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What is a Relational Database?
A column, or field, is a single piece of data, defined by having a column type, a length, and other attributes.
A row, or record, is a single ordered set of columns.
A table contains any number of rows and some fixed number of columns.
A database is a collection of tables.
In MySQL, the server can contain any number of databases. This isn’t always the case with any SQL server.