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Database Questions and Answers (Q&A)

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

1412 views
Which of the following is a partial dependency? Given the table EMP_PROJ (PROJ_NUM, EMP_NUM, PROJ_NAME, EMP_NAME, JOB_CLASS, CHG_HOURS, HOURS).
Chris Kenway, Content Writer
Answered: Apr 09, 2019
The correct answer is option A
Partial dependency is a form of dependency when non-prime attributes is functionally dependent on a part of the candidate key.
To better understand...Read More

2 Answers

928 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

492 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

396 views
How should the developer meet this following requirement? A developer must create a way for external partners to submit millions of leads into Salesforce perday.
MS vineesh
Answered: Aug 21, 2018

B. Create a web service on Heroku that uses Heroku Connect.

2 Answers

375 views
What does it mean for a user to access a database through a multi-tier infrastructure?
John Smith
Answered: Oct 25, 2020
The user accesses the database through web or application servers

1 Answer

354 views
Which statement is true about using ConnectApi namespace (also called Chatter in Apex)?
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

343 views
How can the developer meet these following requirements?A developer must create a custom pagination solution for accessing approximately 2000 recordsand displaying 50 records on each page. Data...
H. Martin, Content Writer
Answered: Aug 28, 2018
At times, a worker using Salesforce in their company may need to access a large amount of records at one time and they will want it displayed together, so that they will be able to look at them...Read More

2 Answers

338 views
What is a node used for in a linked list?
John Smith
Answered: Oct 25, 2020
To store the information and the link to the next item

1 Answer

334 views
What is the optimal functionality in the Developer Console to count the number of calls made to the method if a developer has a Debug method within a class, which is invoked hundreds of times?
Pal
Answered: Oct 25, 2020
The “Executed Units” tab under the Execution Overview Panel.

1 Answer

320 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: Oct 25, 2020
12,11,6,9,12

1 Answer

320 views
What is the profession of P? A family consists of six members P, Q, R, S, T, and U. There are two married couples. Q is a doctor and the father of T. U is the grandfather of R and is a contractor....
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

317 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

313 views
What is the difference between LDAP and Database?
Bergeront Tiffney, Computer Engineer
Answered: Jul 22, 2019
Whenever you need to organize data because you have a lot of data and need to have access to specific pieces of data, you should enter them into some database. However, there are two types of...Read More

1 Answer

269 views
How should the developer enable this functionality? A developer is working on code that requires a call to an external web service from a batch.
Pal
Answered: Oct 25, 2020
Include Database.AllowCallout() in the class definition.

1 Answer

265 views

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