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Generate an image of a person working on a laptop with SQL queries on the screen, surrounded by database icons and elements related to data management.

Master Your SQL Skills

Test your knowledge of SQL with our comprehensive quiz designed for beginners and experts alike! This quiz covers essential concepts and commands that every SQL developer should know.

Challenge yourself with questions about:
• SQL basics
• Data manipulation
• Functions and operators
• Database structures

10 Questions2 MinutesCreated by QueryMaster321

1. What is the full form of SQL?

Structured Query Language

Structured Query List

Simple Query Language

None of these

2. Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

Data Definition Language(DDL)

Data Manipulation Language(DML)

Both of above

None

3. Which operator performs pattern matching?

BETWEEN operator

LIKE operator

EXISTS operator

None of these

4. What operator tests column for the absence of data?

EXISTS operator

NOT operator

IS NULL operator

None of these

5. In SQL, which command(s) is(are) used to change a table's storage characteristics?

ALTER TABLE

MODIFY TABLE

CHANGE TABLE

All of the above

6. A command that lets you change one or more fields in a record is

Insert

Modify

Look up

None of these

7. Which SQL keyword is used to retrieve a maximum value?

TOP

MOST

MAX

None of these

8. What is a view?

A view is a special stored procedure executed when certain event occurs.

A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are

A view is a database diagram

None of these

9. The SQL statement SELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL;

6789

2345

1234

456789

10.Which of the following group functions ignore NULL values?

MAX

COUNT

SUM

All Of the above

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