Answer:Sandbox
Explanation:Hyperledger composers
are tools that gives various users such as owners of Businesses, developers etc ways to create blockchain applications and smart contracts which will help in solving business issues and generally help to improve operational efficiency.
SANDBOXES ARE TESTING ENVIRONMENTS ISOLATED IN ORDER TO ENABLE USERS TO RUN THEIR PROGRAMS EVEN AS TESTING IS ON-GOING, IT IS A HYPERLEDGER COMPOSERS COMPONENT.
Search engines enable you to locate web pages related to a specific subject.
Geostationary satellites have a high propagation delay.
Answer:
Following are the Query to this question:
/*creating view product_summary */
CREATE VIEW product_summary AS
SELECT product_name, COUNT (order id) As order_count,
/* selects columns names */
SUM(item_total) AS order_total /* add values */
FROM order_item_products /* table name order_item_products*/
GROUP BY product name;
Explanation:
Creating view description can be described as follows:
- In view creation "CREATE VIEW' command is used, which creates its view "product_summary".
- In this creation, the columns are used, which returns the view that will come from the "SELECT" command.
- In this "FROM" command is uses the table, in which all "order_count" and "order_total" manipulate columns, use the "AS" command is used, which gives all the existing values, and it also uses the group by, which operates each product.
Infrastructure is the foundation or framework that supports a system or organization. In computing, information technology infrastructure is composed of physical and virtual resources that support the flow, storage, processing and analysis of data. Infrastructure may be centralized within a data center, or it may be decentralized and spread across several data centers that are either controlled by the organization or by a third party, such as a colocation facility or cloud provider.