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Best Practice for renaming a SQL Server Database

One of the Junior SQL Server Database Administrator in my company approached me yesterday with a dilemma. He was assigned a task to rename few of the databases in Beta and Production environments; the reason being the database name was based on some other project that is no longer relevant to the data which is presently stored within the database. At first I started to tell him, but figured it would be smarter to document the same and share the information.

2009-12-08

6,195 reads

External Article

SQL Server Encryption Symmetric vs. Asymmetric Keys

I need to encrypt my data within SQL Server and I plan on using the built-in encryption functionality in SQL Server 2005 and 2008. However, I'm looking at symmetric and asymmetric key algorithms and while I see information saying to use symmetric keys, I don't understand why. What's the difference between the two and why is a symmetric key algorithm preferred over the asymmetric key ones?

2009-12-02

3,414 reads

External Article

SQL Server Integration Services (SSIS) - Troubleshooting Best Practices

In the previous tips (SQL Server Integration Services (SSIS) - Best Practices - Part 1 and Part 2) of this series I briefly talked about SSIS and a few of the best practices to consider when designing SSIS packages. Continuing on the same rhythm I am going to discuss some more best practices for SSIS package design, how you can design high performing packages with parallelism, troubleshooting performance problems etc.

2009-11-30

3,785 reads

External Article

Controlling Execution Plans with Hints

The Query Optimizer gets it right most of the time, but occasionally it chooses a plan that isn't the best possible. You can give the Query Optimiser a better idea by using Table, Join and Query hints. These come with a risk: Any choices you force on the Optimizer by using hints can turn out to be entirely wrong as the database changes with the addition of data over time. Grant Fritchey, in a chapter from his highly acclaimed book, explains further.

2009-11-25

3,275 reads

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Question of the Day

Using OPENJSON

I have some data in a table that looks like this: 

BeerID BeerName    brewer               beerdescription
1      Becks       Interbrew            Beck's is a German-style pilsner beer 
2      Fat Tire    New Belgium          Toasty malt, gentle sweetness, flash of fresh hop bitterness.
3      Mac n Jacks Mac & Jack's Brewery This beer erupts with a floral, hoppy taste
4      Alaskan Amber Alaskan Brewing     Alaskan Brewing Amber Ale is an "alt" style beer
8      Kirin       Kirin Brewing         Kirin Ichiban is a Lager-type beer
If I run this, what is returned? 
select t1.[key]
    from openjson((select t.* FROM Beer AS t for json path)) t1

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