Answer the following questions true (T) or false (F)
1. True/False: Records in a sequential file are separated by an end-of-record marker.
2. True/False: The EOF(end-of-file) function is the same thing an end-of-record marker.
3. True/False: To delete, change, or insert a record within an existing sequential file, the entire file must be rewritten.
1. T
2. F
3. T
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By default, records in a table are sorted by the ________
Fill in the blank(s) with correct word
You are considering the possibility of horizontally partitioning the relation Employee (SSN, Name, Salary, Title, Location) by location and storing each partition in the database at that location, with the possibility of replicating some partitions at different sites. Discuss the types of queries and updates (and their frequencies) that might influence your decision.
What will be an ideal response?