What is the e-r model?
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i need query for displaying the eno,ename in a table from row 2 to row 5
What are indexes ? What are the advantages ? (Phone Screen)
Discuss some of the techniques that can be used to tune operational performance.
Why dbms is used?
What do you understand by proactive, retroactive and simultaneous update?
How to know the Architecture of the Database
Let?s say you have 100,000 records and you want to delete 95,000 at a time and keep only 5 thousand. But in local memory you don?t have enough space for 95,000 records. What do you do in this case? How do you delete without any problem with time and performance?
Why would someone use a database?
Can two oracle blocks have the same address?
describe middleware applications that ease the connection of databases to web?
Explain the Difference Between OLTP and OLAP Databases.
What is the use of database management system?
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