Question 2 Refer to the sample table and data below. mysql> SELECT * FROM zip_code; | zip | city | state | | 45001 | New York | NY i 94020 | Palo Alto | CA | 45010 | New Jersey | NJ 33647 | Tampa | FL | 33620 | Tampa | FL | 33765 | Clearwater | FL When the following code runs, what will be the result of each SELECT statement? CREATE VIEW f1_zip AS SELECT WHERE state = 'FL WITH CHECK OPTION; FROM zip_code INSERT INTO fl_zip (zip, city, state) VALUES ('33764', 'Largo', 'FL'); SELECT COUNT(*) FROM f1_zip; [Select] SELECT COUNT(*) FROM zip_code; [Select]

Question 2 Refer to the sample table and data below. mysql> SELECT * FROM zip_code; | zip | city | state | | 45001 | New York | NY i 94020 | Palo Alto | CA | 45010 | New Jersey | NJ 33647 | Tampa | FL | 33620 | Tampa | FL | 33765 | Clearwater | FL When the following code runs, what will be the result of each SELECT statement? CREATE VIEW f1_zip AS SELECT WHERE state = 'FL WITH CHECK OPTION; FROM zip_code INSERT INTO fl_zip (zip, city, state) VALUES ('33764', 'Largo', 'FL'); SELECT COUNT() FROM f1_zip; [Select] SELECT COUNT() FROM zip_code; [Select]

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

See similar textbooks

Similar questions

The InstantRide User Satisfaction team requires the average and maximum number of rides users have taken so far with InstantRide. In addition, they would like to know the total number of travels. However, they need these details with the corresponding column names Average, Maximum and Total by using the AVG, MAX and SUM functions. In order to accomplish this, you will first need to create a derived table from the TRAVELS table to pass the TRAVEL_ID count to the three mathematical functions.
Hello I am receiving this error whenever I try to import it into MySQL using this code SELECT store_id AS Store, COUNT(*) AS Num_CustomersFROM sakila.customerGROUP BY store_idORDER BY store_id DESC, COUNT(*) DESC;SELECT film.title AS Title, rental.rental_date AS Rental_Date, rental.return_date AS Return_DateFROM sakila.customerJOIN sakila.rental ON customer.customer_id = rental.customer_idJOIN sakila.inventory ON rental.inventory_id = inventory.inventory_idJOIN sakila.film ON inventory.film_id = film.film_idWHERE customer.first_name = 'JO' AND customer.last_name = 'FOWLER'ORDER BY rental.rental_date ASC;REPLACE VIEW top_rental_films ASCREATE OR SELECT film.title AS FilmTitle, COUNT(rental.rental_id) AS Num_Rentals, AVG(payment.amount) AS Avg_AmtFROM sakila.filmJOIN sakila.inventory ON film.film_id = inventory.film_idJOIN sakila.rental ON inventory.inventory_id = rental.inventory_idJOIN sakila.payment ON rental.rental_id = payment.rental_idGROUP BY film.film_idORDER BY…
Question 6 To get all the variables named x1 through x15 (out of 30 variables that start with x) from data, you could use O filter(data starts with("x")) select(flights."x") Oselect(data.num_range("x"1:15) Opick(flights.starts with("x")) Question 7 To reverse sort the nycflights13::flights data set by month and then by day, you would use O sort values(flights.day.month.descending-TRUE) O filter(flights.desc(month).desc(day)) O filter(flights.desc(day).desc(month)) Osort values(flights,month.day.ascending FALSE) Question 8 To get all the variables from the flights like "arr_delay" and "dep_delay", you could use O filter(flights,ends_with("_delay")) O select(flights.""_delay") O select(flights,ends_with("_delay")) Opick(flights,ends_with("_delay"))
The Horse table has the following columns: ID - integer, auto increment, primary key RegisteredName - variable-length string Breed - variable-length string, must be one of the following: Egyptian Arab, Holsteiner, Quarter Horse, Paint, Saddlebred Height - decimal number, must be between 10.0 and 20.0 BirthDate - date, must be on or after Jan 1, 2015 Insert the following data into the Horse table: RegisteredName Breed Height BirthDate Babe Quarter Horse 15.3 2015-02-10 Independence Holsteiner 16.0 2017-03-13 Ellie Saddlebred 15.0 2016-12-22 NULL Egyptian Arab 14.9 2019-10-12
Task 4: The Driver Relationship team wants to have quick search options for the active drivers. The team specifically mentioned that they are using first name, last name and driving license ID to search the drivers. Create an index called NameSearch on the ACTIVE_DRIVERS table created in task 3. ASNWER IN MYSQL PLEASE
help please Create a table named BRANCH. The table has the following structureBRANCH_NUM decimal(2,0) NOT NULL default '0'BRANCH_NAME char(50) default NULLBRANCH_LOCATION char(50) default NULLNUM_EMPLOYEES decimal(2,0) deault NULL PRIMARY KEY (`BRANCH_NUM`) (Please type answer no write by hand)
Which of the following is NOT TRUE about the STUDENTS table structure? t of Field/Column Data Type / Size Constraint Name SID NUMBER(10) Primary Key Name VARCHAR2(25) Not Null Email VARCHAR2(25) Unique a. All columns have constraints. O b. Email must not have any duplicate value. O c. Name must have a value. O d. SID must have a voalue and it can contain duplicate values.
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…
In MySQL please: The Question: Create a trigger named trg_char_hours that automatically updates the AIRCRAFT table when a new CHARTER row is added. Use the CHARTER table’s CHAR_HOURS_FLOWN to update the AIRCRAFT table’s AC_TTAF, AC_TTEL, and AC_TTER values. (Hint: use temp values, as the INSERT event does not accept the OLD keyword.)
nycflights13::flights Q4<- flights %>%filter(carrier == "JFK") %>%summarise(average_dist = mean(distance)%>%summarise(max_dist = max(average_dist))%>%group_by(Q4, month, day)%>%head(Q4[order(dat$month),(dat$day),(dat$max_dist)],n=5) *not pictured, I did upload, tidy verse, dplyr, and the nycflights13 libraries. Error: Incomplete expression: Q4<- flights %>% filter(carrier == "JFK") %>% summarise(average_dist = mean(distance)%>% summarise(max_dist = max(average_dist))%>% group_by(Q4, month, day)%>% head(Q4[order(dat$month),(dat$day),(dat$max_dist)],n=5) RStudio Question: I can't figure out what is wrong with my code. Could someone take a look at it? See below for what I am trying to do, my code and my error output. I am trying to find what 5 days of the year had the highest mean distance from JFK airport, using the nycflights13 library. I want to format it in month, day, andvmean distance.
Insert at least three rows into your EMPLOYEE_xx table. Use the next value of the sequence you created , EMPL_SEQUENCE_xx as the value for the employee ID for every row inserted. You may choose values for the other columns Test your constraint on the rate column by trying to update a row in the EMPLOYEE_xx table with the value of 6 used for the Pay Rate (you choose the row). Drop your EMPLOYEE_xx table and make sure it HAS been purged from the recyclebin
https://1drv.ms/x/s!Av-KKmo42J4EgXJFqbsHsb_jUdpA 1) The baseball worksheet contains US baseball player's team, position, and salary. Determine how many times the mode of baseball player’s salary is appeared in the data set? Group of answer choices 16 28 21 18 2) The baseball worksheet contains US baseball player’s team, position, and salary. Determine the shape of the distribution of baseball player’s salary and skewness value. Group of answer choices 1.84 and moderately skewed to left 1.84 and Highly skewed to right -1.84 and moderately skewed to right -1.84 and highly skewed to Left 3) The baseball worksheet contains US baseball player’s team, position, and salary. what is the second quartile of baseball player’s salary? Group of answer choices 4010021 4010054 1880000 1950347