×

Multiple-Choice Questions

Web Technologies MCQs

Computer Science Subjects MCQs

Databases MCQs

Programming MCQs

Testing Software MCQs

Digital Marketing Subjects MCQs

Cloud Computing Softwares MCQs

AI/ML Subjects MCQs

Engineering Subjects MCQs

Office Related Programs MCQs

Management MCQs

More

Apache Derby Multiple-Choice Questions (MCQs)

Apache Derby, an Apache DB subproject, is an open source relational database implemented entirely in Java and available under the Apache License, Version 2.0.

Apache Derby MCQs: This section contains multiple-choice questions and answers on the various topics of Apache Derby. Practice these MCQs to test and enhance your skills on Apache Derby.

List of Apache Derby MCQs

1. Apache Derby is written in ____ programming language?

  1. Java
  2. C
  3. C++
  4. Python

Answer: A) Java

Explanation:

Apache Derby is written in Java programming language.

Discuss this Question


2. Apache Derby is ____?

  1. Non-relational database management system
  2. Relational database management system

Answer: B) Relational database management system

Explanation:

Apache Derby is relational database management system.

Discuss this Question


3. Is Apache Derby open-source?

  1. Yes
  2. No

Answer: A) Yes

Explanation:

Apache Derby is open-source.

Discuss this Question


4. Apache Derby is developed by ____?

  1. Facebook
  2. Microsoft
  3. Google
  4. Apache

Answer: D) Apache

Explanation:

Apache Derby is developed by Apache software foundations.

Discuss this Question


5. Is Apache Derby platform independent?

  1. Yes
  2. No

Answer: A) Yes

Explanation:

Yes, Apache Derby platform independent.

Discuss this Question


6. Indexes for datatypes such as BLOB and LONGVARCHAR are supported by Derby? Yes or No?

  1. Yes
  2. No

Answer: B) No

Explanation:

Indexes for datatypes such as BLOB and LONGVARCHAR are not supported by derby.

Discuss this Question


7. Apache Derby follows the concept of ____?

  1. Separation
  2. Aggregation
  3. conglomerate

Answer: C) conglomerate

Explanation:

Apache Derby follows the concept of conglomerate.

Discuss this Question


8. How many modes are there to deploy Apache Derby?

  1. 5
  2. 4
  3. 3
  4. 2

Answer: D) 2

Explanation:

Apache Derby may be deployed in two modes: embedded mode and server mode.

Discuss this Question


9. When Derby is deployed in ____ mode, the database engine runs in the same JVM as the Java application?

  1. Embedded
  2. Server

Answer: A) Embedded

Explanation:

When Derby is deployed in embedded mode, the database engine runs in the same JVM as the Java application.

Discuss this Question


10. Which of the following tools provides information about the Java and Derby environments?

  1. Sysinfo
  2. Ij
  3. Dblook

Answer: A) Sysinfo

Explanation:

sysinfo tool provides information about the Java and Derby environments.

Discuss this Question


11. You may use ____ tool to run Apache Derby scripts and queries?

  1. Sysinfo
  2. Ij
  3. Dblook
  4. Jar

Answer: B) Ij

Explanation:

You may use ij tool to run Apache Derby scripts and queries.

Discuss this Question


12. To produce Data Definition Language ____ tool is utilised?

  1. Sysinfo
  2. Ij
  3. Dblook
  4. Jar

Answer: C) Dblook

Explanation:

To produce Data Definition Language, Dblook tool is utilised.

Discuss this Question


13. Which of the following command Create a database in Apache Derby?

  1. NEW DATABASE
  2. CREATE DATABASE
  3. CREATE DB
  4. NEW DB

Answer: B) CREATE DATABASE

Explanation:

CREATE DATABASE command helps us to create a database in Apache Derby.

Discuss this Question


14. Which of the following command helps us to create a table in Apache Derby?

  1. CREATE NEW TABLE
  2. NEW TABLE
  3. CREATE TABLE

Answer: C) CREATE TABLE

Explanation:

CREATE TABLE command helps us to create a table in Apache Derby.

Discuss this Question


15. To obtain data from a table, use the ____ command.

  1. SELECT
  2. GET
  3. USE

Answer: A) SELECT

Explanation:

To obtain data from a table, use the SELECT command.

Discuss this Question


16. In Apache Derby, a ____ is a logical container that holds a collection of database objects including tables, views, indexes, and procedures?

  1. Table
  2. View
  3. Schema

Answer: C) Schema

Explanation:

In Apache Derby, a schema is a logical container that holds a collection of database objects including tables, views, indexes, and procedures.

Discuss this Question


17. In Apache Derby, a ____ is a fundamental database object that contains a collection of rows and columns reflecting a specific set of data?

  1. Table
  2. View
  3. Schema

Answer: A) Table

Explanation:

In Apache Derby, a table is a fundamental database object that contains a collection of rows and columns reflecting a specific set of data.

Discuss this Question


18. Apache Derby provides how many types of updates?

  1. 5
  2. 4
  3. 3
  4. 2

Answer: D) 2

Explanation:

Apache Derby supports two sorts of updates (syntax) namely searched update and positioned update.

Discuss this Question


19. Apache Derby provides how many types of delete?

  1. 5
  2. 4
  3. 3
  4. 2

Answer: D) 2

Explanation:

Apache Derby supports two sorts of Delete namely searched delete and positioned delete.

Discuss this Question


20. The ____ delete statement deletes all of the columns given in a table?

  1. Searched
  2. Positioned

Answer: A) Searched

Explanation:

The searched delete statement deletes all of the columns given in a table.

Discuss this Question


21. The GROUP BY clause is used with ____ statements?

  1. WHERE
  2. SELECT
  3. ORDER BY

Answer: B) SELECT

Explanation:

The GROUP BY clause is used with SELECT statements.

Discuss this Question


22. A table ____ is nothing more than a reference to its data.

  1. Index
  2. Data
  3. ID
  4. Key

Answer: A) Index

Explanation:

A table index is nothing more than a reference to its data.

Discuss this Question


23. ____ indexes are used for data integration in Apache Derby?

  1. Primary
  2. Composite
  3. Unique

Answer: C) Unique

Explanation:

UNIQUE indexes are used for data integration in Apache Derby.

Discuss this Question


24. A ____ index is a single index that is created on two rows?

  1. Composite
  2. Equity
  3. Primary
  4. Unique

Answer: A) Composite

Explanation:

A Composite index is a single index that is created on two rows.

Discuss this Question


25. Which of the following statement is used to create a procedure in Apache Derby?

  1. NEW PROCEDURE
  2. CREATE PROCEDURE
  3. CREATE NEW PROCEDURE

Answer: B) CREATE PROCEDURE

Explanation:

CREATE PROCEDURE statement is used to create a procedure in Apache Derby.

Discuss this Question


26. ____ are statements or code that are performed whenever an event occurs in a database.

  1. Triggers
  2. Events
  3. Hooks

Answer: A) Triggers

Explanation:

Triggers are statements or code that are performed whenever an event occurs in a database.

Discuss this Question


27. Which of the following create a trigger in Derby?

  1. CREATE NEW TRIGGER
  2. TRIGGER
  3. CREATE_TRIGGER
  4. CREATE TRIGGER

Answer: D) CREATE TRIGGER

Explanation:

CREATE TRIGGER statement creates a trigger in Derby.

Discuss this Question


28. Which of the following statement helps us to drop the view in Apache derby?

  1. DELETE VIEW
  2. DROP VIEW
  3. DELETE VIEW_NAME

Answer: B) DROP VIEW

Explanation:

DROP VIEW statement is used to drop the view in the Apache Derby.

Discuss this Question


29. ____ are rules that are applied to data in a table to guarantee data integrity and compliance with particular standards?

  1. Constraints
  2. Limitations
  3. Restrictions

Answer: A) Constraints

Explanation:

Constraints are rules that are applied to data in a table to guarantee data integrity and compliance with particular standards.

Discuss this Question


30. ____ are virtual tables that are defined by SQL queries?

  1. Table
  2. Database
  3. Columns
  4. Schemas
  5. Views

Answer: E) Views

Explanation:

Views are virtual tables that are defined by SQL queries.

Discuss this Question


31. A ____ key is a column or combination of columns in a database that relates to another table's primary key?

  1. Primary key
  2. Foreign Key
  3. Composite Key

Answer: B) Foreign Key

Explanation:

A foreign key is a column or combination of columns in a database that relates to another table's primary key.

Discuss this Question


32. Is Derby completely ACID-compliant?

  1. Yes
  2. No

Answer: A) Yes

Explanation:

Derby is completely ACID-compliant, which means it supports Atomic, Consistent, Isolated, and Durable transactions.

Discuss this Question


33. Derby support which of the following?

  1. Single-user environment
  2. Multi-user environment
  3. Both
  4. None

Answer: C) Both

Explanation:

Derby supports both single-user and multi-user environments.

Discuss this Question


34. In Apache Derby, a ____ is a point inside a transaction that allows you to roll back only a portion of the transaction.

  1. Savepoint
  2. Extraction point
  3. Transaction pause

Answer: A) Savepoint

Explanation:

In Apache Derby, a savepoint is a point inside a transaction that allows you to roll back only a portion of the transaction.

Discuss this Question


35. A ____ object is used to run a dynamic SQL query with parameters.

  1. PreparedStatement
  2. Statement

Answer: A) PreparedStatement

Explanation:

A PreparedStatement object is used to run a dynamic SQL query with parameters.

Discuss this Question


36. A ____ object is used to run a static SQL statement with no input parameters.

  1. PreparedStatement
  2. Statement

Answer: B) Statement

Explanation:

A Statement object is used to run a static SQL statement with no input parameters.

Discuss this Question


37. Derby will only accept connections from the ____ by default.

  1. Localhost
  2. Any host

Answer: A) Localhost

Explanation:

Derby will only accept connections from the localhost by default.

Discuss this Question


38. To connect to the network server using Java code, the ____ file must be on your classpath.

  1. derbyhost.jar
  2. derbyserver.jar
  3. derbyjava.jar
  4. derbyclient.jar

Answer: D) derbyclient.jar

Explanation:

To connect to the network server using Java code, the derbyclient.jar file must be on your classpath.

Discuss this Question


39. Which of the following companies are using Apache derby?

  1. IBM
  2. Sun microsystem
  3. Eclipse foundation

Answer: C) Eclipse foundation

Explanation:

Following companies are using apache derby:

  • IBM
  • Sun microsystem
  • Eclipse foundation

Discuss this Question


40. The derby server will be listening on port ____ by default?

  1. 3000
  2. 3010
  3. 1527
  4. 8000

Answer: D) 8000

Explanation:

The derby server will be listening on port 1527 by default.

Discuss this Question




Comments and Discussions!

Load comments ↻





Copyright © 2024 www.includehelp.com. All rights reserved.