Assignments Class XII Informatics Practices

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Assignment Date:  14/08/15

Commonly Used Libraries and Database Connectivity

Q1. Explain these String class methods with examples.                                                  
                i). concat()          ii).  length()         iii).  toLowerCase()         
                iv). trim()            v). toUpperCase()                  vi). substring()         
                                        
Q2. Expand JDBC and ODBC.

Q3. What all JDBC classes/objects are used in a database connectivity application?

Q4. What is a ResultSet?

Q5. What tasks does JDBC perform?


Q6. Write down the steps to connect MySQL to Java.

Q7. What does DriveManager do?

Q8. Which methods are used to execute SQL queries?

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