Question
The sale on decaf coffee didn't do too well, so the Midnight Coffee Roastery has decided to stop selling decaf. Write an SQL statement that will delete all decaf coffees from the coffee table.
Step 1
This can be done using a WHERE clause with a condition that matches decaf coffees. For example, if there is a column called "type" that stores the coffee type, we can use "type = 'decaf'" as the condition. Show more…
Show all steps
Your feedback will help us improve your experience
James Kiss and 61 other AP CS educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Write an SQL statement: (i) To select the persons living in a city that starts with 'S' from the 'Persons' table? (A) SELECT * FROM Persons WHERE city LIKE 's (B) SELECT FROM Persons WHERE city LIKE 's\%'. (C) SELECT FROM Persons WHERE city LIKE '\%s'. (D) SELECT FROM Persons WHERE city LIKE ' s\%'. (ii) To select the persons living in a city that contains the pattern 'tav' from 'Persons' table? (A) SELECT FROM Persons WHERE city LIKE '_tav_' (B) SELECT FROM Persons WHERE city LIKE '_tav\%'. (C) SELECT * FROM Persons WHERE city LIKE '\%tav_'? (D) SELECT * EROM Persons WHERE city LIKE '\%tav\%'. (iii) To select the persons whose last name starts with $" b$ 'or 's' or ' $p$ '? (A) SELECT * FROM Persons WHERE last-name LIKE 'b-s-p' (B) SELECT * FROM Persons WHERE last-name LIKE ' $b \% 5 \% p$ (C) SELECT * FROM Persons WHERE last-name LIKE ' $b \% s \% p \%$ ' (D) SELECT * FROM Persons WHERE last-name LIKE '[bsp]\%'
Databases
Structures Query Language
Complete the truth table for exclusive disjunction. The symbol $\searrow$ represents "one or the other is true, but not both." table cannot copy
Logic
Truth Tables and Equivalent Statements
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD