61

Which command removes a table definition and the table itself??

a DELETE
b UPDATE
c DROP
d SELECT
Correct: (C) DROP
62

Which ACID property means committed changes persist??

a Atomicity
b Isolation
c Consistency
d Durability
Correct: (D) Durability
63

Which SQL clause filters groups after grouping??

a WHERE
b ORDER BY
c HAVING
d VALUES
Correct: (C) HAVING
64

Which key consists of two or more attributes??

a Simple Key
b Composite Key
c Foreign Key only
d Surrogate Key only
Correct: (B) Composite Key
65

What does HTML stand for??

a HighText Machine Language
b HyperText Markup Language
c Hyper Transfer Markup Language
d HyperText Machine Language
Correct: (B) HyperText Markup Language
66

Which HTML tag inserts a line break??

a <hr>
b <b>
c <br>
d <break>
Correct: (C) <br>
67

Which tag sets the browser-tab title??

a <body>
b <title>
c <h1>
d <heading>
Correct: (B) <title>
68

Which language allows user-defined element names??

a HTML only
b XML
c SQL only
d CSS
Correct: (B) XML
69

XML is:?

a Case Insensitive
b Case-Sensitive
c Always written in uppercase
d A database
Correct: (B) Case-Sensitive
70

Which is correctly nested XML??

a <a><b></a></b>
b <a><b></b></a>
c <a><b></a>
d <a><b></b>
Correct: (B) <a><b></b></a>