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  1. Computer
  2. Database

Database Questions and Answers (Q&A)

What are the disadvantages of paper-based databases?
N. Kingsley, Writer
Answered: Jul 11, 2018
Out of all the statements that are mentioned for this question, only letter C is not true. Paper-based databases can immediately get lost. You may place it in a folder and then forget the folder...Read More

3 Answers

1367 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

910 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
C is the answer to this question. 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...Read More

2 Answers

476 views
What is a consideration when testing batch Apex?
J. Shatner, Content writer
Answered: Sep 10, 2018
The consideration is letter B. Batch APEX is actually very important. This is something used in order to build processes that can be used for thousands of records when used on the lightning...Read More

4 Answers

394 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

381 views
Which data type should they use for the Order ID field? Northern Trail Outfitters (NTO) assigns a 15- digit integer as their Order ID which will be used as the primary key of a data extension....
J. Harty, Writer
Answered: May 30, 2019
A is the answer to this question. The order ID field is conducive because it places all of the items that the customers want under one order. You can imagine how problematic it would be if the...Read More

3 Answers

369 views
Which asynchronous feature should be used if a developer has been asked to create code that will meet the following requirements?Receives input of: Map Performs a potentially long-running...
M. Krasinski, Content Writer
Answered: Jan 28, 2019
Asynchronous features are those where two or more features are not taking place at the same time, but they are taking place at different times. Often times, this may be used with codes and in...Read More

4 Answers

368 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

366 views
What debugging approach using the Developer Console provides the fastest and most accurate mechanism to identify a specific component that may be returning an unexpected number of rows? A...
Pal
Answered: Sep 25, 2020
Filter the Debug Log on SOQL_EXECUTE_END statements to track the results of each SOQL Query.

1 Answer

361 views
What code should the developer use to authenticate if a developer has generated Apex code from a WSDL for an external web service and the web service requires basic authentication?
R. Jones, Student
Answered: May 17, 2019
The correct answer to this question is B, Stub . inputhth-Ieader3_x.put (Authorization, Basic QthZGprjpchVuIHIQchE‘tZQ: This code would be used on the cloud-based software, Salesforce. In...Read More

3 Answers

354 views
What could be the cause of the issue in the following case? A developer writes the following Apex trigger so that when a Case is closed, a single Survey record is created for that Case. The issue...
Justanotherdev inthewild, Dev
Answered: Mar 23, 2019
A user updating the record multiple times does not look like the answer if you think about it. The trigger checks if the closed checkbox was previously unchecked. Now if a user was to uncheck the...Read More

4 Answers

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

1 Answer

344 views
What should the developer do? A developer writes the following code:public with sharing class OrderControllerpublic PaqeReference sendOrder()Order__c order = new Order__cinsert order;ExternalOrder...
Pal
Answered: Sep 25, 2020
Move the web service callout into an @future method.
Use Database.insert (order, true) to immediately commit any database changes.

1 Answer

331 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

329 views
What is a best practice when unit testing a controller?
Sue
Answered: Jun 30, 2018
Https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_controller_error_handling.htm B. Verify correct page references by using getURLU
D. Set query paramet...Read More

3 Answers

324 views

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