WebApr 5, 2024 · Run the script at the end of this post to populate a test database with two tables, an indexed view and some data. Run bcp out to export the test data from the table … WebFeb 3, 2024 · An indexed view is created with SCHEMABINDING and from that very moment on you can not make any design/definition changes on the base table(s) and that includes a TRUNCATE/DROP TABLE command as well. And yes, loading data to base table(s) will slow down, because the index on the has to be maintained in the same way as the table indexes.
TRUNCATE - Oracle
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WebALTER INDEX REBUILD on an truncated and therefore empty table serves no purpose, so you need to amend your Plan A. It should be: TRUNCATE; Insert ; ALTER INDEX REBUILD; It might stil be slow, but at least you get sharp indexes. Plan B is fine. Test all three and see which is fastest and which gives the least index fragmentation. WebAug 24, 2024 · The TRUNCATE command will reseed (reset) the identity values for the table. Having foreign keys and/or indexed views has no effect on the DELETE command as long as the rows you are trying to delete are not referenced by other tables. Foreign Keys and Indexed views You cannot use the TRUNCATE command if the table is referenced by a … WebSep 11, 2014 · For example, to find the primary key constraint (clustered or nonclustered) I use the sys.indexes system view with is_primary_key = 1 plus the index_id being either 1 (clustered) or index_id > 1 (nonclustered) to locate this. Just a hint: Clustered index_id = 1, a heap index_id = 0 (not an index) and a nonclustered index uses ID > 1 always. each save no bad history