One of the benefits of running SQL on virtual environment is the capability to present additional vCPUs to the virtual server online and real-time without interruption to running processes. Our VM administrator normally presents only 1 vCPU on the virtual server and extends as required. This article describes how SQL Server is able to detect hot-added vCPUs in my virtual server.
Download the latest preview of the the next SQL Server version for testing.
Steve Jones looks back at a networking event this week in Charlotte. Networking is valuable to your career and it can be a tremendous amount of fun as well.
Dave Lumley presents a Reporting services disaster recovery solution for SQL Server Standard Edition, using 2 servers. Worth the read if you don't run Enterprise.
During weekend maintenance, members of the support team executed an UPDATE statement against the database on the OLTP Server. This database was a part of Transactional Replication, and once the UPDATE statement was executed the Replication procedure came to a halt with an error message. Satnam Singh decided to work on this case and try to find an efficient solution to rebuild the procedure without significant downtime.
Are we thinking cloud first for database servers? Steve Jones reflects on predictions made four years ago and thinks about how the world has changed for the cloud.
Having described tables, Joe Celko explains how to make them work together as a database and touches on what Entity Relationships and Views are.
A common issue I've run into while helping with SQL Server Failover Cluster (FCI) installations is the failure of the Network Name. In the following post I'll discuss a bit of background, the common root cause, and how to resolve it.
Is SQL Server going to move to the "cloud?" Steve Jones thinks it is and has a few thoughts as he starts off with "cloud week" here at SQLServerCentral.
Data pages read from disk are placed in the buffer pool with the intention that they will be reused, and accessing them from RAM is faster than from disk. Knowing how much of your RAM is committed to each database can help you provision the right amount of RAM to SQL Server, and also to identify rogue queries that draw too much data into RAM and force data from other databases out of the cache.
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
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There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers