If the NOT NULL and UNIQUE specifications are not supported when using a command sequence, use _____ without the specifications.
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Q40: The_ constraint assigns a value to an
Q41: The _ pseudo-column is used to select
Q42: To make the SQL code more _,
Q43: A(n) _ is a logical group of
Q44: _ is a cursor attribute that returns
Q46: In a 1:M relationship, a user must
Q47: _is the process the DBMS uses to
Q48: U.S. state abbreviations are always two characters,
Q49: A(n) _ cursor is automatically created in
Q50: _ words are words used by SQL
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