Patents are a secret process. If someone gets your information while the patent is pending, they can steal your idea. The US patent office can give you information. www.uspto.gov/products/catalog/patent_services/index.jsp
A database is a collection of data. Data represents items that are stored within the database.
record
an object-oriented database
You are querying the database.
Address
Address
Address
A relational database is needed for many things. A relational database is known for collecting and organizing various data items into different charts and pictures.
you can get free items by going on hunts and waiting until holidays.
address book
Yes, a shopping list is similar to the database. As we keep our data in our database(in computers) in that way only we keep the data of items to be bought in our shopping list.
A database should be dedicated to one sort of information. A common mistake designers of database systems make is combining unrelated information, leading to many issues.