DNS : The Domain Name System

domain name system - DNS

DNS : The Domain Name System

March 28, 2018 Satya Prakash 3 Comments and so fourth. Like in the file system, basic of dns, basis of dns, Because of sheer numbers of hosts on the Internet, but its maintenance because so painful that Berkeley had to step in with the Domain Name System (DNS). DNS is a distributed system that is scalable, DNS : The Domain Name System, DNS concepet, easy, hosts belongs to domains, It introduces three key concepts: A hierarchical organization of host names A distributed database for performing the name-address mappings. Delegation of authority to individual levels of hierarchy. , signified by a . (dot). The root domain has immediately below it a number of top level domains (TLDs) or generic domains like edu and com. These in turn have number of sub domains or second level doma, these domains and sub domains form a hierarchy with the root domain as the top, we can't use host's file (/etc/hosts) them. The ineternet has centralized file in its teens, what is DNS, what is domain name system, which in turn could belong to sub domains

Why we use DNS? To know this follow the link http://t4test.com/blog/etchosts-the-host-file/ Because of sheer numbers of hosts on the Internet, we

MySQL Cluster

mysql get date interval of 30 days

March 26, 2018March 26, 2018 Satya Prakash 0 Comments date - MySQL Query - Records between Today and Last 30, Getting mysql result from the last 30 days, How to select last 30 days dates in MySQL?, learn mysql, MySQL, mysql date between interval, mysql get data of date range, mysql get date interval of 30 days, mysql get date interval of 7 days, mysql query, mysql query get date interval, mysql select dates in 30-day range, mysql tutorial, Selecting 30 days or older entries using MySQL DateTime, Selects all rows with a start_date value from within the last date

Very often we need to extract last 30 days, 7 days data from mysql DB. Here we will show easy way

MySQL Cluster

MySQL Cluster – Core Concept

February 26, 2017 Satya Prakash 0 Comments

NDBCLUSTER (also known as NDB) is an in-memory storage engine offering high-availability and data persistence features. The NDBCLUSTER storage engine

MySQL Cluster

MySQL Cluster Overview

February 25, 2017 Satya Prakash 0 Comments clustering in mysql, MySQL, mysql cluster, mysql cluster basic, MySQL Cluster Overview

MySQL Cluster is a technology that enables clustering of in-memory databases in a shared-nothing system. The shared-nothing architecture enables the

MySQL Cluster

Setting of Resource Limit of MySQL User-Account

February 23, 2017 Satya Prakash 0 Comments MySQL, mysql query limit, mysql security, mysql user query limit, mysql user query limit setting, mysql user query restrict, resource limit setting in mysql, restrict resource limit of mysql user, Setting of Resource Limit of MySQL User-Account

One means of restricting client use of MySQL server resources is to set the global max_user_connections system variable to a

MySQL Cluster

MySQL User Names and Passwords – MySQL Security

February 23, 2017February 23, 2017 Satya Prakash 0 Comments MySQL, mysql pasword securtiy, mysql security, mysql user name differ from linux or unix login user name, mysql user name security, MySQL User Names and Passwords - MySQL Security, user name and password security mysql

MySQL stores accounts in the user table of the mysql system database. An account is defined in terms of a

MySQL Cluster

Clear query cache without restarting server : MySQL

January 18, 2017May 8, 2018 Satya Prakash 0 Comments clear cache mysql, clear query cache, Clear query cache without restarting server : MySQL, flush memory, Flush Memory Cache on Linux Server, flush memory linux, flush query cache, mysql flush query chache

Clear Memory Cache on Linux centos RESET QUERY CACHE will clear out the query cache, but needs RELOAD privileges. RESET

callcenter Solution

AHT : Average Handling Time In Call Center

October 6, 2016October 6, 2016 Satya Prakash 0 Comments AHT : Average Handling Time Ina Call Center, aht calculation, aht calculation for a day in callcenter, calculate AHT Time, call center reporting aht, dialer, dialer reporting, what is aht

In call center language Average Handle Time is also known as AHT. Some organizations also use the term ACHT which

turbo-c

C Tutorial Tutorial

The loop Control Structure in C

July 1, 2016July 1, 2016 Satya Prakash 1 Comment basic c tutorial, c programmnig, c tutorial, Control Structure in C, learn c, loop Control Structure in C, loop in c, The loop Control Structure, The loop Control Structure in C

The programs that we have learned/developed in this tutorial so far used either a sequential or a decision control instruction.

C Programming Tutorial

C Tutorial Tutorial

The Conditional Operators in C

June 24, 2016 Satya Prakash 0 Comments binary operator, summary of The Decision Control Structure, The Conditional Operators, The Conditional Operators in c, The Decision Control Structure, unary operator

The conditional operators ? and : are sometimes called ternary operators since they take three arguments. In fact, they form