Technology Questions

Q:

What is purpose of VSAM?

Answer

VSAM acts as an interface between Application program & Operating System.

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Q:

Where SQL server user names and passwords are stored in SQL server?

Answer

They get stored in System Catalog Views sys.server_principals and sys.sql_logins.

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Subject: SQL

0 3124
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.

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0 3117
Q:

Which JavaScript objects are not accessible to web worker?

Answer

Following JavaScript objects are not accessible to web worker: 


- The window object


- The document object


- The parent object

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Subject: Web Technology

0 3116
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.

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Subject: IOS

2 3114
Q:

Keeping the actoins and attributes together under a single unit is called 

A) Encapsulation B) Information Hiding
C) Polymorphism D) Inheritance
 
Answer & Explanation Answer: A) Encapsulation

Explanation:

Encapsulation is a process of binding the data objects together under a single unit.It is one ofthe elements of oops

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Filed Under: Java

0 3113
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

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Subject: Web Technology
Job Role: Software Architect

0 3110
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.

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Subject: Oracle

0 3105