN
Declare @IndexName varchar(100)
DECLARE index_cursor CURSOR FOR
SELECT name FROM sysindexes where id = object_id(@TableName)
AND NAME IS NOT NULL and ROWS > 0
OPEN index_cursor
— Perform the first fetch.
FETCH NEXT FROM index_cursor into @IndexName
WHILE @@FETCH_STATUS = 0
BEGIN
if left(@IndexName,2) = ‘PK’
BEGIN
print ‘drop constraint ‘ + @IndexName + ‘ on ‘ + @TableName
Exec( ‘ALTER TABLE ‘ + @TableName +
‘DROP CONSTRAINT ‘ + @IndexName )
END
ELSE
BEGIN
— This is executed as long as the previous fetch succeeds.
print ‘drop index ‘ + @IndexName + ‘ on ‘ + @TableName
Exec(‘drop index ‘ + @IndexName + ‘ on ‘ + @TableName)
END
FETCH NEXT FROM index_cursor into @IndexName
END
CLOSE index_cursor
DEALLOCATE index_cursor
END
Execute your Stored Procedure but don’t Forget to pass the Table name as parameter to SP
exec [Utils_DeleteAllIndexesOnTable] Your_Table_Name