SQLite - 7 - Querying Data with SELECT MCQ

SQLite – Querying Data with SELECT

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1. What SQL command is used to retrieve data from an SQLite table?

SELECT

RETRIEVE

FETCH

GET

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2. What is the purpose of the SELECT statement in SQLite?

To retrieve data from a table

To insert data into a table

To delete data from a table

To update data in a table

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3. In a SELECT statement, which clause specifies the columns to be retrieved from the table?

WHERE

COLUMN

SELECT

FROM

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4. How do you specify all columns in a table to be retrieved in a SELECT statement in SQLite?

By using the FROM keyword

By using the COLUMN keyword

By using the SELECT ALL keyword

By using the WHERE keyword

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5. In SQLite, what is the purpose of the WHERE clause in a SELECT statement?

To order the result set

To specify the table name

To specify the column names

To filter rows based on a condition

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6. Which SQL operator is used to specify multiple conditions in the WHERE clause of a SELECT statement?

AND

NOT

XOR

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7. How do you specify that a column should be included in the result set in a SELECT statement?

By using the COLUMN keyword

By using the INCLUDE keyword

By listing the column name after SELECT

By using the FROM keyword

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8. In SQLite, how do you specify the table from which you want to retrieve data in a SELECT statement?

By using the WHERE keyword

By using the TABLE keyword

By using the SELECT keyword

By using the FROM keyword

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9. What happens if you use the * wildcard in the SELECT clause of a SELECT statement in SQLite?

It retrieves the first row only

It retrieves the first column only

It retrieves all rows from the table

It retrieves all columns from the table

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10. Which SQL clause is used to sort the result set in ascending or descending order in SQLite?

LIMIT

GROUP

ORDER

SORT

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11. What is the default sorting order when using the ORDER BY clause in SQLite?

Random

Descending

Ascending

Alphabetical

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12. Which SQL clause is used to limit the number of rows returned in the result set in SQLite?

FETCH

OFFSET

LIMIT

RESTRICT

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13. In SQLite, how do you specify that you want to retrieve distinct values in a SELECT statement?

By using the UNIQUE VALUES keyword

By using the UNIQUE keyword

By using the DISTINCT keyword

By using the DISTINCT VALUES keyword

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14. What is the purpose of the GROUP BY clause in a SELECT statement in SQLite?

To order the result set

To select distinct values

To filter rows based on a condition

To group rows by one or more columns

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15. Which SQL aggregate function is used to count the number of rows in a result set in SQLite?

AVG

SUM

COUNT

MAX

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16. What does the HAVING clause do in a SELECT statement in SQLite?

It filters groups based on a condition

It filters rows based on a condition

It specifies the columns to be retrieved

It orders the result set

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17. In SQLite, which SQL clause is used to combine rows from two or more tables into a single result set?

MERGE

UNION

COMBINE

JOIN

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18. What is the purpose of the ON clause in a JOIN statement in SQLite?

To order the result set

To group rows by one or more columns

To specify the join condition

To filter rows based on a condition

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19. In SQLite, what is the primary difference between INNER JOIN and LEFT JOIN?

INNER JOIN returns all rows from both tables

LEFT JOIN returns all rows from the left table

INNER JOIN returns only matching rows

LEFT JOIN returns only matching rows

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20. Which SQL clause is used to rename columns in the result set in SQLite?

RENAME AS

RENAME

COLUMN AS

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21. How do you use the AS keyword to rename a column in a SELECT statement in SQLite?

SELECT new_name = column_name

SELECT column_name AS new_name

SELECT RENAME column_name TO new_name

SELECT ALTER column_name TO new_name

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22. Which SQL clause is used to filter rows based on a condition in SQLite?

SELECT

FILTER

WHERE

CONDITION

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23. What does the DISTINCT keyword do in a SELECT statement in SQLite?

It selects distinct values

It specifies the columns to be retrieved

It groups rows by one or more columns

It orders the result set

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24. Which SQL clause is used to combine the result sets of two or more SELECT statements in SQLite?

JOIN

MERGE

COMBINE

UNION

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25. What is the primary purpose of the UNION operator in SQLite?

To combine the result sets of two SELECT statements

To filter rows based on a condition

To merge the data from two tables

To order the result set

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SQLite – 7 – Querying Data with SELECT MCQ