What is the Payment Card Industry Data Security Standard (PCI DSS)?
What will be an ideal response?
The PCI DSS is a set of security standards that all companies that process, store, or transmit credit or debit card information must follow. PCI applies to any enterprise or merchant, regardless of its size or number of card transactions, that processes transactions either online or in person.
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A __________________ search looks through the search pool one element at a time.
a) binary b) clever c) insertion d) selection e) linear
You use the ____ command to create a Linux file system on a device.
A. mount B. fsck C. fdisk D. mkfs
None of the query execution plans in Figure 11.3 for queries (11.2)–(11.5) does duplicate elimination. To account for this, let us add one more relational operator, ?, which denotes the operation of duplicate elimination. Modify the plans in Figure 11.3 by adding ? in appropriate places so as to minimize the cost of the computation. Estimate the cost of each new plan.
What will be an ideal response?
An array subscript cannot be less than 1.
Answer the following statement true (T) or false (F)