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Java JDBC Examples


JDBC stands for Java Database Connectivity. JDBC API is a collection of classes and interfaces, which help a Java application to connect to SQL based relational databases by abstracting vendor specific details of the database. JDBC enables Java developers to connect to any SQL compliant database, send SQL statements, and process return messages and data.

List Of All JDBC Programs:

  1. How to create JDBC Connection?
  2. What is Statement & ResultSet in JDBC?
  3. How to execute and read select queries using JDBC?
  4. How to update a record in the database using JDBC?
  5. How to execute any type of query in JDBC?
  6. What are the types of JDBC Statements available?
  7. Write an example code for JDBC prepared statement.
  8. Write an example for JDBC prepared statement with ResultSet.
  9. How to get primary key value (auto-generated keys) from inserted queries using JDBC?
  10. Write a simple program for CallableStatement statement to execute stored procedure.
  11. Write a program for CallableStatement statement with stored procedure returns OUT parameters.
  12. Write a program for CallableStatement statement with batch execution.
  13. Write a program to execute SQL function using CallableStatement.
  14. Write a program to execute SQL cursors using CallableStatement.
  15. How to get column properties from ResultSet using ResultSetMetaData?
  16. Write an example for batch update using Statement.
  17. Write an example for batch update using PreparedStatement.
  18. What are the types of ResultSets in JDBC?
  19. Write an example for scrollable result set with read only mode.
  20. Write an example for updatable result set.
  21. How to insert an image into database table? or Write an example for inserting BLOB into table.
  22. How to read an image from database table? or Write an example for reading BLOB from table.
  23. What is DatabaseMetaData? Write an example code.
  24. How to get JDBC Connection object using properties file?
Knowledge Centre
ServletOuptputStream Vs PrintWriter
ServletOutputStream: ServletResponse.getOutputStream() returns a ServletOutputStream suitable for writing binary data in the response. The servlet container does not encode the binary data, it sends the raw data as it is.

PrintWriter: ServletResponse.getWriter() returns PrintWriter object which sends character text to the client. The PrintWriter uses the character encoding returned by getCharacterEncoding(). If the response's character encoding has not been specified then it does default character encoding.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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