You can upgrade the MCSA: SQL Server 2012/2014 certification to the MCSA: SQL 2016 Database Development certification through a single exam.The following questions specifically address the SQL certifications.Visit the certification overview or exam policies and FAQ pages for answers to general questions regarding Microsoft Certification or the exams.As new technology updates become available, you will see a variety of training also offered through Microsoft Learning Partners. But, if you ARE like me, and touch a lot of SQL code where there is a huge difference in site performance between a 1 second execution and 20ms execution, then sometimes you don’t have much of an option. It’s getting smarter and smarter at dealing with the majority of queries and keeping them within an even keel baseline. It helps to know the history of your SQL Server performance, but if you don’t there’s still hope using some troubleshooting techniques. With that said, I will go ahead and use the disclaimer that you SHOULD NOT use hints. You need to know how to write code so that it will not NEED hints. It’s an all hands on deck situation that you need to figure out quick.Performance Tuning When You CAN Fix the Queries – Your users are frustrated because the app is too slow, and you can change the SQL queries – but how?
Some common relational database management systems that use SQL are: Oracle, Sybase, Microsoft SQL Server, Access, Ingres, etc.
The Paris Agreement is an international treaty that seeks to reduce the emission of greenhouse gases.
The agreement is sponsored by the United Nations Framework Convention on Climate Change (UNFCCC) and seeks to limit temperature increases in the 21st century to below 2 degrees Celsius.
Why Queries are Sometimes Slow and Sometimes Fast – Most of the time, your SQL Server queries are fine – but every now and then, things just tank.
SQL (pronounced "ess-que-el") stands for Structured Query Language. According to ANSI (American National Standards Institute), it is the standard language for relational database management systems.