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Structured Query Language (SQL) Multiple Choice Questions (MCQ) Online Test #12

Structured Query Language (SQL) MCQ #111:

What does the DELETE command do in SQL?

Structured Query Language (SQL) MCQ #112:

What is the purpose of Data Control Language (DCL) in SQL?

Structured Query Language (SQL) MCQ #113:

Which keyword is used in an UPDATE statement to specify which rows to modify?

Structured Query Language (SQL) MCQ #114:

What does the DROP TABLE command do in SQL?

Structured Query Language (SQL) MCQ #115:

Which SQL statement would you use to ensure that a column Username in the Users table cannot be NULL?

Structured Query Language (SQL) MCQ #116:

How does the SQL HAVING clause differ from the WHERE clause?

HAVING is used for aggregated data, while WHERE is used for individual rows

HAVING filters rows before aggregation, while WHERE filters rows after aggregation

HAVING filters rows based on column values, while WHERE filters rows based on conditions

HAVING is used to sort results, while WHERE is used to group results

HAVING is used to join tables, while WHERE is used to filter columns

About Structured Query Language (SQL) Multiple Choice Question (MCQ) #116:
This ICT Multiple Choice Question (ICT MCQ) #116 focuses on Structured Query Language (SQL) within the "Advanced ICT MCQ" category. This question examines the difference between the HAVING and WHERE clauses in SQL.

Structured Query Language (SQL) MCQ #117:

Which SQL clause is used to exclude records from the result set that do not meet the specified condition?

Structured Query Language (SQL) MCQ #118:

What type of index allows for faster searching by creating a data structure for efficient querying?

Structured Query Language (SQL) MCQ #119:

Which type of trigger is used to automatically execute a set of actions in response to data modification events?

Structured Query Language (SQL) MCQ #120:

Which statement describes a SQL trigger's purpose?

This page was last modified on Dec 30, 2024 by ICT MCQ Hub.

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This online test, titled "Structured Query Language (SQL) Multiple Choice Questions (MCQ) Online Test #12" is designed for individuals at the advanced level and focuses on "Structured Query Language (SQL)". It consists of 10 carefully crafted multiple choice questions (MCQs) with five options each that assess advanced knowledge and understanding of the subject matter. This test aims to help participants evaluate their grasp of key concepts related to "Structured Query Language (SQL)".

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