code 14.1.3-2.dtd.txt

开发web_xml

<!ELEMENT EMPLOYEE EMPTY>

<!ATTLIST EMPLOYEE pkey_id ID #REQUIRED
NUM CDATA #REQUIRED

FNAME CDATA #REQUIRED

LNAME CDATA #REQUIRED

HIRE_DATE CDATA #REQUIRED

TERM_DATE CDATA #IMPLIED

e-pkey NMTOKEN #FIXED 'NUM'

a-dtype NMTOKENS 'NUM int

FNAME string

LNAME string

HIRE_DATE date

TERM_DATE date'

a-dSize NMTOKENS 'FNAME 32 LNAME 32' >

<!ELEMENT PERF_REVIEW EMPTY>

<!ATTLIST PERF_REVIEW PERF_REVIEW.EMP_NUM_idref IDREF #REQUIRED

EMP_NUM CDATA #REQUIRED

REVIEW_DATE CDATA #REQUIRED

REVIEW CDATA #REQUIRED

a-dtype NMTOKENS 'EMP_NUM int

REVIEW_DATE date

REVIEW date'

a-fkey NMTOKENS 'EMP_NUM EMPLOYEE.NUM'

a-dSize NMTOKENS 'REVIEW 50' >

<!ELEMENT COMP_CHANGE EMPTY>

<!ATTLIST COMP_CHANGE COMP_CHANGE.EMP_NUM_idref IDREF #REQUIRED

EMP_NUM CDATA #REQUIRED

REVIEW_DATE CDATA #IMPLIED

EFF_DATE CDATA #REQUIRED

SALARY CDATA #REQUIRED

a-dtype NMTOKENS 'EMP_NUM int

REVIEW_DATE date

EFF_DATE date

SALARY int'

a-fkey NMTOKENS 'EMP_NUM EMPLOYEE.NUM' >