Answer:
SQL queries
The command used to display the customer ID and total number of orders placed is given below
Query:
SELECT CustomerID, COUNT (orderID) AS TotalOrders
FROM Order_Table
GROUP BY CustomerID
Explanation:
SQL queries
The command used to display the customer ID and total number of orders placed is given below
Query:
SELECT CustomerID, COUNT (orderID) AS TotalOrders
FROM Order_Table
GROUP BY CustomerID
SELECT - To query the database and get back the specified fields SQL uses the select statement
CustomerID is a coloumn name
The function COUNT(OrderID) returns the number of orders
Totalorderds is a label
FROM - To query the database and get back the preferred information by specifying the table name
Order_Table is a table name
GROUP BY - The clause is used to group the result of a SELECT statement done on a table where the tuple values are similar for more than one column
The table below displays the CustomerID and total number of orders placed
CustomerID Totalorders
4 28
1 6
12 5
16 5
6 3
9 3
15 3
3 1
13 1
14 1
The table below shows the total number of orders situated for each sales person
SalesPerson_ID TotalOrders
3 16
2 3
4 3
5 3
Answer:
The correct answer to the following question will be "Disaster Recovery as a Service (DRaaS)".
Explanation:
DRaaS seems to be a cloud services term used only to secure an infrastructure or data through human catastrophe or interruption of service at any destination by allowing a complete recovery throughout the cloud.
- DR seems to be a security or management preparation field which seeks to protect an organisation from those in the consequences of major negative experiences.
- This provides offsite backups which use storage resources to defend programs including assets from disaster-induced destruction.
Answer:
Slaves are the people thought as conquered People
Explanation:
In ancient times, slaves works without any remunerations. These people are captured or purchased by rich peoples. Their whole life spends in slavery. The people who are also prisoners of wars worked as slaves for their rest of the life.
Answer: Scope resolution operator(::)
Explanation: A member function and the constructor can be called within the function easily but for the execution of the these components outside the class , a special operator is required to call the functions. The scope resolution operator(::) preceding with the name of class is thus used for defining of the function outside class.This operator maintains the cope of the function and constructor outside the class.
