Module 3: MCQ with correct answer on Database Theory concept from Q1. A primary key if combined with a foreign key creates . a). Parent-Child relationship between the tables that connect them. b). Many to many relationship between the tables that connect them. c). Network model between the tables that connect them. d). None of the above Correct answer: a) Parent-Child relationship between the tables that connect them Q2. In E-R Diagram relationship type is represented by . a). Ellipse b). Dashed Ellipsed c). Rectangle d). Diamond Correct answer: d) Diamond Q3. Hierarchical model is also called . a) Tree structure b) Plex Structure c). Normalize Structure d). Table Structure Correct answer: a) Tree structure Q4. To delete a particular column in a relation the command used is: a). UPDATE b). DROP c). ALTER d). DELETE Correct answer: c) ALTER Q1. The ______ operator is used to compare a value to a list of literals values that have been specif...
MODULE-03(WEB DESIGNING) PART-03 PHP,PYTHAN,CLOUD &DBMS QUESTIONS MCQ:118 Questions With Answers: 01.What PHP stands for? A. Hypertext Preprocessor B. Pre Hypertext Processor C. Pre Hyper Processor D. Pre Hypertext Process ANSWER: D 02.Which of the following tags is not a valid way to begin and end a PHP code block? A.<% %> B.<? ?> C.<?PHP ?> D.<! !> ANSWER: B 03. How does the identity operator === compare two values? A. It converts them to a common compatible data type and then compares the resulting values B. It returns True only if they are both of the same type and value C. If the two values are strings, it performs a lexical comparison D. It bases its comparison on the C strcmp function exclusively E. It converts both values to strings and compares them ANSWER: A 0...