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*This is a database management systems question* Consider an internet voting system where a voter must enter a PIN which is checked to ensure it
*This is a database management systems question*
Consider an internet voting system where a voter must enter a PIN which is checked to ensure it is valid and not already used. Two tables are used: PIN (number, if_voted) and VOTES (candidate, count). Consider a new read-only transaction that outputs the entire vote tally table. Discuss the issues involved in selecting the appropriate isolation level to ensure correctly reporting the voting results
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