Design ER diagram (database) for blog aplication. note: not html or php ER diagram (database) must contain User view: Minimum requirements: Sign-up page Sign-in page List of all posts shared by all users Add a new post List of all own posts Edit own posts Delete own posts Admin view: i. Minimum requirements: Sign-in List of all posts shared by all users List of waiting posts for approval Approve/reject a post

Design ER diagram (database) for blog aplication. note: not html or php ER diagram (database) must contain User view: Minimum requirements: Sign-up page Sign-in page List of all posts shared by all users Add a new post List of all own posts Edit own posts Delete own posts Admin view: i. Minimum requirements: Sign-in List of all posts shared by all users List of waiting posts for approval Approve/reject a post

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Warehouse Database Diagrams Tables System Tables FileTables dbo.invoicearchive dbo.invoicelineitems dbo.invoicesarchive E dbo.invoicesTerms1 dbo.invoicesTerms2 E dbo.invoicesTerms3 E dbo.vendors
File Home Insert Draw Page Layout Formulas Data Review View Help A Share P Comments 14 fe A E G H J K L M Q R 1 Semeste Course NumbelCoure NameCredit Hours Letter Grad Grade Points Directions Create a spreadsheet that correctly calculates your GPA - must use formulas for GPA = full credit. You need to inlcude grades for two semesters. If you do not already have two semesters worth of grades assume this semesters grades and one future semester worth of grades. 2 3 4 To calculate GPA dividing the total amount 5 of grade points earned by the total amount of credit hours attempted. Your grade point 6 7 8 average may range from 0.0 to a 4.0. 9 Grade Points - multiply credit hours of course by the number associated with the 3 letter grade you earned. • A = 4 B = 3 C = 2 5 -7 D = 1 F = 0 1 Wine Sales Cinderella's Grades Your GPA + + 95%
Check ALL that are true about Makefile features - ( ) Rules may have 0 dependencies - ( ) Rules may have 0 commands - ( ) Rules have no more than 1 command - ( ) Rules have no more than 1 dependency - ( ) Makefiles can set up explicit variables for use in rules - ( ) Makefiles provide a variety of automatic variables for use in rules - ( ) A Makefile can have deeply nested decencies: targA depends on targB depends on targC depends on targD etc.
Requirements About the System: A local library intends to modernize its operations and seeks your assistance in designing its system. The following are the requirements for the library system: The library possesses a collection of books that can be borrowed by its members. Each book has a unique ISBN, title, author, and publication year. Members can search for books, check their availability, and place a hold on a book if it is unavailable. When a book is available, the member can borrow it and the due date will be calculated based on the library's lending policy. Members can return books, and the system should keep track of the books they have borrowed and the ones they have returned. Question: Sequence Diagrams: Draw a sequence diagram including: the scenario where a member searches for a book and borrows it the scenario where a member returns a book to the library How to create sequence diagrams: https://drawio-app.com/create-uml-sequence-diagrams-in-draw-io/
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Indicate the changes you need to make to the KimTay Pet Supplies database to support the following additional requirement. Each location has a manager who is identified by a manager ID, a manager first name, and a manager last name.
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student takes ID ID course_id sec_id semester year grade пате dept_name tot_cred section course department course_id sec_id semester year building room_no time_slot_id course_id title dept_name credits advisor dept_name building budget s_id i id time_slot time_slot_id day start_time end_time prereq instructor classroom COurse_id prereg_id ID building пате dept_name salary room_no сараcity teaches ID course_id sec_id semester year Consider the relation that results from the expression: course natural join department Which of the following functional dependencies hold for this relation? (Mark all that apply) O {title, credits} -> building O dept_name -> budget O course_id -> {budget} O {building, budget} -> dept_name O title -> credits O {course_id, title} -> credits
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Create a database table for storing customer contact information that wants to join the video store mailing list.
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