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why are older data base model are being replaced by new data model
What is the archtetype/instance pattern? The archetype/instance pattern happens when one entity tracks occurrences of another entity. A common example is the relationship among
List any eight applications of DBMS. a) Universities b) Airlines c) Banking d) Credit card transactions e) Tele communication f) Sales g)Finance h) Manufac
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
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What are the advantages of creating a table from existing table?
What is an ERD?
Create a Student database and Retrieve the names of all students majoring in ‘CS' Consider the following relational database: STUDENT (name, student#, class, major) COURSE (co
What is Collation Collation is a kind of sort order. There are majorly 3 types of sort orders, namely: i.) Dictionary case insensitive ii.)Dictionary - case sensitive
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
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