PostgreSQL Functionality

I would appreciate if someone familiar with PostgreSQL would answer the
following question regarding the functionality of PostgreSQL database.

Regards, mrv

Description Yes No Comment/Constrain
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(1)Initially, the system/DBMS must be capable
to handle from 25 to 200 concurrent users.
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(2)Ability to quickly and easily add additional
users if required.
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(3)The DBMS must permit simultaneous data
base accesses (Multi-Tasking).
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(4)Ability for queuing update requests at the
record or field level when field contention
prevents simultaneous updates.
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(5)Permit concurrent processing of batch and
on-line jobs accessing and updating the
same data files and database.
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(6)The DBMS must be independent of terminal
type or transaction type and be able to be
accessed from any workstation in the network.
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(7)Ability to permit changes in the data base
structure without requiring recompilation of
programs directly impacted by the changes.
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(8)Ability to utilize a state of the art data base
management system to perform administrative
computing functions.
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(9)Ability to create related data tables as necessary.
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(10)Integrated backup and restore
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(11)Ability to export data in tab or comma-delimited
forms (csv: comma separated values)
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(12)Import tab and comma-delimited text files from
other programs (csv)
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