studentlettuce1416 studentlettuce1416

07-09-2018
Computers and Technology

contestada

Which relational algebra operators can be appleid to a pair of tables that are not union-compatible?

Respuesta :

hancesoome hancesoome

08-09-2018

I guess the relational algebra operators can be applied to pair of tables that are not union-compatible are SELECT, PROJECT, DIVIDE, PRODUCT, and JOIN.

Answer Link

Otras preguntas

Is a poultry egg living or non living?

when focusing on low power, which knob is used to get a clear image

How are seamounts like the rockies ? PLEASE im leaving soon

Timmy wants to buy a scooter and the price was $50. when he goes to the store a second time he found that price was marked down 20%. what is the new price?

How did the Clayton Antitrust benefit labor?

A bakery has 4 trays with 16 muffins on each tray. The bakery has 3 trays of cupcakes with 24cupcakes on each tray. If 15cupcakes are sold, how many muffins and

8. In which of the following countries are Shia Muslims the majority? A. Turkey B. Saudi Arabia C. Yemen D. Iran

in the summer of 1776 did george washington gather his forces in staten island

A flock of cranes migrates from Canada to Texas. The cranes take 12 days (288 hours) to travel 2325 miles. The cranes fly at an average speed of 25 miles per h

One day a store sold 30 sweatshirts. White ones cost $11.95 and yellow ones cost$11.50. In all, $349.95 worth of sweatshirts were sold. How many of each color w