19.12. Metadata in JDBC

Try these first

1. 1.

   What is the purpose of DatabaseMetaData in JDBC?

   Hint

   Think about what kind of information would be essential for understanding the database.

2. 2.

   What can ResultSetMetaData tell us?

   Hint

   Consider what you need to know about query results.

3. 3.

   What is the primary use of DatabaseMetaData?

   • To execute SQL statements
   • To obtain information about the database
   • To fetch data from ResultSet

   Hint

   Think about the kind of tasks you'd perform to understand a database.

4. 4.

   True or False: ResultSetMetaData can provide information on the names and data types of columns in a ResultSet.

   • True
   • False

   Hint

   Consider what details you would need to process query results.

5. 5.

   Given a JDBC connection, how would you retrieve and display the names of all the tables in the database using DatabaseMetaData?

   Hint

   Think about the methods provided by DatabaseMetaData to access table information.

6. 6.

   Design a method that processes a dynamic result set and displays each column name and its data type using ResultSetMetaData.

   Hint

   Consider the relationship between ResultSet and ResultSetMetaData.