Introduction to Database System
A good query system

None of these
allows non-programmers to access information stored in a database
can be accessed only by data processing professionals
can accept English language commands
both (a) and (b)

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Introduction to Database System
In SQL, the CREATE TABLE is used

to redefine a column
to create a table, defining its columns, integrity constrains, and storage allocation
to add a column/integrity constraint to a table
to change a table's storage characteristics
All of these

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Introduction to Database System
In SQL, the CREATE TABLESPACE is used

All of these
to add/rename data files, to change storage
to create a database trigger
to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace
None of these

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