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define anomalies and different types of anomalies with example
NEED FOR A DATABASE MANAGEMENT SYSTEM A Database is a structured, persistent collection of data of an organisation. The database management system (DBMS) manages the database o
Before we talk about the relational model in more detail, let us first define some very basic terms used in this model. Tuple Every row in a table shows a record and is cal
#what is cursor its uses ? Explain it
create an er diagram for production management in film industry
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
CREATE TABLE prodtrans ( pno number (4) ptype char (1) CHECK (ptype in ('I','R','S')), qty number (5) FOREIGN KEY pno REFERENCES product (pno) ON DELETE CASCADE);
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
What are the drawbacks of File Oriented System in details?
What is Nested Trigger? A trigger can also having INSERT, UPDATE and DELETE logic within itself, so when the trigger is fired because of data modification it can also cause ano
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