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What is the difference among a database schema and a database state?
The collection of information stored in database at particular moment in time is known as database state although the whole design of database is known as database schema.
growing phase and shrinking phase are disjoint, why ?
The primary key is selected from the
Define the concept of aggregation. Give two examples where this concept is useful. Ans: Aggregation transforms a relationship among the objects into a higher-level object. A
Smart Alex Catering Sevice (SACS) is a company offering top class catering staff for prestigious events. The company employs approximately 200 hourly paid contact staff - chefs,
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
how many hourse have been spent on a certain project
Hi, Do you offer private tuition for DBMS?
What is called remapping of bad sectors? If the controller detects that a sector is injured when the disk is initially formatted, or when an attempt is made to write the secto
Serialisability: Any schedule that makes the similar results as a serial schedule is known as a serialisable schedule. But how can a schedule are determined to be serialisable or n
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
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