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What is trigger?
Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Using a database design approach of your choice, produce a logical design for Pharma. 1) Your answer must consist of ONE the following: An entity-relationship (ER) diagra
Preliminary entities and attributes of human resourse management database management system
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
er diagram on cosmetics.
Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
What are the advantages of embedded query language? Give an example of an embedded SQL query. Embedded query language - SQL could be implemented within two ways. It can be us
Question: One of the tasks a database management system must perform is to ensure that the data is still intact in the face of software and hardware failure. This task is known
discuss the purpose of the concurrency control?
Domain Constraint It shows that each attribute in a relation has to contain an atomic value only from the corresponding domains. The data types associated with commercial RDBMS
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