John D K

John D K

Full back up, update and reinstall of MySQL Ubuntu 16

Back up MySQL manually or by script Manual back up

Oracle, MySQL - select max and return multiple values

A common problems in SQL are to find the data

Laws of Computer Programmers

Funny laws of the 'real' programmer. If you

Oracle indexes - create, rebuild, select, drop

Select all indexes by status Check indexes by status by

SQL concatenate examples

Concatenation basics * concatenation functions: * Oracle - concat * MySQL - concat * MSSQL - concat

SQL Count not null values in every table column

In this post: * SQL count null and not null values

Popular programming languages 2017 and trends

Many popular sites publish analysis and statistics about which languages

How to open and search huge files - Windows, Linux

Most people have different definitions for huge files and moreover

Ubuntu 18.04 How to Install, Reinstall and Uninstall MySQL

In this post you can find information about Ubuntu 18.

Install Tomcat 8 on Ubuntu 16 - commands

In this post: * Install Tomcat 8 with apt-get * Step