querying
query
It is SQL.
data warehouse
"Metadata" defines the structure of the data stored.
Data Dictionary.
query
It is SQL.
query is a request for retrive the information from the database.
its called data redundancy.
In database the data is stored in the form of a table. A table can be seen as some number of rows and columns. And the row of the database table is called a record .
Database is defines as a collection related records/data. When the data in the database is grouped based on some classification it is called database clustering.
data warehouse
"Data retrieval" is the function of where someone can request information about a something specific: For example: You have a database, it stores 1000 books, to find a book called: "In The Midst" you would use a query to retrieve the data/information.
The database we use in our daily life is called as active database . The data that is stored in the database which is further stored on the cloud is called cloud database.
"Metadata" defines the structure of the data stored.
The information collected from an observation is called data.
data