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Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
Develop C# schoolproject ASAP Helping me with schoolproject. The project is prepared in C# and haves a database connection. We have some small issues asking up data from t
explain participation constraints with examples
give some example real life situation where DBMS are most suitable
Consider the E/R schema with weak entity sets shown below. Come up with the SQL CREATE TABLE statements (with appropriate primary key, unique and foreign key constraints). Include
For each 1: n relationship type R involving two entities E1 and E2, we recognize the entity type (say E1) at the n-side of the relationship type R and contain primary key of the en
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
Explain Dynamic Two-Phase Locking Here a transaction locks a data item instantly earlier than any operation is applied on the data item. After finishing all the operations on
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Where does view definition stored? A view definition is permanently stored as part of the database.
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