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As long as two transactions, T1 and T2, access _____ data, there is no conflict, and the order of execution is irrelevant to the final outcome.
Rate of Return
The positive or negative change in an investment's worth, calculated as a percentage of its original cost.
Correlation Coefficient
A numerical measure of the linear correlation between two variables, ranging from -1 to 1.
Riskless Portfolio
A theorized portfolio of investments that has a guaranteed return, with no risk of financial loss.
Risky Stocks
Shares in companies with high volatility and potential for substantial gains or losses.
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