Category Archives: T-SQL
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Using Snippets
Leave a commentOctober 17, 2016 by Kenneth Fisher
A while ago I talked about Templates. This is an easy way to get a, well, template of a piece …
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Too many indexes!
6October 13, 2016 by Kenneth Fisher
Indexes are great. They speed up our queries. In fact, without them relational database systems wouldn’t work. Different indexes work …
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Floor, Round, and Ceiling
5October 5, 2016 by Kenneth Fisher
I saw an interesting question today about rounding. Specifically they always wanted to round down. Now as it happens that …
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A quick fix for a full identity column.
2September 21, 2016 by Kenneth Fisher
A while back I wrote a post on everything I knew about identity columns. In it I mentioned the following: …
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Using an ORDER BY in a view
27September 19, 2016 by Kenneth Fisher
For many years it’s been a best practice to never put an ORDER BY in a view. The idea is …
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RBAR vs Batch
10August 17, 2016 by Kenneth Fisher
Many years ago Jeff Moden (of SQL Server Central fame) came up with the concept of RBAR. Row-By-Agonizing-Row. At it’s …
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Azure: What’s the difference between SQL Database and SQL Server?
5August 9, 2016 by Kenneth Fisher
If you want to blog T-SQL Tuesday is a great way to get started. On the first Tuesday of each …
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What’s the difference between LEFT and RIGHT OUTER JOINs?
1August 3, 2016 by Kenneth Fisher
A DBA walked into a bar, saw a couple of tables, and asked “Can I JOIN you?” There are several …
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Using impersonation to allow a task without granting the required permission.
9August 1, 2016 by Kenneth Fisher
I use impersonation on a regular basis for a number of different tasks. This one is pretty basic but can …
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Finding, disabling and enabling foreign keys
3June 29, 2016 by Kenneth Fisher
Foreign keys are a classic method of enforcing RI (Referential Integrity). Unfortunately though, they can get in the way if …
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SQL Studies 