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What is the way a particular application views the data from the database that the application uses?
Sub schema is the way a particular application views the data from the database that the application uses.
Databases and data warehouses both are databases and both contains number of rows and columns of tables containing data. Data warehouse is really different from databases because d
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
What is Message switching Message switching transmits data units which can be arbitrarily long. Packet switching has a utmost packet size, if any message longer than that, it s
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
Define Cascading rollback The phenomenon where a single transaction failure leads to a series of transaction rollbacks is known as Cascading rollback.
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
Define single valued and multivalued attributes. Single valued attributes: attributes with a single value for a particular entity are known as single valued attributes. Mult
what do you mean by consistency in rdbms?
How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct
#questiontypes of keys examples..
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