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One reason I started this blog was just the idea of going through my catalog of scripts and reviewing them and sharing out what might be useful to people.
Here is a quick one I put together a while back. I was starting to work with a group of servers [at an unnamed company, always an unnamed company!]. Some of the instances had been configured long ago, and I found some linked servers where passwords had been hardcoded into the login mappings.
This can be a big security vulnerability, particularly if the option has been chosen to map all users to that login, and the login has significant powers on the other end of the linked server….
Also on the topic of SQL Agent jobs– each time I work with a new system, it can take a while to familiarize myself with what all the Sql Agent jobs do. Often there are quite a few jobs, and sometimes they have legacy names that either don’t describe what the job does very well anymore, or is just hard to understand.
Plus, I don’t like opening jobs in the SQL Agent itself very much, since it only opens in an ‘edit’ view. I very much prefer selecting job details out of the tables in msdb, it’s just safer.
Because of this, a while back I wrote a SQL script that takes a lot of descriptive information about a job in MSDB and pivots it out into a table. The table will automatically have as many columns as are required– I have a server where a job has 41 steps, so it’s got 41 columns for step, each in order.
[read on for sample code…]
I use the SQL agent a lot, and it is handy for a lot of things, but it can be frustrating to not be able to pass state information between steps.
For example, I have a job where I want to execute data verification steps against multiple tables. It makes sense to have the check for each table in its own step with a clear label to simplify troubleshooting– so when the job fails, you can see which step had an error and know from the name exactly what’s wrong. But I want all steps in the job to run, regardless of whether a step fails— I want to check for failure at the end.
The most basic way to do this is to have each job step log to a table. This isn’t really bad, but I’d rather not maintain a table for every job of this type. It leaves room for failure, it’s more to maintain, and it just feels redundant for the most part: all of the job history is tracked in MSDB anyway, shouldn’t I be able to use that?
Well, I think I can… [read on for sample code…]