Tuesday, 5 June 2012

Group Function in JDBC

In Most of RDBMS Products we came across 5 aggregate functions they are

Type-4 Driver

Oracle corporation has developed their own driver in java language according to sun micro system specifications. the name of the oracle driver is oracle.jdbc.driver.OracleDriver

Dynamic Queries

A Static query is one in which the data is passed with in the itself

Steps to Develop First Jdbc Applications

To Write Standard JDBC Application we need to follow the following Sequence of steps.

Monday, 4 June 2012

Types of Drivers

To Deal with any database through our java program, first we must identify the specific JDBC Driver (oracle Driver) and that Driver must registered with DriverManagers class and whose fully Qualified name is 

JDBC For You

In Information Technology we have two types of application. they are
i. Non-persistent/ volatile application
ii. Persistent logic/ non-volatile application

Friday, 1 June 2012

Interview Question on core java for Freshers


1.what is difference between #include and import statement

Ans:#include makes the compiler to go the c/c++ library and copy the code in our program from header file. So program size will be increased and to compile that code waste of time. And memory will be wasted
Import statement makes the jvm to go the java standard library, execute the code there and it brings back only the results into our program. Here no code is copied and hence no waste of memory.
So import is an more efficient than #include