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Q01:
What is the difference between a database and a table? |
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Q02:
What does it mean to say that a database displays both entity integrity and referential integrity?
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Q03:
Why are entity integrity and referential integrity important in a database?
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Q04:
What are the requirements that two relations must satisfy in order to be considered union-compatible?
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Q05:
Which relational algebra operators can be applied to a pair of tables that are not union-compatible?
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Q06:
Explain why the data dictionary is sometimes called "the database designer's database" |
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Q07:
A database user manually notes that "The file contains two hundred records, each record containing nine fields."
Use appropriate relational database terminology to "translate" that statement. |
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