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2233 articles
Foreign Key in SQL Usage Explained [Practical Examples]
Foreign Key in SQL can be specified as the referential integrity in Relational Database management system, in technical term foreign key in SQL is a constraint …
apt Command in Linux: Complete Guide with Examples & Cheat Sheet
Learn the apt command in Linux with 15 practical examples. This APT commands cheat sheet covers installing, removing, updating, upgrading, searching, and …
OpenLDAP Migration Tutorial
Perform openldap migration from one machine to another. Migrate system users to ldap user database using migrationtools rpm
Java Byte Explained [Easy Examples]
A group of binary digits or bits operated on as a unit is called byte. A java byte is considered as a unit of memory size. A byte is a unit of digital …
Java Class Constructor Explained [Easy Examples]
Java class constructor syntax and Examples. Difference between Java class constructor and Java method. Java parameterized constructor. Java constructor …
dpkg Command in Linux: Practical Examples & Complete Cheat Sheet
Learn how to use the dpkg command in Linux with practical examples. This cheat sheet covers installing and removing .deb packages, fixing broken packages, …
SQL Date Format Explained with Examples
Different types and formats of SQL date format explained with examples. SQL datetime format syntax, type and examples. sql server date format.
Azure AD Groups Examples [Create & Manage]
Create and Manage Azure AD groups with Examples. Create Assigned and Dynamic group in Azure Active Directory. Assign and manage roles.
15+ rpm command examples in Linux [Cheat Sheet]
rpm command in Linux is used to manage packages. Install, upgrade and remove packages with or without dependencies. Verify rpm packages
How to Delete Row in SQL Server [10 Practical Examples]
sql delete multiple rows, sql delete row if exists, sql delete all rows, sql delete duplicate rows, sql delete from select, sql delete row where column …
Git HEAD Explained (HEAD~ vs HEAD^ vs HEAD@{} with Examples)
Learn what HEAD means in Git with simple examples. Understand HEAD~ vs HEAD^ vs HEAD@{}, how to navigate commit history, and when to use tilde (~), caret (^), …
Configure multi-master replication OpenLDAP
Multi-master replication in OpenLDAP is a replication technique using Syncrepl to replicate data to multiple provider ("Provider") Directory servers. Under the …
Java User Input - Multiple Ways [Easy Examples]
In java programming language, we have three different kinds of methods through which we can take java user input including Scanner class, Buffered class, and …
Java String Concatenation Examples
Java string concatenation examples using plus operator, String.concat() method, StringBuffer class and StringBuilder class
Thread in Java Explained [Simple Examples]
there are two different ways to run the thread in Java programming language. Extend the Thread class and then creating a new subclass and Create a new thread …