so employers test candidates on various concepts ranging from basic to advanced-level queries. This blog covers common SQL interview questions and their answers to help you succeed in your next interview.
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...
SQL Job Interview Questions and Answers 1 :: What is SQL (Structured Query Language)? SQL is an English like language consisting of commands to store, retrieve, maintain & regulate access to your database.Read More 2 :: What is the SQL*Plus? SQL*Plus is an application that recognizes &...
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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. ...
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...
The UNION operator merges the results of two tables and eliminates duplicate rows from the tables. The MINUS returns the rows from the first query but not from the second query. The INTERSECT returns the rows that are returned by both of the queries. ...
SQL INTERVIEW QUESTIONS AND ANSWERS 14 | P a g e 51.What are the advantages a stored procedure? Stored Procedures are pre-complied and stored in database. This enable the database to execute the queries much faster. Since many queries can be included in a stored procedure, ...
DBCC stands for database consistency checker. We use these commands to check the consistency of the databases, i.e., maintenance, validation task and status checks. E.g. DBCC CHECKDB – Ensures that tables in the db and the indexes are correctly linked. ...
Prepare with basic and advanced PL/SQL interview questions and answers, covering topics like functions, triggers, dynamic SQL, and error handling.