Data Analytics Quiz -5

What SQL statement is used to retrieve data from a database?

• A) SELECT

• B) DELETE

• C) WHERE

• D) INNER JOIN

Which SQL clause is used to filter rows based on a specified condition?

• A) SELECT

• B) DELETE

• C) WHERE

• D) INNER JOIN

Which SQL statement is used to delete data from a database?

• A) SELECT

• B) DELETE

• C) WHERE

• D) INNER JOIN

In an SQL query, what is the purpose of the WHERE clause?

• A) To specify which tables to join

• B) To specify the columns to retrieve

• C) To filter rows based on a condition

• D) To order the result set

What is the primary function of the INNER JOIN clause in SQL?

• A) It retrieves all rows from both tables.

• B) It retrieves only the rows that match in both tables .

• C) It retrieves only the rows from the first table.

• D) It sorts the result set.

Which SQL operator is used to combine multiple conditions in a WHERE clause?

• A) AND

• B) OR

• C) NOT

• D) XOR

What is the purpose of the SELECT statement in SQL?

• A) To delete data from a table

• B) To insert data into a table

• C) To retrieve data from a database

• D) To update existing data in a table

Which SQL clause is used to specify the order in which rows are returned in the result set?

• A) ORDER BY

• B) GROUP BY

• C) HAVING

• D) WHERE

In an SQL DELETE statement, if you omit the WHERE clause, what happens?

• A) All rows in the table are deleted

• B) An error is generated, and no rows are deleted.

• C) The table structure is deleted.

• D) Only the first row in the table is deleted.

In an SQL INNER JOIN, what happens if there is no matching row in one of the tables?

• A) An error is generated, and the query fails.

• B) All rows from both tables are included in the result.

• C) Rows from both tables with matching values are included, and non-matching rows are excluded

• D) Only the rows from the first table are included in the result.