Interview Questions and Answers For Freshers

21.Say True or False. If False, explain why. PL/SQL supports the CREATE command. False. PL/SQL doesn’t support the data definition commands like CREATE.

11.Which of the following operator has the lowest precedence among the following − **, OR, NULL ? OR

1.What is the purpose of the PL/SQL language? PL/SQL is an extension of SQL. SQL is non-procedural. PL/SQL is a procedural language designed by oracle to overcome the limitations that …

41.How can you sort an array? sort() − Sorts an array.

31.How will you get environment variables in PHP? PHP provides a function getenv() to access the value of all the environment variables.

21.What is the purpose of _METHOD_ constant? _METHOD_ − The class method name. (Added in PHP 5.0.0) The method name is returned as it was declared (case-sensitive).

11.What are the rules for determine the “truth” of any value not already of the Boolean type? Here are the rules for determine the “truth” of any value not already …

1.What is PHP? PHP is a recursive acronym for “PHP: Hypertext Preprocessor”. PHP is a server side scripting language that is embedded in HTML. It is used to manage dynamic …

41.How will you convert a string to a set in python? set(s) − Converts s to a set.

31.How will you get all the keys from the dictionary? Using dictionary.keys() function, we can get all the keys from the dictionary object. print dict.keys() # Prints all the keys