Our SQL tutorial helps you learn SQL (Structured Query Language) in simple and easy steps so that you can start your database programming quickly. It covers most of the important concepts related to …

SQL (Structured Query Language) is a language to operate databases; it includes Database Creation, Database Deletion, Fetching Data Rows, Modifying & Deleting Data rows, etc.

Jul 6, 2021 · Structure Query language (SQL) is based on relational algebra. Relational algebra consists of a set of operations that take one or two relations as an input and produces a new relation as output.

Hibernate Query Language (HQL) is an object-oriented query language, similar to SQL, but instead of operating on tables and columns, HQL works with persistent objects and their properties.

Relational database systems are expected to be equipped with a query language that can assist its users to query the database instances. There are two kinds of query languages − relational algebra …

Having SQL like syntax is an advantage because SQL is a simple structured query language and many developers are using it in applications. SQL works directly against relational database tables, records …

Different RDBMS product vendors have developed their own database language by extending SQL for their own RDBMS products. T-SQL stands for Transact Structure Query Language which is a …

This tutorial gives you a quick start with SQL by listing all the basic SQL Syntax. All the SQL statements start with any of the keywords like SELECT, INSERT, UPDATE, DELETE, ALTER, DROP, CREATE, …

Clauses in SQL work with the purpose of applying constraints while retrieving data using SQL queries. There are various clauses that SQL uses to constraint the data; such as WHERE clause, GROUP …

The SQL CONCAT () function accepts a one or more string values as parameters, concatenates/join all the given strings and returns the result. When we display the result, the Concat service converts the …