(1.1.1 JDBC Introduction JDBC is a database access standard in Java, and almost all databases support access through JDBC. Similar to Microsoft's ODBC, ADO, ADO.NET, etc., the function of JDBC is to shield the distinction between Java programs accessing various database operations. Using JDBC, developers can access different databases through the same program interface, which greatly enhances the portability of the system and simplifies the work of developers.
java training-jdbc introduction.pdf)
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