SQL Language Interview Question
Comprehensive source of knowledge for interviews SQL Language.
Introduction to SQL
SQL stands for Structured Query Language, meaning a data query language. SQL can be considered a common language that any relational database system (RDBMS) must meet, typically: Oracle Database, SQL Server, MySQL...
Any large company needs to build a system to store the database. Everything in this database will be converted into many tables, with relationships to each other. SQL helps manage effectively and query information faster, making information maintenance easier.
