December 2015

41.How to select all elements using jQuery? $(‘*’) selects all elements available in a DOM.

31.Which built-in method sorts the elements of an array? sort() method sorts the elements of an array.

21.What is closure? Closures are created whenever a variable that is defined outside the current scope is accessed from within some inner scope.

11.Can you assign a anonymous function to a variable? Yes! An anonymous function can be assigned to a variable.

1.What is jQuery? jQuery is a fast and concise JavaScript Library created by John Resig in 2006 with a nice motto – Write less, do more. jQuery simplifies HTML document …

41.How will you insert multiple rows into a database in a single transaction? Follow steps as below //turn off the implicit commit Connection.setAutoCommit(false); //..your insert/update/delete goes here Connection.Commit(); //a new …

31.How do you handle SQL NULL values in Java? SQL’s use of NULL values and Java’s use of null are different concepts. There are three tactics you can use Avoid …

21.What do you mean by fastest type of JDBC driver? JDBC driver performance or fastness depends on a number of issues Quality of the driver code, size of the driver …

11.What are JDBC driver types? There are four types of JDBC drivers JDBC-ODBC Bridge plus ODBC driver − also called Type 1 calls native code of the locally available ODBC …

1.What is JDBC? JDBC stands for Java Database Connectivity, which is a standard Java API for database-independent connectivity between the Java programming language and a wide range of databases.