O'Reilly logo

OCA Oracle Database 11g: SQL Fundamentals I: A Real-World Certification Guide by Steve Ries

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Test Your Knowledge

  1. Which of these is a term used to describe the ability to limit data sets to rows that meet certain conditions?

    a. Projection

    b. Restriction

    c. Selection

    d. Registration

  2. Which of these statements represents the proper use of the SQL WHERE clause syntax?

    a. select first_name, last_name where last_name = 'Johnson';

    b. select first_name, last_name from employee;

    c. select first_name, last_name where last_name = 'Johnson' from employee;

    d. select first_name, last_name from employee where last_name = 'Johnson';

  3. Which of these is NOT a type of condition that can be used in SQL?

    a. Boolean

    b. Equality

    c. Non-equality

    d. Ascending

  4. Which of these is NOT a symbol that can be used in non-equality conditions?

    a. >

    b. <=

    c. <>

    d. ||

  5. Which of these statements ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required