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What is the use of group by clause? Group by clause is used to be relevant aggregate functions to a set of tuples. The attributes given in the group by clause are used to shape
properties of derirable decomposition
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
The aims of the project are: 1. To enable the students to undertake the detailed design of a specific plant or process 2. The design projects includes: process selection; und
Explain CNT in the respects of QBE ? CNT: It is one of the aggregation commands given in QBE. It is used to identify number of tuples
List any two significant differences between a file processing system and a DBMS. File Processing System vs. DBMS Data Independence - Data independence is the capacity t
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
explain participation constraints with examples
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