Landing a job that requires SQL skills often means preparing for a challenging interview. SQL is a foundational technology for database management, so employers test candidates on various concepts ranging from basic to advanced-level queries. This blog covers common SQL interview questions and their ...
3. What is SQL? SQL stands for Structured Query Language , and it is used to communicate with the Database. This is a standard language used to perform tasks such as retrieval, updation, insertion and deletion of data from a database. 7. What is a unique key? A Unique key constraint ...
scripting, and markup languagessurvey made by StackOverflow in 2022. Therefore SQL is essential and should not be missing from ourpreparation for technical interviews. We will start with some of the most fundamentalSQL interview
Following are some important Interview Questions for SQL : 1.What is SQL?Where SQL is used? Answer: SQL is Structured Query Language, which is a computer language for storing, manipulating and retrieving data stored in relational database.SQL can be used in different languages or database manag...
Each question is crafted to challenge your understanding and proficiency in SQL. Suitable for all skill levels, these questions are essential for effective preparation. Secure the free PDF to access all 172 questions and guarantee your preparation for your SQL interview. This guide is crucial for ...
Physical Disk\Avg. Disk Queue Length:Check for disk bottlenecks: if the value exceeds 2 then it is likely that a disk bottleneck exists. MSSQL$Instance: Buffer Manager\PageLife Expectancy:Page Life Expectancy is the number of seconds a page stays in the buffer cache. A low number indicates...
DELETE removes rows one at a time and records an entry in the transaction log for each deleted row. If you want to retain the identity counter, use DELETE instead. If you want to remove table definition and its data, use the DROP TABLE statement. ...
Check out MOLAP, ROLAP and HOLAP in SQL Server books online for more infomation. 16. What are the new features introduced in SQL Server 2000 (or the latest release of SQL Server at the time of your interview)? What changed between the previous version of SQL Server and the current version...
"SQL Server 2005", its recent release is packed with probably the best features like .NET integration, Data warehousing and mining concept which makes it one of the best product for both DBA's and programmers. This book goes how to tackle interview questions related to this product and get ...
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