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Database Systems
A form defines
where data is placed on the screen
the width of each field
both (a) and (b)
All of the above
None of the above
Correct Answer:
both (a) and (b)
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Database Systems
When using a database management system, the first thing that you must do is to
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After you _____ a record, many data management the environments require you to issue a command to save the changes you made.
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Sort/report generators
In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.
In SQL, which command is used to add new rows to a table?
In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?
The highest level in the hierarchy of data organization is called
A network schema
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