November 2015
Beginner
464 pages
9h 46m
English
Content preview from Learning PostgreSQLBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Summary
JDBC defines a vendor-independent API to access databases and execute SQL statements. It consists of four main components. The driver implements the communication with a specific type of database, while the Connection interface represents an open connection to a database server. Different kinds of Statement interfaces are provided to execute queries and updates on a database, and to call functions. Finally, ResultSet represents the results returned by a query. It also contains meta data about the queried table.
While JDBC is an easy way to interact with a database, there is still a mismatch of the tabular representation of data in a database and the object-graph of an object-oriented class design. The next chapter will introduce Hibernate ...
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