Maurice Tutor

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Category > Computer Science Posted 17 Sep 2017 My Price 9.00

identifiers are case-insensitive.

In SQL, keywords and identifiers are case-insensitive. Write a Lex program that recognizes the keywords SELECT, FROM, and WHERE (in any combination of capital and lower-case letters), and token ID, which for the purposes of this exercise you may take to be any sequence of letters and digits, beginning with a letter. You need not install identifiers in a symbol table, but tell how the "install" function would differ from that described for case-sensitive

identifiers as in Fig. 3.23.

width=

width=

Figure 3.23: Lex program for the tokens of Fig. 3.12

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Maurice Tutor
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Status NEW Posted 17 Sep 2017 02:09 PM My Price 9.00

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