[Answer in one or two sentence]
1. Name the two view of the tables in database
2. What are the different object of database?
[Answer in brief ]
1. Explain two possible veiw of the database
2. What are the rules for naming a field?
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Answer:
- The views in which the table can be assorted and managed in the database are two, which are Physical database view and the Relational Database view
- A database object is any defined object in a database that is used to store or reference data.
Brief
- In a database, a view is the result set of a stored query on the data, which the database users can query just as they would in a persistent database collection object. This pre-established query command is kept in the database dictionary. Unlike ordinary base tables in a relational database, a view does not form part of the physical schema: as a result set, it is a virtual table computed or collated dynamically from data in the database when access to that view is requested. Changes applied to the data in a relevant underlying table are reflected in the data shown in subsequent invocations of the view. In some NoSQL databases, views are the only way to query data
- Rules to enter field names :
- you can not use any spaces before, middle or after the field name.
- have to keep in mind that field names always start with English letter.
- you can use only alphanumeric characters and underscores. ...
- Fields name will be always unique.
- name of the field can not exceed 64 characters in length.
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