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Python Data Analysis by Ivan Idris

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Chapter 8. Working with Databases

If you work with data, sooner or later, you will come into contact with databases. This chapter introduces various databases (relational and NoSQL) and related APIs. A relational database is a database that has a collection of tables containing data organized by the relations between data items. A relationship can be set up between each row in the table and a row in another table. A relational database does not just pertain to relationships between tables; firstly, it has to do with the relationship between columns inside a table (obviously, columns within a table have to be related, for instance, a name column and an address column in a customer table); secondly, it relates to connections between tables.

NoSQL ...

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