If you're on this page, it's probably because you've got an SQL interview coming up— and JOIN clauses will almost certainly make an appearance. Before the big day, be sure to carefully study the different types of JOIN clauses and be prepared to answer JOIN-centric questions from your...
The use of comparison operators like <,> or = can be done in a subquery. These kinds ofSQL Interview Questionsare a bit difficult to understand and answer accordingly. There are a lot ofSQL Interview Questionsapart from this, which the candidates must practice qualifying for the interview. Fo...
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 ...
24 :: What is sql Correlated Subquery? Correlated Subquery is a subquery that is evaluated once for each row processed by the parent statement. Parent statement can be Select, Update or Delete. Use CRSQ to answer multipart questions whose answer depends on the value in each row processed by...
We can’t create a new database when model database is down. SQL Server restart will be unsuccessful when model database is down as TEMPDB creation failed. TEMPDB is created based on model DB configurations, since model DB is down TEMPDB will not be created. ...
SQL INTERVIEW QUESTIONS AND ANSWERS 3 | P a g e 3.What is the difference between the “DELETE” and “TRUNCATE” commands? The DELETE command is used to remove rows from a table based on a WHERE condition whereas TRUNCATE removes all rows from a table. ...
Book Features: SQL Server Interview Questions and Answers Comprehensive Coverage: From SQL Server basics to advanced topics like database tuning, replication, and high availability. Real-World Scenarios: The questions and answers are based on actual SQL Server interview experiences, offering practical in...
Hello All, I have been collecting interview questions from the people who given interviews at various organizations. Below are the list of questions. It includes, SQL DBA, MSBI, SQL Developer, SQL Server. 1 SSRS: 1. How to render a report to a user email?
Comprehensive, community-driven list of essential SQL interview questions. Whether you're a candidate or interviewer, these interview questions will help prepare you for your next SQL interview ahead of time.
name given to a table or column which do not exist once the SQL statement is executed. Q. What is a view ? A view is a virtual table based on one or more tables. Why Use views ? To restrict data access • To make complex queries easy ...