Category: SQL

What is a table, row, column, field in SQL database

In the previous post we discussed the basic terms related to relational (SQL) databases – what is a relational (SQL) database, why data should be stored in multiple tables. What issues we face if store data in one SQL table Read more…

Introduction to relational (SQL) databases: Basic concepts

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SQL DataBase (DB) – is a number of tables (objects) which are connected which each other. Using a special software called management system the one can interact with such a system by writing data into database and when needed reading Read more…