Java Programming - MCQ Practice Questions

Which interface in JDBC is used to execute SQL queries and obtain results?

What is the correct order of JDBC operations?

Which JDBC driver type is platform-independent and does not require native code?

What exception is thrown when a database connection cannot be established?

Which method is used to retrieve a String value from a ResultSet object?

Which JDBC driver type is platform-independent and does not require native code installation?

What is the correct syntax to retrieve an integer value from a ResultSet object at column index 2?

Which interface represents a single row of data retrieved from a database in JDBC?

In JDBC, what is the purpose of the Class.forName() method?

What happens when you call rs.next() on a ResultSet after the last row?

Which interface in JDBC is used to execute a single SQL statement and return a ResultSet?

What is the primary advantage of using PreparedStatement over Statement in JDBC?

Which JDBC method is used to retrieve the number of rows affected by an INSERT, UPDATE, or DELETE statement?

What does the DriverManager.getConnection() method return?

In JDBC, which exception is thrown when the database driver class is not found?

What is the purpose of the Connection.commit() method in JDBC?

Which interface in JDBC is used to execute SQL queries and retrieve results?

Which JDBC API is used to execute parameterized queries safely?

What is the correct syntax to load a JDBC driver in Java?

Which method is used to retrieve the next row from a ResultSet?