A query, in SQL, is a command used to request data or update information from a database table or combination of tables. Users can write and execute queries to retrieve, delete or update information in a database. Usually, a query response returns data from different tables within the data...
DDL stands for Data Definition Language. SQL queries like CREATE, ALTER, DROP and RENAME come under this. DML stands for Data Manipulation Language. SQL queries like SELECT, INSERT and UPDATE come under this. DCL stands for Data Control Language. SQL queries like GRANT and REVOKE come under t...
SQL knowledge is essential for the majority of services. There are a lot of important questions for which the candidates need to be prepared while going for an interview. TheSQL Interview Questionsare very important for getting a job. One must answer the SQL Interview Questions to qualify for ...
These kind of real life scenarios we need to face in day to day life. I will explain other joins in next article. Hope you like this article. Kindly comment if you like the article or if any suggestions. CLICK HERE TO GET 20 MOST IMPORTANT COMPLEX SQL QUERIES FOR INTERVIEW HOME...
Hiring managers want to see examples of SQL projects you've completed. This could be from your work experience, personal projects, or coursework. When describing projects: Explain the goal of the project and your specific role Mention the SQL techniques, queries, or databases used Quantify the ...
SQL Interview Question #2 You work for a startup that makes an online presentation software. You have an event log that records every time a user inserted an image into a presentation. (One user can insert multiple images.) The event_log SQL table looks like this: user_id event_date_tim...
Q. I wanted to know what are the maximum worker threads setting and active worker thread count onsqlserver. Can you tell me how to capture this info? What’s the default value for max thread count? Ans: We can check the current settings and thread allocation using the below queries. ...
modern solutions. We share PL/SQL tutorials, advanced SQL queries,UNIXguides, Business Intelligence concepts, and interview Q/A with real life industry examples. We make significant effort to make learning a fun experience. The website will give you information about advanced SQL Queries in detail...
SQL Server Interview Questions and Answers Book is your comprehensive guide to excelling in interviews for SQL Server development and administration roles. Covering a wide range of topics from basic SQL queries to advanced database optimization techniques, this book ensures you’re well-prepared to ta...
9. Can you give some examples for One to One, One to Many and Many to Many relationships? 24 1. How to find the tempdb contention? 2. What is the sparse file? 3. What is the redo file in log shipping? 4. What are the queues in sql server?