data below.Tables:employees (id(pk), name, job_code(fk)) -- foreign key references jobs(code)jobs (code(pk), title, salary)mysql> SELECT FROM employees;l id l name--| job_code !-+---1 Captain Hook2I Tiger Lily3 1 Pocahontas1 11 1214 I Meeko5 I Woody6 I Flik7 I Dot4 111|318 I Sofia, the First I9 I Scully| 12 | Olaf| 14 | Aladdin| 18 | Eeyore| 19 | Pooh| 20 | Piglet| 25 | Scrooge4 131213131-+---++----+-15 rows in set (0.00 sec)mysql> SELECT FROM jobs;------+--| salary I| code I title-----+--| 100.50 I200.00 I+---1 author2 1 editor31 manager 150.00 I0.00 I250.00 I41 student I8 1 CFO+.+--5 rows in set (0.00 sec)4 m4 m~ mdm I salary I--1 author21 editor| 100.50 I| 200.00 I3 I manager 150.00 I4 1 student I8 1 CFO0.00 I| 250.00 I--+5 rows in set (0.00 sec)For each of the following commands, how many rows are affected (updated, deleted, orinserted)? If the command causes an error, the number of affected rows is 0 (zero).[ Select ]a) DELETE FROM employees WHERE id = 3;[ Select ]23;%3D9 WHERE cOdeb) UPDATE jobs SET code[ Select ]c) DELETE FROM jobs WHERE code = 83;d) INSERT INTO employees (name, job_code) VALUES ('Pluto', 10);[ Select]<><>

It deletes 1 row from table employee where id is 3.

For each of the following commands, how many rows are affected (updated, deleted, or inserted)? If the command causes an error, the number of affected rows is 0 (zero). a) DELETE FROM employees WHERE id = 3; [ Select ] 9 WHERE code = 2; [ Select] b) UPDATE jobs SET code %3D [ Select ] 8; %3D c) DELETE FROM jobs WHERE code d) INSERT INTO employees (name, job_code) VALUES ('Pluto', 10); IColect1

For each of the following commands, how many rows are affected (updated, deleted, or inserted)? If the command causes an error, the number of affected rows is 0 (zero). a) DELETE FROM employees WHERE id = 3; [ Select ] 9 WHERE code = 2; [ Select] b) UPDATE jobs SET code %3D [ Select ] 8; %3D c) DELETE FROM jobs WHERE code d) INSERT INTO employees (name, job_code) VALUES ('Pluto', 10); IColect1

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter3: Data Representation

Section: Chapter Questions

Problem 3RP

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Subject : Data Structure Language : C Topic : Hash Table Sub Topic :- Pop- Push- Search Case : Bluejack Library is one of the popular libraries in the town. This library has more than 50.000 books. Sadly the senior librarian wants to resign and he doesn’t have time to teach the new librarian. Bluejack Library needs a simple program to help the new librarian so he can easily manage and search books. Bluejack Library hires you as a programmer to help them create a program that can help a new librarian find and manage books in this library easily using a C programming language and hashtable data structure. The criteria of the program are: The program consists of 4 menus, there are: View Book Insert Book Remove Book Exit If the user chooses View Book (Menu 1), then: * If there is no book, then show “There is no book(s) !” message * Otherwise, the program will show all the book data If the user chooses Insert Book (Menu 2), then: - The program will ask user to input the following…
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