SQL – MIN() – MAX() function Table of content The MIN() and MAX() functions in SQL are aggregate functions. They are used to compare values in a set and, retrieve the maximum and minimum values respectively. An aggregate function is a mathematical computation that takes a range of values as input and yields a single […]
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SQL – Hosting Table of content SQL Hosting SQL Hosting is nothing but a means to manage any RDBMS linked to your website using SQL. If the website has an access to a RDBMS, any data from the website you created will be stored and retrieved from this database. There are various SQL hosting plans […]
SQL – UNION vs UNION ALL Table of content UNION and UNION ALL operators are just the SQL implementation of algebraic set operators. Both of them are used to retrieve the rows from multiple tables and return them as one single table. The difference between these two operators is that UNION only returns distinct rows […]