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What are domain constraints?
A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken from the similar domain
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
Saving Derived Attributes to Avoid Re-computation Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Define raid? Briefly explain it? A range of disk organization methods, collectively called redundant arrays of independent disks (RAID) o Improvement of reliability throug
What is an object ID? Each class-derived table has an ID for primary key, one or more object IDs form primary key for association derived tables. An object ID is equivalent dat
What are the advantages of object ID? The main advantages of Object IDs are as below: i) IDs are not changing ii) IDs are completely independent of the changes in data v
Explain concept of inheritance with support of suitable example. Inheritance Inheritance is one of milestone of object-oriented programming language as it allows a creati
how to design tables
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
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