38 Best Database Questions and Answers (Q&A) - ProProfs Discuss

What are the disadvantages of paper-based databases?

N. Kingsley, Writer
Answered: Jul 11, 2018

Paper-based databases can immediately get lost. You may place it in a folder and then forget the folder somewhere else. When you know that the database needs to be copied, you may have to do it...Read More

3 Answers

1789 views

What is a database in a database?

Mike John, Content Explorer
Answered: Nov 30, 2020

When a developer sets out to create new data he has to ensure he provides good data quality and is able to incorporate and integrate different systems in the main. Moreover, all the integrated...Read More

3 Answers

1122 views

Who is responsible for authorizing access to the database, for co-ordinating and monitoring its use, acquiring software, and hardware resources, controlling its use and monitoring efficiency of...

Mrcoolnk
Answered: Dec 13, 2016

Database administrators: They are responsible for authorizing access to the database for coordinating and monitoring its use,acquiring software, and hardware resources, controlling its use and...Read More

2 Answers

872 views

What is a field in a table that appears as a match of the primary key in another table called?

C. Block, English Professor
Answered: May 02, 2019

This can be related to the primary key but this time, when you click on the foreign key, it will refer you to the primary table. One table may have more than one foreign keys. It will depend on...Read More

2 Answers

635 views

What is a recommended practice with regard to the Apex CPU limit?

G. Roland, Professor
Answered: Sep 10, 2018

You do not want to experience the APEX CPU time limit exceeded message. There are different considerations that you should do. First is letter B. You can use maps for cache so that you can work...Read More

3 Answers

567 views

What does it mean for a user to access a database through a multi-tier infrastructure?

John Smith
Answered: Sep 26, 2021

The user accesses the database through web or application servers

1 Answer

538 views

Which technique may reduce the heap size if developer encounters an error that states that the Apex heap size is exceeded?

J. Harty, Writer
Answered: Jan 25, 2019

D is the answer to this question. The developer would need to use SOQL instead of the SOQL queries for the loops. The developer is also known as the programmer. This is the person responsible for...Read More

3 Answers

523 views

What is a node used for in a linked list?

John Smith
Answered: Sep 26, 2021

To store the information and the link to the next item

1 Answer

520 views

The weight of 50 students in pounds are given below: 82 95 120 174 179 176 159 91 85 175 88 160 97 133 159 176 151 115 105 172 170 128 112 101 123 117 93 117 99 ...

Sweetsalman
Answered: Sep 26, 2021

12,11,6,9,12

1 Answer

443 views

What are the concepts of database?

MUJPR
Answered: Sep 26, 2021

The definition of a view should not have GROUP BY clause in it

1 Answer

438 views

What are the benefits of database?

J. Goodman, Web Content Writer
Answered: Sep 20, 2018

Connect Api is a feature of Chatter, an API development that enables the salesforce to connect safely and usefully with others. It is the social network of any Salesforce. Salespeople can post...Read More

3 Answers

433 views

Which gives the logical structure of database graphically?

L. Brett, Sales Manager
Answered: May 23, 2019

An Entity-Relationship Diagram is also known as ERD. This will show the relationship of the different entity sets that are located in one database. The entity is usually an object or one of the...Read More

2 Answers

404 views

What are 3 types of databases?

Pal
Answered: Sep 26, 2021

The “Executed Units” tab under the Execution Overview Panel.

1 Answer

388 views

What is database and its importance?

Pal
Answered: Sep 26, 2021

Include Database.AllowCallout() in the class definition.

1 Answer

356 views

What are the 4 types of database?

W. Wright, Biology student
Answered: Mar 27, 2019

You can understand this question better if you would list down all of the details that are mentioned. It says here that Q is a doctor, U is a contractor, S is a housewife. You now have two...Read More

2 Answers

346 views

Database Questions and Answers (Q&A)

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