Slow running queries are one of the most common problems in every organization dealing with huge amounts of data. And the most challenging problem, in almost all the clients, I work with, is how to find the queries running slow and figuring out what is the actual cause behind the performance problem. Thankfully, the solution, in most cases, is simple.
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The SQL Server Query Processing Engine is the most complex and sophisticated part of SQL Server. This engine has many responsibilities, but one of the most important parts is to design the query execution plan and execute it in a best and most efficient possible manner.
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Microsoft SQL Server has many important features when it comes to file structures. Generally speaking, DBAs often ignore file structures and growth configurations. More specifically, the SQL Server Log files are often left at default values and never touched, even when they begin to cause problems caused. These Log files are important and critical part of the database, especially when it comes to large systems.
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As a Microsoft SQL Server Database Consultant, I have to visit multiple companies with variety of SQL Server versions and patch level. Generally speaking, we need to analyze the environment of these clients and get information about the infrastructure. To do so, we have to run multiple scripts and tools on almost all the machines at client. Though it’s a part of our job but at times it takes hours to get even the basic information about the SQL Server versions, patch level, configuration and small details which even client does not have.
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SQL Server 2016 is the most advanced version of Microsoft’s Data Platform released yet. This is obviously my favorite one as it has tremendous capabilities and enormous features. These new additions not only enhance the productivity of its users (Database Developer, DBA or Application Developer), but also enable the enterprise to use its data more effectively and efficiently.
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I came across a strange and rare situation at a client recently, where they asked me to resolve a problem on Microsoft SQL Server but did not give me any credentials to connect to the system. I asked them to state the actual problem and the reply was “we lost all credentials”. A number of questions started to generate in my mind. How are applications running? The Answer was “The application login is embedded in a DLL and it’s a third party application which we don’t have support”. How can you lose all the SQL Server credentials? The Answer “It was saved in a file and it was lost and the employee who knew it is no more working with the company”. Anyways, I had no choice but to have a solution for this strange problem.
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SQL Server is a very powerful tool and wherever I go, I see the tool being way much underutilized. Some people even don’t know about the features which are already in the SQL Server and they have not used it, like SQL Server Extended Events. Though, Extended Events is a way more complex and detailed topic which I cannot cover in just one article I will discuss one of its very good utilities out of the countless.
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As DBAs, we all get to the point where we are asked to setup a new server for a specific environment. Setting up a new server is not a big thing but giving the answer to the question that “how well it will work” might be tricky.
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Often we install SQL Server on clients or we get to clients where they have pre-installed SQL Server Instances. As a DBA we have the Primary responsibility of keeping the Database Up and Running. This responsibility leads to optimizing, performance tuning and many other stuff related to database’s internal objects. While keeping the other aspects in mind many of us have to go through the configuration of the newly installed or pre-installed but un-configured instances. Configuring SQL Server newly instances are not an easy task and a DBA might want to configure an Instance in many ways.
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As we progress in our career as a SQL Server Database Administrators we encounter situations where managing and monitoring a large number of SQL Servers is the daily job requirement. Monitoring SQL Server is a very vast and detailed area of study. Out of all the monitoring the very basis and critical monitoring in the Resource Utilization Monitoring for SQL Server.
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As DBAs, we all face a lot of challenges while performing the migration of SQL Server databases from one server to another or even the whole servers at some times. The Database Migration process is not always a simple Backup and Restore process so we might need a huge amount of effort if we have to migrate objects which are not included in the native backups for a specified database, these objects are called Non-Contained Objects.
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