SQL Server with Mr. Denny:

Development


April 11, 2008  12:00 PM

Back To Basics: Logins and Users, what’s the difference?

Denny Cherry Denny Cherry Profile: Denny Cherry
SQL

Usually Logins and Users are words which are interchangeable with each other.  However in...

April 11, 2008  5:00 AM

Back To Basics: Functions, the good and the bad

Denny Cherry Denny Cherry Profile: Denny Cherry
SQL

Functions are create little blocks of code.  They are fantastic for converting data from one format to another, or for looking up other values based on a lookup.  However this comes at a price.  That price is CPU power.  Doing all these additional lookups can cause extra strain on the database...


April 10, 2008  8:00 PM

Back To Basics: Stored Procedures, the work horse of the database

Denny Cherry Denny Cherry Profile: Denny Cherry
SQL

Stored procedures are extremely useful objects.  Not only do they store T/SQL scripts for later execution, but they also provide us with an extremely important security barrier between the user interface and the database.  The security barrier is used to prevent the users from needing SELECT,...


April 10, 2008  3:00 PM

Back To Basics: Views, what exactly are they?

Denny Cherry Denny Cherry Profile: Denny Cherry
SQL

Views are strange objects.  They look like tables, can be queried like a table, but they don't store any actual data.  Think of them as a virtual table which has pointers back to the source tables.  Views can combine data from one or more tables via joins just like a select statement. Using...


April 10, 2008  10:00 AM

Back To Basics: Tables, without them we have nothing to do

Denny Cherry Denny Cherry Profile: Denny Cherry
SQL

Tables are the core of any database platform.  Without tables we would be able to process data, but we would have no way to store the data.  In the simplest terms tables look like Excel sheets.  They both have columns and rows.  When you view a table in the client tools it looks much like an...


April 7, 2008  11:00 AM

SQL Server 2008 changes the way that CONVERT/CAST works

Denny Cherry Denny Cherry Profile: Denny Cherry
SQL

Normally when running a query against a table and using a CAST or CONVERT function against a datetime field any index is made useless.  In SQL Server 2008 this problem is fixed.  Microsoft has come up with a way for SELECT statements which use CAST or CONVERT against a column of the datetime...


April 3, 2008  11:00 AM

New INSERT syntax in SQL Server 2008

Denny Cherry Denny Cherry Profile: Denny Cherry
SQL

One of the very cool new feature which SQL Server 2008 gives us is an change to the INSERT statement.  Now you can...


April 1, 2008  6:43 PM

New Article: Tips for scheduling and testing SQL Server backups

Denny Cherry Denny Cherry Profile: Denny Cherry
SQL

I've just published a new tip on SearchSQLServer.com called Tips for scheduling and testing SQL Server backups.  In it I'm talking...


March 31, 2008  10:00 AM

Back To Basics: The UPDATE Statement

Denny Cherry Denny Cherry Profile: Denny Cherry
SQL

After you've inserted the data into the table, it's time to update the data.  We do this by using the UPDATE statement. ...


March 27, 2008  8:21 PM

Joins vs. Exists vs. IN: Not all filters are created the same.

Denny Cherry Denny Cherry Profile: Denny Cherry
SQL

Not all filter commands are created equal.  Different filtering operations...


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