Refer to the sample tables and data below. Tables: people (id(pk), firstname, lastname, zip(fk)) zip_code (zip(pk), city, state) mysql> select * from people; | id | firstname | lastname | zip +-- | McFly Jennifer | Parker Lorraine | McFly Tannen | 1 | Marty | 2 | 45001 33647 33647 33647 | 07005 | 3 | | 4 | Biff | 5 | George | McFly 5 rows in set (0.01 sec) mysql> select from zip_code; | zip | city | state | 45001 New York | NY 07005 New Jersey | NJ FL 33647 Tampa | 33765 | Clearwater | FL 4 rows in set (0.01 sec) How many rows and columns will the result set from the following command have? SELECT zip FROM people UNION ALL SELECT zip FROM zip_code; (a) Number of rows: 4 rows foreign key references zip_code(zip) (b) Number of columns: 1 column How many rows and columns will the result set from the following command have? SELECT zip FROM people UNION SELECT state FROM zip_code; (c) Number of rows: 5 rows (d) Number of columns: 9 columns

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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databaes sql
IF POSSIBLE PLEASE TYPE OR WRITE ELIGIBLY illustrate the process of normalizing the data shown in this table to third normal form (3NF). officeNo officeAddress telNo mgrStaffNo name B001 8 Jefferson Way, Portland, ME 97201 503-555-3618 S1500 Tom Daniels B002 City Center Plaza, Seattle, WA 98122 206-555-6756 S0010 Mary Martinez B003 14 – 8th Avenue, New York, NY 10012 212-371-3000 S0145 Art Peters B004 16 – 14th Avenue, Seattle, WA 98128 206-555-3131 S2250 Sally Stern Primary key: officeNo Why the above table is not in 3NF? Describe and illustrate the process of normalizing the data shown in this table to third normal form (3NF). c) Identify the primary and foreign keys in your 3NF relations.
Correct Query from table given.
- Delete the employee who has the longest employment in the company
MySQL CREATE TABLE students ( id INT PRIMARY KEY, first_name VARCHAR(50), last_name VARCHAR(50), age INT, major VARCHAR(50), faculty VARCHAR(50)); CREATE TABLE location ( id INT PRIMARY KEY, name VARCHAR(50), rooms INT); CREATE TABLE faculty ( id INT PRIMARY KEY, name VARCHAR(50), department_id INT); 4. Find the number of employees in each department who get no commission or have salary less than5000.5. Find the maximum salary of employees in each department that the employee was hired 15 yearsbefore now. *hint: user TIMESTAMPDIFF(<unit type>,<Date_value 1>,<Date_value 2>), the unitcan be YEAR, MONTH, DAY, HOUR, etc...6. Find the last name of all employees that were not hired on Tuesday *hint: (UseDATE_FORMAT() function amd the format you need is %W, also use UPPER()7. Find the number of employees in each department who have a manager.8. Find the number of employees for each manager whose employees' minimum salary is greaterthan 5000.9. Find the number of…
1. Provide the professor ID, first and last name of the professor who teach WEB courses that have the highest capacity of all sections. Show the section ID, subject code and course number. Arrange the list by course number. PROFESSORID FIRSTNAME SECTIONID SUBJ COURS 10083 Ellis 20193031760 WEB 1400 10616 Gisele 20201011445 WEB 1700 10125 Lisandra 20201011459 WEB 2500 10000 Lon 20203031998 WEB 2620 10083 Ellis 20202020751 WEB 3200 10255 David 20193030841 WEB 4350 10255 David 20202020795 WEB 4890 7 rows selected. LASTNAME Lansang Overdick Rodgerson Addo Lansang Bushard Bushard
List the name of each department, and its total number of employees, and the total amount of salaries
Find the Primary Keys and P3,6 for the database: Make Model Engine ID Ford Mustang Ford Fiesta Chevy Camaro Chevy Caprice Olds Cutlass Olds Cutlass Volvo P1800 Volvo 240 Volvo 760 Year 1972 A1222 1989 C54322 1991 754342AH 1989 442355CC 1992 ANDU33 1992 ANGH28 1969 44325XX 1986 53526PD 1992 578868R Vehicle ID FO13579 FO24245 CH172389 CH156738 OL64332 OL61998 V044526 VO64690 V083529 Color Black Yellow Black Yellow Blue White White Black Blue