De?ne the following simple types:
a. A type whose domain consists of lists of strings, where each list consists of seven elements
b. A type whose domain consists of lists of strings, where each string is of length seven
c. A type whose domain is a set of lists of strings, where each string has between seven and ten characters and each list has between seven and ten elements
d. A type appropriate for the letter grades that students receive on completion of a course—A, A?,B+,B,B?,C+,C,C?, D, and F. Express this type in two di?erent ways: as an enumeration and using the pattern tag of XML Schema.
a. Assume that the target namespace is denoted by the pre?x my.
b. Assume that the target namespace is denoted by the pre?x my.
c. Assume that the target namespace is denoted by the pre?x my.
d.
..........
In the gradesAsPattern representation, (...) represent complex alternatives of patterns separated by | (W3C has adopted the syntax of regular expressions used in Perl), [...] represent simple alternatives (of characters), and ? represents zero or one occurrence, as usual in regular expressions.
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a. BUT b. OR c. AND d. NOT