________ allows only committed data to be read, but does not require repeatable reads(a) Read uncommitted(b) Serializable(c) Repeatable read(d) Read committed

________ allows only committed data to be read, but does not require r

1.	________ allows only committed data to be read, but does not require repeatable reads(a) Read uncommitted(b) Serializable(c) Repeatable read(d) Read committed
Answer» Right answer is (d) Read committed The explanation: Read committed allows only committed data to be read, but does not require repeatable reads. For instance, between two reads of a data item by the transaction, another transaction may have updated the data item and committed.

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________ allows only committed data to be read, but does not require repeatable reads(a) Read uncommitted(b) Serializable(c) Repeatable read(d) Read committed

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