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WithoutBook LIVE Mock Interviews SQLite Related interview subjects: 24

Interview Questions and Answers

Know the top SQLite interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Total 53 questions Interview Questions and Answers

The Best LIVE Mock Interview - You should go through before interview

Know the top SQLite interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Interview Questions and Answers

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Experienced / Expert level questions & answers

Ques 1

Explain the concept of ACID properties in database transactions.

ACID stands for Atomicity, Consistency, Isolation, and Durability. These properties ensure the reliability and integrity of database transactions.
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Ques 2

What is the purpose of the COMMIT and ROLLBACK statements in SQLite?

The COMMIT statement is used to permanently save changes made during the current transaction, while ROLLBACK is used to undo the changes.
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Ques 3

Explain the concept of a transaction in SQLite.

A transaction in SQLite is a series of one or more SQL statements that are executed as a single unit. Transactions ensure the atomicity, consistency, isolation, and durability of database operations.
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Ques 7

How to perform a bulk insert in SQLite efficiently?

To perform a bulk insert in SQLite efficiently, you can use the INSERT INTO...SELECT statement or the multi-row VALUES syntax to insert multiple rows in a single query.
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Ques 8

What is the purpose of the ANALYZE command in SQLite?

The ANALYZE command in SQLite is used to gather statistics about the distribution of keys in the tables, which can help the query planner make better optimization decisions.
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Ques 9

Explain the concept of normalization in database design.

Normalization in database design is the process of organizing data to reduce redundancy and improve data integrity by dividing large tables into smaller, related tables.
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Ques 11

How to handle errors and exceptions in SQLite?

You can handle errors and exceptions in SQLite by using the TRY...EXCEPT block in conjunction with the RAISE function to raise a customized error message.
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Ques 12

What is the purpose of the ANALYZE command in SQLite?

The ANALYZE command in SQLite is used to update the statistics about the distribution of keys in the database, helping the query planner make better optimization decisions.
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Ques 13

Explain the purpose of the EXPLAIN keyword in SQLite.

The EXPLAIN keyword in SQLite is used to obtain information about the execution plan of a SELECT statement, helping to analyze and optimize queries.
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Ques 14

What is the purpose of the PRAGMA integrity_check command in SQLite?

The PRAGMA integrity_check command in SQLite is used to check the integrity of the entire database, identifying and reporting any issues with the database structure.
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Ques 15

Explain the purpose of the SAVEPOINT statement in SQLite.

The SAVEPOINT statement in SQLite is used to create a savepoint within a transaction, allowing you to roll back to that point without affecting the entire transaction.
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