Hands-On Machine Learning on Google Cloud Platform
by Giuseppe Ciaburro, V Kishore Ayyadevara, Alexis Perrier, Bryan Fry, Antonio Gulli
Querying the database
So far we have seen how to move from unstructured information to structured information. In particular, we have learned that this operation requires a lot of resources. The need for properly structured data derives from the need to search for information in a database to extract knowledge.
Any Database management system (DBMS) provides a very powerful tool for consulting the contents of database tables: queries.
A DBMS, is a software system designed to allow the creation, manipulation (by a DBA administrator) and the efficient query (by one or more client users) of databases, so also called a database manager or an engine, and hosted on a dedicated hardware architecture (server) or on a simple computer.
A query is ...
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