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What are composite attributes? Composite attributes can be separated in to sub parts.
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Q. Why would you choose a database system instead of simply storing data in operating system file? Define at a base concept in details. Sol. Advantages of Database over Fil
Atomicity: It describes a transaction to be a one unit of processing. We can also say either a transaction will be finished completely or not at all. In the transaction example 1
Horizontal Fragmentation- Horizontal fragmentation groups together the tuples in a relation that are collectively used by the main transactions. A horizontal fragment is produced b
A field-groups statement or an insert statement reverses storage space and transfers values. False.
Relationship between Security and Integrity: Database security usually refers to access, while database integrity refers to avoidance of accidental loss of consistency. But usually
What is property - properties of a database ? It is an integrated collection of logically related records. It consolidates separate files into a common pool of data records and
I need web security expert , website management Project Description: i want professional for the below . website management server management database management
Indexed (Indexed Sequential) File Organisation It organises the file like a big dictionary, i.e., records are kept in order of the key but an index is stored which also allows
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