After creating a report, you view it in Layout view, you see that the report is extremely wide. You decide to narrow the state field, since the states are displayed using two-letter abbreviations. Explain how you would narrow the width of the state field
What will be an ideal response?
Click in the state field to select it. Place the pointer on the right border, and when it becomes a double arrow, drag the border to the left until the desired width is attained. Note: this process can also be done using the left border and dragging to the right.
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Suppose that transactions T1 and T2 can be decomposed into the subtransactions T1 : T1,1, T1,2 and T2 : T2,1, T2,2 such that each subtransaction individually maintains the consistency constraints of the database. Instead of guaranteeing that all schedules involving T1 and T2 are serializable, suppose that a concurrency control guarantees that all subtransactions are always executed serializably.
a. Will T1 always be serializable with T2? Explain. b. Will integrity constraints be maintained by all possible schedules? c. What possible problems might arise if the concurrency control schedules transactions in this way?
A CDATA section is a block of text that XML treats as word data only.
Answer the following statement true (T) or false (F)
To improve readability and maintainability, you should declare _________ instead of using literal values such as 3.14159.
a. variables b. methods c. constants d. classes
Unshielded twisted-pair cable capable with a specification of 100 MHz/100 Mbps is also called Category ________
a. 5 b. 6 c. 7 d. None of the above