200+ SQL Interview Questions

Name: 200+ SQL Interview Questions
Rating: 4.7 (3985 reviews)

Prepare for an SQL Developer Interview with these 200+ Real World SQL Questions and Practical Answers

Highest Rated

Created byAmarnath Reddy

Last updated 1/2017

English

What you'll learn

Students will be able refresh their SQL knowledge and will be in a position to answer the most commonly asked SQL Interview questions.

Course content

6 sections • 45 lectures • 2h 28m total length

Welcome!!!!0:56
How to make best use of the program.0:47
Mock Interview!!!0:20

Tables6:36
Filters2:52
Delete and Truncate4:02
Joins4:28
Data types5:45
Functions6:15
NULL's6:14
Explore common SQL null handling concepts, including arithmetic with nulls, NVL, NVL2, NULLIF, COALESCE, is null checks, and converting nullable columns to not null.
Integrity Constraints Part 16:58
Explore integrity constraints in Oracle, including not null, primary key, foreign key, check, unique, and references, with practical examples and how to disable or cascade constraints.
Integrity Constraints Part 22:21
Sequences2:05
Synonyms2:43
Discover how SQL synonyms provide alternative names for tables, views, sequences, and stored procedures, enable cross-schema access via public and private synonyms, and support code switching with underlying object privileges.
SET Operations4:25
Sub Queries4:46
Views7:15
Explore views in SQL, a virtual table that hides data complexity, masks sensitive columns, and supports updates, deletes, and inserts, including instead of triggers and the force option.
Updatable View Experiment0:02

Database Concepts Part 13:23
Explore database concepts, including what a database is and the dbms vs rdbms distinction. Examine sql, primary and foreign keys, fields, records, tables, and transactions with commit and rollback.
Database Concepts Part 23:12
Database Concepts Part 34:42
Explore Oracle database concepts such as PGA memory per server process, the global area and instance, plus table spaces, data files, data blocks, and the data dictionary.
Database Concepts Part 44:58
Steps followed to run a SQL statement2:25
Learn the SQL statement lifecycle from parsing and syntax/semantic checks to shared pool lookup, then optimization and execution that fetches and filters data for display.

Select Nth maximum salary from a Table0:03
Select maximum N salaries from EMP Table0:03
Select maximum N salaries from each Department of EMP table0:04
Select/Delete duplicate rows from EMP table0:03
Same Salary Question...0:02
Odd/Even rows Question...0:03
More than 2 employees Question...0:03
Select maximum salary without using functions...0:03
Number of rows in a table without using COUNT function...0:05
Find the LAST inserted record in a table...0:04
Select LAST n records from a Table0:03
Past 5 years Question...0:03

Requirements

Students need to have enough knowledge in SQL before starting this course.
Have a notebook and pen in your hand to take the notes of important points.

Description

Are you ready for your SQL Developer Interview?

I have about 15+ years of experience in the Database world and have Interviewed 100’s of SQL Developers in my 15+ years span.

Learning how to answer the SQL interview questions is a powerful skill which can make the difference between getting hired or not.

I have used all my experience to put together this 200+ Real World SQL Questions and Practical Answers.

I want to help each one of you to succeed in the SQL Job Interview. As part of this, I am providing an opportunity to conduct a Mock Interview to each one of my students.

Become confident and ready to answer the most common SQL interview questions asked during any SQL Developer interview using the points and tips presented in this course.

Nowadays the competition for one job is quite high, many candidates for the same position, so if you want to get hired you cannot afford not being prepared to present yourself as the best fit candidate.

How to answer to the interview questions is one of the area where you can prepare the best, especially when it comes to the most common SQL interview questions because this questions are asked during all job interviews.

By the end of this course, you will know all the great secrets to answer the most common SQL interview questions during any job interview. We will analyse each question and make sure you include in your answer just what is important to present yourself as the best fit candidate.

Are you ready to prepare the best 200+ answers to the most common SQL interview questions?

Take this course and join other 12000+ happy students who learnt to nail any job interview!

See you inside the course!

Who this course is for:

This course is meant for SQL Developers who are preparing for a SQL Developer job interview.
This course is meant for SQL Developers who want to refresh their SQL skills.
This course is not meant for Students who want to learn SQL.

200+ SQL Interview Questions

What you'll learn

Explore related topics

Course content

Welcome!!!!3 lectures • 2min

SQL Interview Questions for Junior Developers15 lectures • 1hr 7min

Database Concepts related Interview Questions5 lectures • 19min

SQL Interview Questions for Mid/Senior Developers7 lectures • 43min

SQL Tuning Interview Questions3 lectures • 18min

Write a Query...12 lectures • 1min

Requirements

Description

Who this course is for: