in C# Visual Studios Windows Form App (.Net Framework) Population Database In the Chap12 folder of the Student Sample Programs, you will find a database file named PopulationDB.mdf. The database has a table named City. The City table has the following columns: (see image) The City column stores the name of a city and the Population column stores the population of that city. The database has 20 rows already entered. Create an application that connects to the PopulationDB.mdf database and allows the user to perform the following: Use data-bound controls to add new rows to the database, change existing rows, and delete rows. Sort the list of cities by population, in ascending order. Sort the list of cities by population, in descending order. Sort the list of cities by name. Get the total population of all the cities. Get the average population of all the cities. Get the highest population. Get the lowest population.

in C# Visual Studios Windows Form App (.Net Framework) Population Database In the Chap12 folder of the Student Sample Programs, you will find a database file named PopulationDB.mdf. The database has a table named City. The City table has the following columns: (see image) The City column stores the name of a city and the Population column stores the population of that city. The database has 20 rows already entered. Create an application that connects to the PopulationDB.mdf database and allows the user to perform the following: Use data-bound controls to add new rows to the database, change existing rows, and delete rows. Sort the list of cities by population, in ascending order. Sort the list of cities by population, in descending order. Sort the list of cities by name. Get the total population of all the cities. Get the average population of all the cities. Get the highest population. Get the lowest population.

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter6: Additional Database Objects

Section: Chapter Questions

Problem 10MC

See similar textbooks

Similar questions

A unique identifier for a data row that consists of more than one field is commonly called a: primary plus key composite primary key foreign key none of the above
A new table has been requested to support tracking automated emails sent to customers. Create the table and add data as described below. Tablename: email_log Columns: emailid (numeric), emaildate (datetime), customer# (numeric) Primary key: emailid column, define as an Identity Column Add the following data rows and display resulting rows (if any errors occur, explain why the error is expected) Emaildate = current date, customer# = 1007 Emailid = specify to use the column default value, emaildate = current date, customer# = 1008 Emailid = 25, emaildate = current date, customer# = 1009
Assign privileges to the new account that allow connecting to the database, creating new tables, and altering an existing table.
Alternate keys: Identify at least five keys (not already listed as PK or FK) needed by end users. These indexes would be considered Alternate or Secondary keys and are mostly used for queries and quick reporting. They may contain multiple columns. Books Authors Bookstore Members Sales transaction table Inventory table
Alternate keys: Identify at least five keys (not already listed as PK or FK) needed by end users. These indexes would be considered Alternate or Secondary keys and are mostly used for queries and quick reporting. They may contain multiple columns.
CREATE INDEX ItemIndex1ON Orderline (TaskID) What is the SQL query to display the index that I created with the above statement? Subject: MySQL
database HR Select employee first name, concatenate it with job, find length of department id, find location of ‘a’ in employee first name column.
First create a Query "YourFirstName Customers without contact information" displaying Company Names of customers who do not have either a contact name or telephone or fax number. Printscreen: Design view of Query. Datasheet view of Query.
The DD_PLEDGE table contains the FIRSTPLEDGE column that indicates whether a pledge is the donor's first pledge. The DoGood Donor organization wants this identification to be automated. Create a trigger that adds the corresponding data to the FIRSTPLEDGE column when a new pledge is added, and test the trigger.
Q9) find the least expensive priceQ10) List the UNIQUE v_code of vendors that provide productsQ11) find the most expensive priceQ12) List the number of products by vendor with the average price, include only the rows withaverage price below 10.00Q13) List all vendor rows (including the ones that have no matching products) and all matchingproduct rows
Write Create Table SQL statements Work Session table The table must have a primary key. The table must have appropriate foreign key constraints. Foreign keys must have the same name, datatype and size of the primary key that they refer to The following columns datatypes and sizes and named constraints must be used Column DataType Constraint WorkYear number(4) Range 2019 - 2020 WorkWeek number(2) Range 1-52 WorkHours number(4,2) Range 0.5 – 99.99 BID NUMBER(4) ,AUTHID NUMBER(4)
Open the Missing Addresses query in Design view. Add a new column to determine if a customer does not have an address on file. If the customer’s Address is null, it should display Missing. If not, it should display nothing. Name the column AddressPresent. Add criteria of Missing to the column you just created, so only the customers missing an address display. Move the AddressPresent field so it appears between PhoneNumber and Address. Run the query. Ensure only customers with null Address fields display. Save and close the query.