Technology Questions

Q:

What’s the difference between htmlentities( ) and htmlspecialchars( )?

Answer htmlspecialchars only takes care of , single quote ‘, double quote " and ampersand. htmlentities translates all occurrences of character sequences that have different meaning in HTML.
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Subject: PHP

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Q:

What is the location of the Active Directory database?

Answer

The Active Directory database is stored on domain controllers and is accessible by network applications. All domains can be domain controllers and keep a copy of the Active Directory database in C:\windows\Ntds\Ntds.dit

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Q:

What is LINQ ?

Answer

LINQ stands for " Language Integrated Query " and it is pronounced as "LINK".
LINQ was introduced in with .NET framework 3.5 including VS2008. It enables you to query the data from various data source like SQL, XML document, ADO .NET data source, web services and any other objects such as Collection, Generics etc...

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Subject: Oracle

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Q:

What do you understand by MapReduce?

Answer

MapReduce is a software framework that was created by Google. It`s prime focus was to aid in distributed computing, specifically large sets of data on a group of many computers. The frameworks took its inspiration from the map and reduce functions from functional programming.

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Subject: Cloud Computing

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Q:

What is ODBC SQLPASSTHROUGH option?

Answer

We use SQLPASSTHROUGH options when we need applications to access data both in the front-end and back-end data servers with a single connection. SQL statements that cannot be executed in the solidDB front-end server are passed over to the back end. 


SQLPASSTHROUGH mode can be set as per session or per transaction. The connection between the front end and back end is made with a back-end compatible ODBC driver which is loaded dynamically in solidDB server.

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Subject: Oracle

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Q:

Describe the .NET base class library

Answer

.NET’s Base class library exists in order to encapsulate huge number of common functions and makes them easily accessible to the developer. .NET base class library provides the functionality like ADO.NET, XML, Threading, IO, Security, Diagnostics, Resources, Globalization, collections etc. It serves as the main point of interaction between developer and runtime.

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Subject: .NET

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Q:

Explain the use of keyword WITH ENCRYPTION. Create a Store Procedure with Encryption

Answer

It is a way to convert the original text of the stored procedure into encrypted form. The stored procedure gets obfuscated and the output of this is not visible to


CREATE PROCEDURE Abc


WITH ENCRYPTION


AS


<< SELECT statement>>


GO

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Subject: SQL

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Q:

A data warehouse is composed of

A) current data B) internal and external data sources
C) historical data from legacy systems D) historical & current data
 
Answer & Explanation Answer: C) historical data from legacy systems

Explanation:

A data warehouse is a relational database that is designed for query and analysis rather than transaction processing. It usually contains historical data that is derived from transaction data, but it can include data from other sources. Data warehouses are designed to help you analyze your data.

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Filed Under: Oracle
Job Role: Database Administration , IT Trainer

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