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Write short notes on relational model
The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an example of a record based model.
Define rotational latency time. The time spent waiting for the sector to be accessed to appear under the head is known as the rotational latency time.
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
WHAT IS SQL
Implementing software control To implement software control designer must redesign strategy of state event model which is present in dynamic model. There are three basic ap
Explain Clustering file organization (i) Determine if a record of file is physically ordered on a nonkey field - that does not comprise a different value for each record - that
What are the different approaches for database design? There are two basic approaches for database design which are as follows: Attribute driven: It compiles a list of att
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
Heap files (unordered file) Mostly these files are unordered files. It is the easiest and most basic type. These files having of randomly ordered records. The records will have
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
Using your cache simulator and using smalltex.din as your memory trace determine the total miss rate, compulsory miss rate, capacity miss rate, and conflict miss rate for the follo
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