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Introduction to Oracle9i: SQL
Автор
Subject: Q233
written 19 January 2008 10:09
Jonnik
Explanation:
: EMPLOYEE_ID is a primary key. Incorrect answer :
1:
EMPLOYEE_ID cannot be null
2:
EMPLOYEE_ID cannot be null
4:
mismatch of field_name with datatype
Reference:
Introduction to Oracle9i : SQL, Oracle University Study Guide, 10-11
Current tread:
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Q233
-
Jonnik
10:09 19.01.08
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gen. 0.065
Server date 02:54 10-01-2009
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Oracle 1Z0-007
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