4. Write the operation symbol and its name for each operation in the following table: (2...
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4. Write the operation symbol and its name for each operation in the following table: (2 point) Operation Name Purpose Returns its argument relation, with certain attributes left out. Selects tuples that satisfy a given predicate The results of relational-algebra expressions do not have a name that we can use to refer to them. Allows us to combine information from any two relations 4. Write the operation symbol and its name for each operation in the following table: (2 point) Operation Name Purpose Returns its argument relation, with certain attributes left out. Selects tuples that satisfy a given predicate The results of relational-algebra expressions do not have a name that we can use to refer to them. Allows us to combine information from any two relations
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Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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