PostgreSQL is a general purpose object-relational database management system (ORDBMS) developed by a worldwide team of volunteers. It is a powerful and most advanced open source database system. Postg...
Read More →In computer programming, a key is a single or combination of multiple fields in a table. It is used to fetch or retrieve records/data-rows from data table according to the condition/requirement. Keys...
Read More →Before knowing about MySQL, it's better to clear the concept of what a "database" means.So, generally, a database is just a collection of data. Specialized database software is just programs that let ...
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