John D K

John D K

Group by and string concatenation in Oracle and MySQL

It's a common operation in DB to have

Simple Project Plan for web application and cost

How to start app development. The application * First you need

Windows 10 list environment variables by command line

What are environment variables They are special feature of OS

Nice article about 10 SQL optimisations: MySQL, Oracle, SQL Server, DB2, PostgreSQL

Recently I found a very nice article explaining in great

MySQL: VARCHAR or TEXT for long text fields

In this post: * Varchar vs Text use cases * Varchar vs

Oracle refresh statistics on owner/table

Check is it needed update of statistics If you want

MySQL How to find highest and lowest value

If you want to find the highest or the lowest

C++ - Documentation

* Official Website https://isocpp.org/ * Documentation http://devdocs.io/cpp/

Groovy - Documenration

* Official Website groovy-lang.org * Official Documentation http://groovy-lang.org/documentation.

Grails - Documentation++

What is Grails Grails is a Java based web application