Most answered questions in Database

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What is Functional dependency?

A relation is said to be in ...READ MORE

Aug 10, 2018 in Database by DataKing99
 • 8,130 points • 55 views
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Database Lock and its types.

Database lock basically signifies the transaction about ...READ MORE

Aug 9, 2018 in Database by CodingByHeart77
 • 3,690 points • 26 views
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Cursor and Its Types

The cursor is a temporary work area ...READ MORE

Aug 9, 2018 in Database by CodingByHeart77
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Data Models operations HBase

Put Method – To store data in ...READ MORE

Aug 9, 2018 in Database by kurt_cobain
 • 9,260 points • 37 views
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Modify schema in HBase using Programs

HBase schemas can be created or updated ...READ MORE

Aug 9, 2018 in Database by kurt_cobain
 • 9,260 points • 30 views
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Access HFile without using Hbase

Yes, it's very much possible to access ...READ MORE

Aug 9, 2018 in Database by kurt_cobain
 • 9,260 points • 28 views
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Thrift in Hbase

Apache Thrift is written in C++ but ...READ MORE

Aug 9, 2018 in Database by kurt_cobain
 • 9,260 points • 55 views
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Failure of moveChunks - MongoDB

No, chunk moves are consistent and deterministic. ...READ MORE

Aug 3, 2018 in Database by kurt_cobain
 • 9,260 points • 35 views
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Connection Mongos check - MongoDB

The following command needs to be used ...READ MORE

Aug 3, 2018 in Database by kurt_cobain
 • 9,260 points • 44 views
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Filters in HBase

ColumnPrefixFilter: takes a single argument, a column ...READ MORE

Jul 31, 2018 in Database by kurt_cobain
 • 9,260 points • 888 views
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Compaction HBase

Compaction is a process which is used ...READ MORE

Jul 31, 2018 in Database by kurt_cobain
 • 9,260 points • 62 views
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Locking or Transactions MongoDB

MongoDB does not use conventional locking with ...READ MORE

Jul 24, 2018 in Database by shams
 • 3,580 points • 117 views
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Why is MongoDB preferred?

MongoDB is considered to be best NoSQL ...READ MORE

Jul 24, 2018 in Database by shams
 • 3,580 points • 45 views
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Delete row in HBase

In Hbase, whatever you write will be ...READ MORE

Jul 23, 2018 in Database by kurt_cobain
 • 9,260 points • 211 views
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Key Components of HBase

Zookeeper: It does the co-ordination work between client ...READ MORE

Jul 23, 2018 in Database by kurt_cobain
 • 9,260 points • 93 views
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Using Real Time flume Data for Analysis

By using MorphlineSolrSink we can extract, transform ...READ MORE

Jul 17, 2018 in Database by kurt_cobain
 • 9,260 points • 66 views
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Data model operations in Hbase

1. Get(returns attributes for a specified row, Gets ...READ MORE

Jul 16, 2018 in Database by Data_Nerd
 • 2,360 points • 48 views
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HLog and WAL in Hbase.

All edits in the HStore are stored ...READ MORE

Jul 16, 2018 in Database by Data_Nerd
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Connection in Hbase

Following code is used to open a ...READ MORE

Jul 11, 2018 in Database by Data_Nerd
 • 2,360 points • 56 views
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Standalone Mode in Hbase

It is a default mode of HBase. ...READ MORE

Jul 11, 2018 in Database by kurt_cobain
 • 9,260 points • 647 views
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Table design approach Hbase

Tall-Narrow and Flat-Wide are the two HBase ...READ MORE

Jul 10, 2018 in Database by Data_Nerd
 • 2,360 points • 280 views
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What is MSLAB and LZO?

MSLAB stands for Memstore-Local Allocation Buffer. Lempel-Ziv-Oberhumer (LZO) ...READ MORE

Jul 10, 2018 in Database by Data_Nerd
 • 2,360 points • 123 views
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Python Stress Test

Cassandra comes with a popular utility called ...READ MORE

Jun 29, 2018 in Database by Data_Nerd
 • 2,360 points • 169 views
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Logging Levels in Cassandra

ALL: All levels including custom levels TRACE: Designates finer-grained informational ...READ MORE

Jun 28, 2018 in Database by shams
 • 3,580 points • 39 views
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Database Repair Options in Cassandra

Anti Entropy: Anti-entropy Repair is a process of ...READ MORE

Jun 28, 2018 in Database by kurt_cobain
 • 9,260 points • 193 views
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Which SQL server should we use for SQL queries to be executed?

I mean to say which SQL server ...READ MORE

Aug 17 in Database by Sonali
 • 39 views
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How to install Oracle DB on ubuntu?

Can anyone help me with the step ...READ MORE

Feb 28 in Database by Sukanya Rajput
 • 63 views
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define storing process

Feb 20 in Database by anonymous
 • 25 views
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Different between mongoDB and Postgresql

Any one can you explain different between ...READ MORE

Feb 8 in Database by Ajay
 • 53 views
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What are the most common types Of Datawarehouse?

Jan 16 in Database by hemant
 • 5,750 points • 29 views
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How to secure email ?

do you think how to secure email ...READ MORE

Dec 21, 2018 in Database by hill
 • 120 points
edited Jan 7 by hill • 64 views
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