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If a database is used mostly for data modification,the _______________ degree of normal form should be achieved.
Q2: Some modifications to updatable views can be
Q6: You can use a SELECT and an
Q8: The SQL:2003 standard for single character string
Q9: To support customized code,most database application development
Q15: Which of the following columns of the
Q22: Which of the following columns or combination
Q22: In Crow's Foot notation,a circle means a
Q30: SELECT DISTINCT CNAME,AGE FROM CUSTOMER WHERE CID
Q65: In a hierarchical form,the fixed part is
Q75: A relational algebra operator applied to