SQL is Microsoft’s answer for IBM’s DB2 and Oracle’s 11g. It is a database that stores, shares, and manages data across multiple computers connected to the same network. The two data platforms are in fierce competition for the largest share of the database management system. This has created a lot of opportunities for IT professionals to get the highest profile job.
To be certified as MCSA SQL Server, an individual must pass three exams. The most recent update to the certification (2016) requires that you pass two exams. You can also seek expertise in any of the three credentials.
MCSA: SQL 2016 Database Development
MCSA: SQL 2016 Database Administration
MCSA: SQL 2016 Business Intelligence Development
This credential gives you enough skills to implement, design, configure, manage, and install databases across organizations at the highest level. This credential can give you the opportunity to work as a database administrator or database developer for a respected organisation.
You won’t find success by following a simple strategy. It takes hard work and a lot of planning to earn the prestigious credential of Microsoft. Even after your certification, a convincing presentation of your skills in Microsoft DBMS during an interview will determine the fate of your professional career.
Interview Questions and Answers for MCSA SQL Server Professionals
1. What is the maximum row size?
Ans: 8060 bytes.
2.What is the difference in delete and truncate statements?
Ans: The truncate command deletes all data at once. You cannot choose which rows to be deleted. It is faster and cannot be rolled-back. The data is permanently deleted unless there is a backup. You can choose to clear out specific rows with the delete statement. It takes time and can be recovered using transactions logs.
Also read: What is the replacement certification for the Microsoft MCSE and MCSA?
3. What is SQL Server?
Ans: This is a Microsoft-developed database management application that promotes the sharing and storage of data between different software applications and solutions. It was created by Microsoft. There are many SQL servers that serve different purposes and share different workloads. They all focus on database management.
4. What is a cursor?
Ans: Cursors can be used to manipulate data in a database on a row by row basis (iterative). We can also fetch cursor rows from the database and perform operations on them in loops just like any other looping mechanism in any programming language.
5. What is the difference between a “p” and a “p”?