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What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
Project Description: This is going to be a School portal to handle each activities in school such as, School fees payment, online registration and every other payment, course re
How can we Classify the operations on classes This step fundamentally means all three models functional, object and dynamic (studied in last section) must be combined so that
List any two disadvantages of a database system ? The disadvantages of database system are: • Database systems are difficult, complex, and time-consuming to design. • Substanti
what is database management system? & why it is required?
a. Construct a query around any one of the functional divisions you made in 4a such that if executed in the distributed design of 4 would require reconstruction of at least two ho
What is a foreign key, and what is it used for? A foreign key is used to establish relationships between relations in the relational model. Technically, a foreign key is a colu
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
Which database object does not physically exist? A view database object does not physically exist.
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.
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