0
votes
1answer
73 views

Reporting Services TempDB lock blocking report generation

Two days ago one of our reports in Reporting Services started to take much longer to generate. Its generation time had increased from 4 seconds to 2 minutes. Investigation found: The Stored ...
14
votes
2answers
488 views

Lock CREATE TABLE

In another application I was struck by bad design: multiple threads execute an EnsureDatabaseSchemaExists() method concurrently, which looks basically like this: IF NOT EXISTS (SELECT * FROM ...
1
vote
1answer
56 views

Locks in SQL Server - Update/Select

I am new to SQL Server and am not sure about how the locking mechanism works here. Please help Issue: Need to delete close to 5 mil records in a table. A website pulls data from that table quite ...
1
vote
0answers
33 views

Does SQL Server place shared locks on scanned records when using REPEATABLE READ [duplicate]

Assume a SQLCmd session which is using transaction isolation level REPEATABLE READ. In this session I start a transaction and execute an UPDATE statement with a WHERE clause on a non indexed column. ...
1
vote
0answers
222 views

Transactional Replication Snapshots causing serious locking after 2012 upgrade

I am experiencing serious locking when adding new articles to an existing transactional replication publication, which is hanging the website. This is the first time I have attempted this since I ...