In a relational database, the ________ keys are always on the "many" side of a one-to-many relationship
Fill in the blank(s) with correct word
foreign
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You have the choice of running a single transaction to transfer |S300 from one of your savings accounts to another savings account at the same bank or of running two transactions, one to withdraw |S300 from one account and a second to deposit |S300 in the other. In the first choice the transfer is made atomically; in the second it is not. Describe a scenario in which after the transfer, the sum of the balances in the two accounts is different (from what it was when both transactions started) at the instant the transfer is complete. Hint: Other transactions might be executing at the same time that you are doing the funds transfer.
What will be an ideal response?
Why does register renaming prevent write?after?write hazards (WAW) but not read?after?write (RAW) hazards?
What will be an ideal response?
Which of the following C types could is more suitable to store pi (3.14159)?
A. short int B. double C. long int D. double imaginary E. double complex
What is 1 - 0.1 - 0.1 - 0.1 - 0.1 - 0.1 == 0.5?
a. true b. false c. There is no guarantee that 1 - 0.1 - 0.1 - 0.1 - 0.1 - 0.1 == 0.5 is