SQL Interview Questions and Answer


English

What you will learn

What is SQL?

What are the different types of SQL queries?

What_are_the_different_Types_of_SQL_Statements

What_is_a_Table_and_field_in_SQL

What_is_the_difference_between_Primary_Key_and_Unique_Key

What_are_the_different_types_of_DBMS

What_are_the_types_of_Operators_available_in_SQL_

What_is_a_Query

What_is_a_Sub_Query

What_are_the_different_types_of_Sub_Queries_

What_is_distinct

Write_an_SQL_Query_to_find_third_maximum_price_from_Products_table_

What_is_difference_between_Delete_and_Truncate_

Find_the_Employees_who’s_DOB_is_between_’1925-11-25’_&_’1955-11-25′

find_list_of_Employees_who_were_born_in_the_year_1955_

Write_an_SQL_Query_to_delete_the_duplicate_records_from_a_Table_

find_City_names_having_5_letters_and_end_the_letter_’l’

Description

This course will teach you the fundamentals of SQL, a relational database language. You will learn how to create, retrieve, update, and delete data from databases. You will also learn how to use SQL to perform complex queries on data.

  • Create and manage databases
  • Insert, update, and delete data from databases
  • Perform complex queries on data
  • Use SQL to create reports and dashboards

This course is perfect for:

  1. Anyone who wants to crack SQL
  2. Data analysts
  3. Business intelligence professionals
  4. Anyone who wants to improve their data skills

Interview Tips

When you are interviewing for a job that requires SQL skills, be sure to emphasize your knowledge of the language. Talk about the projects you have worked on that involved SQL, and the skills you have developed. Be prepared to answer questions about how you would use SQL to solve problems.


Get Instant Notification of New Courses on our Telegram channel.

Noteβž› Make sure your π”ππžπ¦π² cart has only this course you're going to enroll it now, Remove all other courses from the π”ππžπ¦π² cart before Enrolling!


SQL stands for Structured Query Language. It is a programming language designed for managing data in relational database management systems (RDBMS). SQL is used to perform tasks such as updating data on a database, retrieving data from a database, and creating new databases.SQL is a declarative language, which means that you tell the database what you want, and the database figures out how to do it. This is in contrast to procedural languages, where you tell the computer how to do something.SQL is a widely used language, and it is supported by most RDBMSs. It is a good skill to have for anyone who works with data, and it is especially important for data analysts and data scientists. SQL is a powerful language, and it can be used to do a lot of different things. If you are interested in working with data, then I encourage you to learn SQL.

Conclusion

This course is a great way to learn SQL and improve your data skills. With SQL, you will be able to access and analyze data in a variety of ways. This will make you a more valuable asset to any team.

English
language

Content

Introduction

What is SQL

What are the different types of SQL queries

_Write_an_SQL_Query_to_display_the_Current_Date
Difference_between_SQL,_MySQL_and_SQL_Server
What_are_the_different_Types_of_SQL_Statements
Write_an_SQL_Query_to_find_the_names_of_the_employees_starting_with_A
What_is_a_Sub_Query
What_are_the_different_types_of_Sub_Queries_
_Find_the_Employees_who’s_DOB_is_between_’1925-11-25’_&_’1955-11-25′
_ SQL Query_to_find_count_of_cities_in_each_district_in_descending_or

What_is_a_Table_and_field_in_SQL

What_is_a_Table_and_field_in_SQL
What_is_the_difference_between_Primary_Key_and_Uniq key
Write_an_SQL_Query_to_find_third_maximum_price_from products table

Types of DBMS

What_are_the_different_types_of_DBMS
What_are_the_types_of_Operators_available_in_SQL_
Is_SQL_Case_Sensitive_
Difference_between_round___and_truncate___functions_of_MySQL