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.
172 SQL Questions and Answers:SQL Job Interview Questions Table of Contents: What is SQL (Structured Query Language)? What is the SQL*Plus? What is NVL? What is a Character Functions? What is SET? What is a TTITLE & BTITLE? What is sql BREAK? What is sql JOIN? What is sql ...
The following can also be utilized to amalgamate two tables. This can also be utilized for acquiring information from there. SQL comprises of 4 different kinds of joins. They are Inner Join, Right Join, Left Join and Full Join. 5) How can we distinguish between CHAR and VARCHAR 2 data ty...
Looking for interview questions specific to MySQL? Checkout our page on MySQL interview questions as well.New: Sign up for a free SQL mini-course Make sure you're prepared for the interview that could change your career. Sign up to receive five free must-learn lessons in preparation for ...
SQL Joins 14. Explain Self-Join with an Example The self-join meansjoining one table with itself. We can use the Self-Join on a table only if it has a column (we will call it A) that serves as the primary key and another column (that we will call Y) that stores values that can...
SQL Interview Questions http://career.guru99.com/top-50-sql-question-answers/ 1. What is DBMS? A Database Management System (DBMS) is a program that controls creation, maintenance and use of a database. DBMS can be termed as File Manager that manages data in a database rather than ...
Advanced SQL Server Interview Questions Now that we've covered intermediate-level concepts let's dive into some advanced SQL Server interview questions. What are the different types of replication in SQL Server (Transactional, Merge, Snapshot)?
Don't be surprised with questions like 'what is the maximum number of columns per table'. Check out SQL Server books online for the page titled: "Maximum Capacity Specifications". 11. Explain Active/Active and Active/Passive cluster configurations Hopefully you have experience setting up cluster ...
Softwaretesting-QuestionsandAnswers-SQLInterviewQuestions Q.WhatdoesSQLstandfor? A.StructuredQueryLanguage Q.Whatisaprimarykey? A.Primarykey:EachrowofthedatainatableuniquelyidentifiedbyaPrimaryKey Thecolumn(columns)thathascompletelyuniquedatathroughoutthetableis ...
Advanced PL/SQL Interview Questions Let's now explore some advanced interview questions in case you are applying for a more senior role that requires more experience. 10. What are the methods of optimizing performance in PL/SQL? Minimizing context switches between SQL and PL/SQL is crucial for...