Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Consider the following database: T1: T2: For each query, indicate how many rows it will return for the instance data given. Your answers should be

image text in transcribedimage text in transcribedimage text in transcribed

Consider the following database: T1: T2: For each query, indicate how many rows it will return for the instance data given. Your answers should be in the form of numbers consisting only of digits. SELECT * FROM T1 WHERE y> ANY (SELECT y FROM T2); rows SELECT * FROM T1 WHERE y>ALL (SELECT y FROM T2); rows SELECT * FROM T1 WHERE EXISTS (SELECT * FROM T2); rows SELECT FROM T1 WHERE NOT EXISTS (SELECT FROM T2); SELECT DISTINCT FROM T1 outerT WHERE NOT EXISTS (SELECT z FROM T2 WHERE NOT EXISTS (SELECT z FROM T1 innerT WHERE outerT. x= innerT.x AND innerT.z =T2.z))

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

More Books

Students also viewed these Databases questions