Return all of the records and the fields in the customers table. What is the query to return all customers but only show the customername, and city fields? How many of the customers are in the country of sweden
Return all of the records and the fields in the customers table. What is the query to return all customers but only show the customername, and city fields? How many of the customers are in the country of sweden
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Concept explainers
SQL
SQL stands for Structured Query Language, is a form of communication that uses queries structured in a specific format to store, manage & retrieve data from a relational database.
Queries
A query is a type of computer programming language that is used to retrieve data from a database. Databases are useful in a variety of ways. They enable the retrieval of records or parts of records, as well as the performance of various calculations prior to displaying the results. A search query is one type of query that many people perform several times per day. A search query is executed every time you use a search engine to find something. When you press the Enter key, the keywords are sent to the search engine, where they are processed by an algorithm that retrieves related results from the search index. Your query's results are displayed on a search engine results page, or SER.
Question
Return all of the records and the fields in the customers table.
What is the query to return all customers but only show the customername, and city fields?
How many of the customers are in the country of sweden
find the orderdetailId of the order that has the most quanity
find the orderdetailId of the order that has the least quanity
return all of the customers that are located in the country of Sweden or Germany. how many customers fit this criteria
Return all of the customers that are located in the country of UK and the city of london. how many customers fit this criteria
return all of the orders in order details table that have a quantity less than or equal to 20
what is the query to enter a new shipper in the shippers table with a shipper name of ‘jean-marc’s express shipping’ and a phone number of 123-555-3333
what is the query to update the customer whose customerid is 1. set their customername to be ‘ust global’
what is the query to change the price of products with a productname of chais or chang to 102.00
what is the query to delete all customers from the country of sweden
what is the query to delete a table named suppliers from thedatabase
what is the average of the quanity of orders from the ordersdetails table
what can we add to a column to make it a primary key
what can we add to a column to make sure that it does not have null values and all the values are unique
create an int column country_id which is the foreign key of the countries table (this does not apply to the sample database)
create an aggregate query that returns the count of each country categorized by the country…how many are in the country of sweden
what kind of relationship would it be when you have multiple movies that can have mulitple promotions.
from the orders table join the employees table so that you have employee information about each order.
What is the query to return all customers but only show the customername, and city fields?
How many of the customers are in the country of sweden
find the orderdetailId of the order that has the most quanity
find the orderdetailId of the order that has the least quanity
return all of the customers that are located in the country of Sweden or Germany. how many customers fit this criteria
Return all of the customers that are located in the country of UK and the city of london. how many customers fit this criteria
return all of the orders in order details table that have a quantity less than or equal to 20
what is the query to enter a new shipper in the shippers table with a shipper name of ‘jean-marc’s express shipping’ and a phone number of 123-555-3333
what is the query to update the customer whose customerid is 1. set their customername to be ‘ust global’
what is the query to change the price of products with a productname of chais or chang to 102.00
what is the query to delete all customers from the country of sweden
what is the query to delete a table named suppliers from the
what is the average of the quanity of orders from the ordersdetails table
what can we add to a column to make it a primary key
what can we add to a column to make sure that it does not have null values and all the values are unique
create an int column country_id which is the foreign key of the countries table (this does not apply to the sample database)
create an aggregate query that returns the count of each country categorized by the country…how many are in the country of sweden
what kind of relationship would it be when you have multiple movies that can have mulitple promotions.
from the orders table join the employees table so that you have employee information about each order.
In Java.
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