I strongly suggest that you first watch it before we continue on today’s topic of SQLOS Scheduler and the Process States.
SQL SERVER – Database going to Recovery Pending Automatically and Coming Back
I love connecting community via various channels. One of my clients explained an interesting issue to me. He explained that he has a production database which is going to Recovery Pending state by itself and without any user intervention, it’s coming back as well.
Interview Question of the Week #056 – How to fix Installation Failure – Rule “Setup account privileges” Failed in SQL Server
Sometimes in the interviews I observe that users are able to answer all the theoretical questions correct but when it is about doing practical they fail. A while ago, when I was helping a large organization with interview, suddenly their DBA reported that one of their server has installation error.…
Read MoreSQL SERVER – 2016 Error Reasons: Msg 10778, Level 16 Foreign key relationships between memory optimized tables and non-memory optimized tables are not supported
When I was writing the blog SQL SERVER 2016 – InMemory OLTP support for Foreign Key, it felt like a great addition to SQL Server. I felt there must be something that I might be missing as the obvious. I was not wrong in that feeling too. One of my…
Read MoreSQL SERVER – Add failover cluster node fails with “number of cluster nodes supported for edition”
A lot of my blog readers contact me via comments and I try my best to reply to all of them. Sometimes issue is so interesting that I ask them to contact via email. This blog is result of such an interaction. Asif (name anonymized) was trying to Add third…
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SQL SERVER – Why is My Query Switching to Row Processing and Not Doing Batch Processing?
Some of the learnings can lead to another exploration when someone does stump you with something you didn’t know. To understand the basics of batch mode and row mode, read the blog SQL SERVER – ColumnStore Index – Batch Mode vs Row Mode where I have explained the concepts. This…
Read MoreInterview Question of the Week #055 – How to Convert ASCII to DECIMAL or DECIMAL to ASCII?
Question: How do you convert ASCII to DECIMAL or DECIMAL to ASCII? Answer: ASCII – Returns the ASCII code value of the leftmost character of a character expression. CHAR – Fixed-length non-Unicode character data with length of n bytes. Examples: --Decimal to ASCII SELECT CHAR(80)+CHAR(73)+CHAR(78)+CHAR(65)+CHAR(76) ASSQLAuthorityAuthor GO --ASCII to Decimal…
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