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What is a dataset?
A dataset is an in-memory database that is disconnected from any regular database, but has all the significant characteristics of a regular database. Datasets can have many tables, relationships, referential integrity rules, referential integrity actions, views and the equivalent of triggers. Datasets are required to give a standardized, non-proprietary means to process database views. They are especially significant for the processing of views with many multivalued paths.
What is a state chart diagram? State diagrams (State Chart Diagram) explain all possible states that a particular object can get into, and how object's state changes as result
Differentiate between natural join and outer join? Natural join is a binary operator which is written as (R * S) where as R and S are relations. The output of the natural join
Question: (a) Prepare an ERD for the scenario given below. (b) Convert the ER diagram produced in (a) above into its physical design. You have to choose an appropriate Pri
What is a trigger
Consider the following relational database: STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course#, sem
List and also explain the dissimilar stages of DDLC ?
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
Describe disk manager and their work? Disk Manager: Responsible for fetching data regulated through file Manager from disk storage within Main memory and deciding what data to
What is RDBMS? Relational Data Base Management Systems (RDBMS) are database management systems that maintain data records and indices in tables. Relationships may be formed and
Complete replication: It implies maintaining of a whole copy of the database at every site. Thus, the reliability & availability and performance for query response are maximized.
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