SQL Interview Questions for Freshers 1. What is the difference between a primary key and a unique key? Primary Key: The primary key is used to identify every record in a table uniquely. It ensures that NULL values are not present in the table. Unique Key: The unique key also identifies...
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 ...
SQL Interview Questions 1. What is Pattern Matching in SQL? 2. How to create empty tables with the same structure as another table? 3. What is a Recursive Stored Procedure? 4. What is a Stored Procedure? 5. What is Collation? What are the different types of Collation Sensitivity? 6....
SQL interview questions are asked in almost all interviews because database operations are very common in applications. SQL stands for Structured Query Language, which is a domain-specific programming language used for database communications and relational database management. SQL consists of standard c...
This is one of the most crucialSQL Interview questionswhich can be essential for the candidate. 19) What can be the basic difference between DROP and TRUNCATE commands? The command of DROP is used to remove a table completely, and the following can be reverted from the Database. ...
The questions and answers are covered using every detail possible and they also contain queries as and where necessary. This ensures that you learn every bit of it and be well-prepared for the interview. To begin with, we will cover the basic concepts about SQL. Further, we will move towar...
SQL DBA Interview Questions with Answers Q. What are the common issues a SQL DBA should deal with as a part of DBA daily job? Ans: Backup Failure Restore Failure Log Full Issues Blocking Alerts Deadlocks Alerts TEMPDB full issues Disk Full Issues ...
Ans: Frequently asked SQL Interview Questions 1.DDL – Data Definition Language.DDL is used to define the structure that holds the data. 2.DML– Data Manipulation Language DML is used for manipulation of the data itself. Typical operations are Insert, Delete,Update ...
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 &...
What are SQL Basic Interview Questions ? SQL Basic interview questions What are SQL interview questions for 5 years experience professionals? Previous Next Pause Home Page Here you will learn in-depth database related technologies with modern solutions. We share PL/SQL tutorials, advanced SQL queries...