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Define single valued and multivalued attributes.
Single valued attributes: attributes with a single value for a particular entity are known as single valued attributes.
Multivalued attributes: Attributes with a set of value for a certain entity are known as multivalued attributes.
What it creates while a primary key is combined with a foreign key? It creates Parent-Child relation ship between the tables that connect them while a primary key is combined w
Benefits: It limits data access. It makes difficult queries look easy. It permits data independence. It presents dissimilar views of the similar data.
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
What is serializability? Explain its types? The data base system must control concurrent implementation of transactions, to ensure that the data base state remains consistent.
entity relationship diagram about finance
What is the difference between internal tables and extract datasets? The lines of an internal table always have the similar structure. By using extract datasets, you can ha
explain the mapping constraints
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
how many types of data model in DBMS? explain data abstraction with its different level
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
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