Get an overview of JDBC's architecture, then learn how to connect to a database and handle SQL queries and responses with PreparedStatements, transactions, connection pooling, and more.

Figure 3 shows the class diagrams depicting the relationship between the Connection and Statement classes on the client and middle tiers. Figure 3. Class diagrams for Connection and Statement classes.

Q&A. Transfer Files Over the Internet. Use FTP or HTTP POST to transfer files over the Internet with .NET. Also learn how to secure a database Connection string.

All other database connections should be encrypted whenever possible, and in some cases must be encrypted depending on data classification. Database passwords shall never be put in email, tickets, or ...