Technology Questions

Q:

Describe about Physical Data Integration?

Answer

- Physical Data Integration is all about creating new system that replicates data from the source systems.


- This process is done to manage the data independent of the original system.


- Data Warehouse is the example of Physical Data Integration.


- The benefits of PDI include data version management, combination of data from various sources, like mainframes, flat files, databases.


- A separate system is needed for handling vast data volumes.


 

Report Error

View answer Workspace Report Error Discuss

0 3027
Q:

What is Catalog Manager? How to move reports and dashboards using Catalog Manager?

Answer

Catalog Manager supports command line options.


 


To move reports and dashboards, we need to use some general syntax using catalog manager.


 


e.g:


catalogmanager -online/offline


-cmd {report | replace | export}


{command line options}


In extra, by keeping it online, This will automatically open up the catalog 


manager without having the need to enter the connection details every time.

Report Error

View answer Workspace Report Error Discuss

0 3024
Q:

Who calls the main function of app during the app launch cycle?

Answer

During app launching, the system creates a main thread for the app and calls the app’s main function on that main thread. The Xcode project's default main function hands over control to the UIKit framework, which takes care of initializing the app before it is run.

Report Error

View answer Workspace Report Error Discuss

Subject: IOS

2 3017
Q:

HTML documents are saved in

A) Machine language codes B) ASCII text
C) Special binary format D) None of the above
 
Answer & Explanation Answer: B) ASCII text

Explanation:

Word and WordPad can save documents as ASCII text and HTML, but this approach can lead to problems. NotePad should launch with a new document open.

From the File pull-down menu, Select "Save As," save the file to the Desktop, and name the file using the ".html" extension (e.g., "home.html").

Report Error

View Answer Report Error Discuss

0 3017
Q:

How do you destroy a particular or all Sessions?

Answer

<?php
session_start();
// store session data
$_SESSION['views']=1;
unset($_SESSION['views']); // If you wish to delete some session data, you can use the unset()
session_destroy(); // You can also completely destroy the session by calling the session_destroy() function. session_destroy() will reset your session and you will lose all your stored session data.
?>

Report Error

View answer Workspace Report Error Discuss

Subject: PHP

0 3017
Q:

What is data cleaning? How can we do that?

Answer

Data cleaning is also known as data scrubbing. Data cleaning is a process which ensures the set of data is correct and accurate. Data accuracy and consistency, data integration is checked during data cleaning. Data cleaning can be applied for a set of records or multiple sets of data which need to be merged.


Data cleaning is performed by reading all records in a set and verifying their accuracy. Typos and spelling errors are rectified. Mislabeled data if available is labeled and filed. Incomplete or missing entries are completed. Unrecoverable records are purged, for not to take space and inefficient operations.

Report Error

View answer Workspace Report Error Discuss

0 3012
Q:

What is a REPL in context of Node.js?

Answer

Read - Reads users input, parse the input into JavaScript data-structure and stores in memory


Eval - Evaluates the data structure


Print - Prints the result


Loop - Loops the above command until user press ctrl-c twice

Report Error

View answer Workspace Report Error Discuss

Subject: Web Technology
Job Role: Software Architect

0 3010
Q:

How does the PeopleSoft database interact with the Oracle?

Answer

A Peoplesoft database is expression which point out a database containing Peoplesoft objects. For Oracle and only for Oracle, Peoplesoft consists in 3 schemas namely:


- PS (PSDBOWNER table owner),


- PEOPLE (for connection checking) and


- SYSADM (by default), the last one contains all the objects/data.


One of the database objects is connected with single Oracle schema, and all processes that connect to the database use the standard PSFT login procedure. PSFT login is used because to refer to the collection of tables in the administrative schema within an Oracle database. Every process that makes a 2-tier connection to the database identifies itself with a PSFT user or operator ID. Hence the interaction goes.

Report Error

View answer Workspace Report Error Discuss

Subject: Oracle

0 3009