SQLite Interview Questions and Answers

Last updated on Feb 10, 2022
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SQLite Interview Questions

Most Frequently Asked SQLite Interview Questions

Here in this article, we will be listing frequently asked SQLite Interview Questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.

Q1. Who developed SQLite and when?
Answer

SQLite was developed by Dwayne Richard Hipp in the year 2000

Q2. Why was SQLite designed?
Answer

SQLite was primarily designed for the purpose that while operating a program, there will not be a requirement of administration or set-up.

Q3. What are the features of SQLite?
Answer
  • The code for the SQLite is in the public domain therefore SQLite is free to use
  • SQLite does not require the server to operate
  • SQLite allows the user to work on multiple databases at the same time
  • There is no need to install "SQLite" before using it.
  • SQLite has the capability of creating the in-memory database, and the user can work very fast with it.
Q4. Explain the difference between SQL and SQLite?
Answer
S.no SQL SQLite
1. SQL is server based SQLite is file base
2. SQL is a query language SQLite is an embedded database management system
3. SQL supports the stored procedure SQLite does not support the stored procedure

This particular SQLite Question and Answer defines explicitly the difference between SQL and SQLite.

Q5. What are the standard commands in SQLite?
Answer

The standard commands in SQLite are:-

  • SELECT
  • CREATE
  • INSERT
  • UPDATE
  • DROP
  • DELETE
Q6. List down the area where SQLite performs well.
Answer

Here are some of the areas:-

  • Embedded devices
  • Websites
  • File archives
  • Testing
  • Data Analysis
Q7. What are the storage classes in SQLite?
Answer

SQLite storage classes include the following:

  • Null: It has a NULL value.
  • Integer: The value is a signed integer (5,6,7, etc.)
  • Real: The numbers with a decimal point (1.2,3.4 etc.).The real numbers are stored as an 8 byte IEEE floating point number.
  • Text: It holds a text string.
  • BLOB: The value is a blob of data, and it is stored exactly as it was input.
Q8. What are the operators in SQLite?
Answer

There are four operators in SQLite:-

  • Arithmetic operators(+,-,*,/,%)
  • Comparison operators(==,=,!=,<>,<,>,>=,<=,!<,!>
  • Logical operators(AND, BETWEEN, EXISTS, IN, NOT IN, LIKE, GLOB, NOT, OR, IS NULL, IS, IS NOT, ||, UNIQUE)
  • Bitwise operators(&, I,~,<<,>>)

Point to be noted: Make sure that you go through this Q&A twice as this is the favorite SQLite Questions and Answers for fresher and experienced as well.

Q9. Explain how Boolean values are stored in SQLite?
Answer

SQLite incorporates Boolean as an integer variable rather than having a separate Boolean class. Boolean values are stored in SQLite as integers 0 which means false and 1 which means true.

Q10. How to create a database in SQLite?
Answer

The command “sqlite3” is used to create a database.

Syntax:-$sqlite3 DatabaseName.db

Reviewed and verified by Baliram Prasad
Baliram Prasad

Baliram Prasad is a Technical Lead in Coldfusion. I am working closely with B2C and B2B Clients. I am having 13+ years of experience. I love programming and most of my time goes in learning the best w...