SQLite Questions et reponses d'entretien
Question 31. What is a subquery in SQLite?
A subquery in SQLite is a query nested inside another query, typically used to retrieve data that will be used in the main query's condition or result.
Question 32. How to perform a transaction rollback in SQLite?
You can perform a transaction rollback in SQLite using the ROLLBACK statement: `ROLLBACK;`.
Question 33. Explain the purpose of the LIKE operator in SQLite.
The LIKE operator in SQLite is used to search for a specified pattern in a column. It is often used with wildcard characters like '%' and '_'.
Question 34. What is the AUTOINCREMENT attribute in SQLite?
The AUTOINCREMENT attribute in SQLite is used with INTEGER columns to automatically generate a unique integer for each new row, incrementing from the highest existing value.
Question 35. Explain the purpose of the CASE statement in SQLite.
The CASE statement in SQLite is used to perform conditional logic within a SQL query, allowing you to return different values based on specified conditions.
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