Free Mock Test : SQL : SQL DELETE (Test 1)

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Free Mock Test - SQL : SQL DELETE (Test 1)

In recent years, SQL (Structured Query Language) has emerged as one of the most important subjects in competitive examinations related to Information Technology, Computer Science, Banking IT, and government technical recruitment. Experts believe that the increasing dependence on data management systems has made SQL knowledge essential for students and job aspirants.
Educational institutions and coaching centers across India are now giving special attention to SQL preparation. Questions related to database creation, data retrieval, joins, normalization, primary keys, foreign keys, and SQL queries are frequently appearing in exams such as SSC Scientific Assistant, Banking IT Officer, NIELIT, Railway technical posts, and various state-level computer operator examinations.
According to academic professionals, SQL is considered a scoring subject because most questions are logic-based and directly related to database operations. Candidates who practice SQL commands regularly can solve examination questions quickly and accurately.

Total Questions : 20

Timer : sec

Question : Which SQL statement is used to remove rows from a table?

REMOVE

DELETE

DROP

ERASE

Question : What happens if the WHERE clause is omitted in a DELETE statement?

Only first row is deleted

Error occurs

All rows are deleted

Table is dropped

Question : Which statement removes all rows but keeps the table structure?

DROP TABLE

DELETE FROM table_name

REMOVE TABLE

ALTER TABLE

Question : Which command permanently removes a table structure and data?

DELETE

TRUNCATE

DROP TABLE

CLEAR

Question : Which keyword is mandatory in a DELETE statement?

TABLE

COLUMN

FROM

INTO

Question : Which statement deletes only specific rows?

DELETE with WHERE clause

DROP TABLE

DELETE without WHERE

ALTER TABLE

Question : Which SQL command is faster for deleting all rows?

DELETE

UPDATE

TRUNCATE

INSERT

Question : Which statement deletes duplicate rows from a table?

DROP DUPLICATE

DELETE using ROW_NUMBER()

ALTER TABLE

REMOVE ROWS

Question : Which clause is commonly used with DELETE to avoid accidental deletion?

GROUP BY

ORDER BY

WHERE

HAVING

Question : What does the following query do?

DELETE FROM employee WHERE salary > 50000;

Deletes entire table

Deletes employees with salary greater than 50000

Updates salary

Shows employee data

Question : Which command removes a database completely?

DELETE DATABASE

DROP DATABASE

REMOVE DATABASE

CLEAR DATABASE

Question : Can DELETE be rolled back in transactions?

Yes

Only in MySQL

Only in Oracle

Question : Which SQL statement deletes rows using JOIN condition?

DELETE JOIN

DELETE with INNER JOIN

REMOVE JOIN

DROP JOIN

Question : Which statement is true about DELETE?

Structure is removed

Rows are removed

Database is removed

Columns are removed

Question : What is the result of this query?

DELETE FROM orders WHERE order_id = 101;

Deletes all orders

Deletes order with ID 101

Drops orders table

Creates new order

Question : Which command deletes a SQL VIEW?

DELETE VIEW

REMOVE VIEW

DROP VIEW

TRUNCATE VIEW

Question : Which of the following is NOT related to deletion?

DELETE

DROP

TRUNCATE

SELECT

Question : Which SQL statement deletes all duplicate rows except one?

DELETE DISTINCT

DELETE with GROUP BY

DELETE using ROW_NUMBER()

DELETE UNIQUE

Question : What will happen after executing:
DELETE FROM students;

Table removed

All student records deleted

Columns deleted

Database deleted

Question : Which statement is correct regarding DELETE and DROP?

DELETE removes table structure

DROP removes only rows

DELETE removes rows, DROP removes entire object

Both are same

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