Latest Answer: Question: If Result Set is an interface, then why can we call methods like next(), isLast() etc. without defining the method body anywhere in the program? As I understand it, in an interface, methods are only declared but not defined.Answer: Even though ...
Latest Answer: Prepared statements are used whenever your pl/sql depends on the user input.suppose you want to insert some values in the table that you are taking from the text boxes in an applet connection con; PreparedStatement stat=con.prepareStatement("insert into ...
Latest Answer: Thread is dispatchable unit of work and Process is group of inter related threads. So when you start more than one process in single JVM, JVM will give default priority to all threads. If you want alter the default priorities of thread or if you want ...
Latest Answer: Generally procedure and functions are written in PL/SQL code and it will reside in databases.
When we develop some application in Java using JDBC to deal with specific databases for specific purpose like some complex type of operations are require for ...
Latest Answer: The connection object is still active, meaning it is ready to execute another statement. ...
Latest Answer: BLOB(Binary Large Object) and CLOB(CharacterLargeObject) are SQL2 datatypes, which are introduced in JDBC 2.0 version. Suppose you have a requirement like, you want to store your content of resume(large data), then go for BLOB. By using BLOB, ...
How to connect to d/b which is present in excel or any spread sheet application using jdbc. I was able to establish a connection using the Type1 driver, but I was unable to extract(select) the data from the excel sheet.
Latest Answer: Statement: to execute a single query one timepreparedstatement: to execute a single query multiple times(here the statement will be precompiled and will get good performance)Collable statement : to execute multiple query multiple times(we are using ...
Latest Answer: Hello, Yes , U can use two Class.forName() as Drivermanager keeps array internally to store the Drivernames so whichever come first will we loaded & used.Regards, Ms.Supriya Ahire ...
Latest Answer: DriverManager.registerDriver(new Oracle:jdbc:OracleDriver());Connection con = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:XE", "scott", "tiger"); ...
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