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#questiontypes of keys examples..
Which database object does not physically exist? A view database object does not physically exist.
Draw the database using the ER approach and then make the tables accordingly. Populate the tables so that every table have at least 10 tuples. Then using Java and SQL, execute the
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
Explain Network Model in DBMS? Network Model - It was formalised within the late year of 1960s through the Database Task Group of the Conference on Data System Language (DBTG
What do you mean through integrity constraints? Integrity Constraints -An integrity constraint is a condition specified on a database schema and restricts the data in which
give me a diagram about physical or internal level
Probelm: a) In the context of OODBMS, define the following terms with appropriate examples. (i) Object class. (ii) Abstract class. (iii) Aggregation. (iv)
What's the difference between a primary key and a unique key? Both primary key and unique key enforces uniqueness of the column on which they are explained. But by default prim
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