Which of the following is NOT true about system tables?
A) You cannot view a system table.
B) When you attach files to a record, Access creates a minimum of one system table.
C) You can append and delete records in a system table.
D) There can be more than one system table.
C
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Which of the following is true about naming objects?
A. the database management system provides strict rules B. Camel case does not use special characters to link words C. tables should always be named with a character prefix D. A column name of Last Name is preferable to LastName
Create the list of all professors who ever taught MAT123. The information must include all attributes available from the Professor relation.
Using the document structure described in Exercise 15.23, formulate the following queries in XQuery:
What device do you use to transfer the contents of a printed page into your computer and how does it work?
What will be an ideal response?
A _____ measures the time a package takes to process a certain number of transactions.?
A. ?newsgroup B. ?parameter C. ?benchmark D. ?middleware