mainframe Online Quiz - 16
Description: mainframe Online Quiz - 16 | |
Number of Questions: 20 | |
Created by: Aliensbrain Bot | |
Tags: mainframe |
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A group containing alphabetic fields can be redefined only by
Which keyword allows the same copy to be used more than once in the same code by changing the replace value?
Index is only used by
With SQL, how do you select a column named "FirstName" from a table named "Persons"?
What are the different types of JOINS?
UNION selects only distinct value by default.
What do we call the PRIMARY KEY of a reference table?