Part 1 of my Data Warehousing interview questions and answers, starting with the basics: what a data warehouse is and how it supports decision making.
Replacing a Cursor With a Set-Based Query
Replacing a cursor with one set-based update can simplify row processing; this worked example shows correctness checks and fair timing.
SQL SERVER – Data Warehousing Interview Questions and Answers – Introduction
The start of my Data Warehousing Interview Questions and Answers series, beginning with the basics: what is data warehousing and why companies use it.
SQL SERVER – 2005 – Server and Database Level DDL Triggers Examples and Explanation
DDL triggers fire when someone changes the schema. How to write one, what EVENTDATA gives you, and how to get back in if one locks you out.
SQL SERVER – UDF – Function to Get Previous And Next Work Day – Exclude Saturday and Sunday
Inspired by a ColdFusion post by Ben Nadel, here is the UDF I use to get the previous or Next Work Day for any date, skipping Saturday and Sunday.
SQL SERVER – UDF – Get the Day of the Week Function
Get the day of the week as a name in SQL Server: a UDF using DATEPART with CASE, plus the simpler DATENAME(dw, GETDATE()) a reader suggested.
SQLAuthority News – FQL – Facebook Query Language
The Facebook API can be queried with FQL, the Facebook Query Language, which looks a lot like SQL. Here are its advantages and a sample query.
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