The Ms Sql DBA is a chief aspect in the RDBMSsystem, it helps in storingnad retrieve data as per the platforms.
Become a professional in database administration by enrolling into experts curated MS SQL Server DBA training. This course will provide you with all the knowledge required to manage SQL databases as an administrator. In this MS SQL DBA training, you will gain fundamental knowledge of the concepts such as database design, database administration, implementation, maintenance, support and a lot more other concepts. As a part of this MS SQL DBA training, you will be working with real-world projects to gain practical exposure. Become a certified MS SQL Server DBA professional by enrolling into SK trainings.
To take up this MS SQL Server DBA course you need a basic knowledge of computer programming.
Microsoft SQL Server DBA is an RDBMS system developed by Microsoft and its main purpose is to store and retrieve the data as requested by applications. SK trainings offers a comprehensive SQL Server DBA training to provide you with complete knowledge of various concepts such as relational database, automation of SQL Server, SQL queries, database management, securing the database, etc. During the training, you will also be prepared for clearing the SQL Server DBA certification exam. Get the best SQL Server DBA training by joining SK trainings.
After completion of this SQL Server DBA training you will be able to gain proficiency in the following areas:
Following are the professionals who get benefited from learning this course:
Yes, upon the successful completion of the MS SQL Server DBA training you will receive the course completion certificate from SK trainings. This certificate is valid across all the top MNCs and simplifies your job search process.
Yes, you will get all assistance from the MS SQL experts to clear your certification exam. Moreover, you will be provided with the experts designed MS SQL Server DBA Course material to clear your certification exam.
The model database, as its name implies, serves as the model (or template) for all databases created on the same instance. If the model database is modified, all subsequent databases created on that instance will pick up those changes, but earlier created databases will not. Note that TEMPDB is also created from the model every time SQL Server starts up.
SQL Server has three types of replication: Snapshot, Merge, and Transaction. Snapshot replication creates a snapshot of the data (point-in-time picture of the data) to deliver to the subscribers. This is a good type to use when the data changes infrequently, there is a small amount of data to replicate, or large changes occur over a small period of time. Merge replication uses a snapshot to seed the replication. Changes on both sides of the publication are tracked so the subscriber can synchronize with the publisher when connected. A typical use for this type of replication is in a client and server scenario. A server would act as a central repository and multiple clients would independently update their copies of the data until connected. At which time, they would all send up their modifications to the central store. Transaction replication also begins with a snapshot only this time changes are tracked as transactions (as the name implies). Changes are replicated from publisher to subscriber the same as they occurred on the publisher, in the same order as they occurred, and in near real-time. This type of replication is useful when the subscriber needs to know every change that occurred to the data (not point-in-time), when the change volume is high, and when the subscriber needs near real-time access to the changes.
Checkpoints, whether scheduled or manually executed, cause the transaction log to be truncated up to the beginning of the oldest open transaction (the active portion of the log). That is, the dirty pages from the buffer cache are written to disk. Storing committed transactions in the cache provides a performance gain for SQL Server. However, you do not want the transaction log to get too big because it might consume too many resources and, should your database fail, take too long to process to recover the database. One important thing to note here is that SQL Server can only truncate up to the oldest open transaction. Therefore, if you are not seeing the expected relief from a checkpoint, it could very well be that someone forgot to commit or rollback their transaction. It is very important to finalize all transactions as soon as possible.
You can set the fill factor on your indexes. This tells SQL Server how much free space to leave in the index pages when re-indexing. The performance benefit here is fewer page splits (where SQL Server has to copy rows from one index page to another to make room for an inserted row) because there is room for growth built into the index.
SQL profiler is the SQL Server utility you can use to trace the traffic on the SQL Server instance. Traces can be filtered to narrow down the transactions that are captured and reducing the overhead incurred for the trace. The trace files can be searched, saved off, and even replayed to facilitate troubleshooting.
SQL Agent is the job scheduling mechanism in SQL Server. Jobs can be scheduled to run at a set time or when a specific event occurs. Jobs can also be executed on demand. SQL Agent is most often used to schedule administrative jobs such as backups.
DBCC statements are Database Console Commands and come in four flavors: Maintenance, Informational, Validation, and Miscellaneous. Maintenance commands are those commands that allow the DBA to perform maintenance activities on the database such as shrinking a file. Informational commands provide feedback regarding the database such as providing information about the procedure cache. Validation commands include commands that validate the database such as the ever-popular CHECKDB. Finally, miscellaneous commands are those that obviously don’t fit in the other three categories. This includes statements like DBCC HELP, which provides the syntax for a given DBCC command.
Update Statistics is used to force a recalculation of query optimization statistics for a table or indexed view. Query optimization statistics are automatically recomputed, but in some cases, a query may benefit from updating those statistics more frequently. Beware though that re-computing the query statistics causes queries to be recompiled. This may or may not negate all performance gains you might have achieved by calling update statistics. In fact, it could have a negative impact on performance depending on the characteristics of the system.
SQL Server supports Windows Authentication and mixed-mode. Mixed-mode allows you to use both Windows Authentication and SQL Server Authentication to log into your SQL Server. It’s important to note that if you use Windows Authentication, you will not be able to log in as sa.
The answer would be depending on the versions you have worked on, I would say I have experience working in SQL Server 7, SQL Server 2000, 2005 and 2008. If you have worked only some version be honest in saying that, remember, no one would be working on all versions, it varies from individual to individual.
In a clustered index, the leaf level pages are the actual data pages of the table. When a clustered index is created on a table, the data pages are arranged accordingly based on the clustered index key. There can only be one Clustered index on a table. In a Non-Clustered index, the leaf level pages do not contain data pages instead it contains pointers to the data pages. There can multiple non-clustered indexes on a single table.
Failover Clustering, Database Mirroring, Log Shipping, and Replication are the High-Availability features available in SQL Server. I would recommend reading this blog of mine which explains the differences between these 4 features.
Fill Factor is a setting that is applicable to Indexes in SQL Server. The fill factor value determines how much data is written to an index page when it is created/rebuilt.
The easiest way to find and change the default fill factor value is from Management Studio, right-click the SQL Server and choose properties. In the Server Properties, choose Database Settings, you should see the default fill factor value in the top section. You can change to the desired value there and click OK to save the changes. The other option of viewing and changing this value is using
There are 3 recovery models available for a database. Full, Bulk-Logged and Simple are the three recovery models available.
Replication is a feature in SQL Server that helps us publish database objects and data and copy (replicate) it to one or more destinations. It is often considered as one of the High-Availability options. One of the advantages of Replication is that it can be configured on databases which are in simple recovery model.
The 3 main components in Replication are Publisher, Distributor, and Subscriber. The publisher is the data source of a publication. The distributor is responsible for distributing the database objects to one or more destinations. The subscriber is the destination where the publishers data is copied/replicated.
I would go to the SQL Server Configuration Manager. In the left pane of the tool, I would select SQL Server Services, the right side pane displays all of the SQL Server Services/components that are installed on that machine. If the Service is displayed as (MSSQLSERVER), then it indicates it is a default instance, else there will be the Instance name displayed.
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Train yourself into a certified MS Sql DBA training by enrolling in the SK trainings MS Sql DBA training training. You will get through knowledge by our expert trainer and also for several database administrations. You can become an expert in areas such as database design, database administration, implementation, maintenance, support and a lot more other concepts. Real-time knowledge is obtained by working in MS Sql DBA projects. Join the SK training’s MS Sql DBA training certification course and learn from the expert MS Sql DBA trainings.Get Certified
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