Web forms use a ____________ control to access a database and retrieve table rows.
a. DataSet
b. DataSource
c. DataDetails
d. Connection
b. DataSource
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Showthat the following proposed protocol for a timestamp-ordered concurrency control is not recoverable.
Store with each data item the maximum timestamp of any (not necessarily committed) transaction that has read that item and the maximum timestamp of any (not necessarily committed) transaction that has written that item. When a transaction makes a request to read (write) a data item, if the timestamp of the requesting transaction is smaller than the write (read) timestamp in the item, restart the transaction; otherwise, grant the request. What will be an ideal response?
Which file is helpful to allow a human to easily read an XML file?
A. HTML B. XSD C. XDOC D. XSL
Each linked area in an image map is know as a(n) ____ .
A. link B. shape C. alt image D. hotspot
Answer the following statement(s) true (T) or false (F)
In general, an API (application programming interface) call is the method an application uses when it makes a request of the OS.