Does the SQL Server Agent affect the performance of SQL Server? - sql-server

Does the SQL Server Agent affect the performance of SQL Server?
Do I need to stop it to increase SQL Server speed!
If yes, please give me more details

The SQL Server Agent is a service which executes any jobs you have configured on the server. It will not inherently affect performance itself, as it's not running most of the time.
When it runs a job, the performance hit will be identical to if you were running the items in the job yourself.
If you were to disable it, you wouldn't be able to run any jobs. Probably not a great idea.

Related

How to force a cleanup job on SQL Server Express

So I'm using SQL Server as Azure DevOps database and there's a 10 GB limit which I didn't know and is now reached. So the obvious solution is to use a proper SQL Server instead - I know.
However for now (this is an emergency) I need a quick and dirty solution, so I deleted a bunch of stuff in Azure DevOps, but it has no effect. Is there a way in SQL Server Express to force the cleanup job that presumably runs once a day so that some memory is freed?

SQL Server : run query on server instead of local computer

I think this should be simple but I cannot really find a way to do it. I have some devs connecting to a remote SQL Server 2017 using SQL Server Management Studio. Sometimes they need to run queries that take several hours to complete.
However, their laptops go to sleep if they leave them overnight which sometimes breaks the process. I do not want them to RDP to the server. Is there a way (without server/SQL admin intervention) for their queries to run persistently on the server instead of their local laptops?
I know, they could just set up their laptops to just do not go to sleep. However, that is a security policy in the company and it is a huge pain in the butt to ask for a laptop to be excluded from it.
Any suggestion is welcome.
Thanks!
What kind of database is it? For example... If an MS SQL Server then you can use an SQL Server Agent which run scheduled jobs (with tasks). Is it Azure? Then use an Elastic Job. Figure that out first before you waste your time looking into a tool that is not right for your database.

How to get script run to the end even when closing connection?

Is it possible for script to run on its own on sql server when connection closes without sql server agent?
I'd like to start for example long insert script from ETL and have it run through the night without logging into remote server and running that there.
SQL Server Agent is doing the work at the moment but it would be nice to dynamically adjust those scripts in ETL software without having to change job steps in agent.
Hope there is just some obvious trick which hasn't crossed my mind :)

Program SQL Server 2008R2 to keep retrying a query until all relevant databases are done restoring

Sometimes our analytics server goes down and I have to use our failover server (I know, I know...). Unfortunately the tables in that server restore every 10 minutes. Is there a way to program SQL to check if a table is being restored and, if so, to periodically retry until it is?

SQL Server Express seems to run queries much slower than SQL Server

I have both SQL Server and SQL Server Express installed on my desktop PC, and have the AdventureWorks database installed out-of-the-box separately for each.
When I run the same application against the AW database on SQL Server Express, each query takes more than twice as long to complete. These are simple queries - not particularly demanding. None of the processor cores are under any significant load.
This has surprised me. I would expect that the (commercial) SQL Server would run faster in an enterprise environment with thousands of users: I would not expect to see any difference in performance for a single-user running a very simple set of queries on a local database.
Has anyone else had a similar experience, or can shed any light on what might be going on here? Thanks.
SQL Server Express is limited to use a single CPU and 1GB RAM, so that could be causing the queries to run slower than the paid editions.

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