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If a user adds a new column to a table that already has rows, the existing rows will default to a value of _____ for the new column.
Q3: A _ is any key that uniquely
Q16: In Oracle, _ retrieves the current value
Q21: What are the factors affecting the purchasing
Q22: During the _ phase of the Systems
Q32: Automating business procedures and automatically maintaining data
Q34: Most current-generation relational DBMSs perform automatic query
Q56: To implement a small database, a database
Q62: An index key can have multiple _
Q63: A _ is the primary key of
Q67: In a 1:M relationship, to avoid the