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...
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....
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 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...
I hope these SQL interview questions offer you a good picture of what to expect from an interview perspective. More exposure to the SQL environment is necessary to crack the SQL interview; this can be attained by studying SQL in-depth. In order to evaluate key SQL principles, you must also...
Frequently Asked SQL Interview Questions 1. What is a Database? Adatabase refers to a structured data collection that can be stored, managed, and retrieved from a remote or local computer system. Databases can become pretty complex and are built with a fixed design and modeling approach. ...
The objective of today’s article is to help you prepare for an Interview or test the knowledge you gain in your learning of SQL language. It covers the basic knowledge and advanced knowledge of SQL language and common scenario-based Interview questions that the Interviewer may expect you to ...
Here, we share the basic and advanced SQL queries asked in interview questions. Our tutorials explain the SQL syntax and commands in a super easy way.
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...
Job Interview Questions Java Interview SQL Interview XML Interview HTML Interview Partner websites Bird Watching Haryana Online Asia Newscast North India Online1. How do you implement one-to-one, one-to-many and many-to-many relationships while designing tables? One-to-One relationship can be impl...