Part 6 of my SQL Server Interview questions and answers covers SQL Server 2008, starting with what the master, msdb, model, tempdb and resource databases do.
SQL SERVER – 2008 – Interview Questions and Answers Part 4
SQL Server 2008 Interview Questions and Answers Part 4: which command shows the version of SQL server and operating system, what SQL Server Agent is, and more.
SQL SERVER – Interview Questions and Answers – Part 2
This is the second part of the blog post series Interview Questions and Answers.Click here to get free chapters (PDF) in the mailbox
IN With NULL: Show the Unknown Comparison
IN with NULL can produce UNKNOWN instead of false. Compare a positive match, an unmatched value and a missing input without hiding the truth state.
COMPRESS and DECOMPRESS: Restore Text With Its Original Type
COMPRESS and DECOMPRESS return binary data, so I restore text with its original character type explicitly. A decompressed value is not automatically a readable string. Its bytes still need the correct interpretation.
SQL SERVER – Few Useful DateTime Functions to Find Specific Dates
Useful DateTime functions from Vivek Jamwal: find today, yesterday, and the first and last day of the current or last week and month with DATEADD.
SQL SERVER – 2008 – Introduction to Merge Statement – One Statement for INSERT, UPDATE, DELETE
The SQL Server 2008 Merge Statement does INSERT, UPDATE and DELETE in one statement and reads the data only once. An introduction to how it works and its syntax.