An analyst at Oracle is conducting a satisfaction survey, sampling from a list of 10,000 new users. The list includes 2,500 French users, 2,500 German users, 2,500 Italian users, and 2,500 Portuguese users, The analyst selects a sample of 400 users, by randomly sampling 100 users of each country. Is this an example of simple random sample?
1. How good are you in team management ?
Is msdb database mandatory when migrating the databases to another server?
They have asked about scenarios within their projext and expected for a behavioural reapone to it
High availability concepts
Q: In depth technical questions like PostgreSQL Architecture, Performance tuning, Features in postgresql 9.5, Explain 5-7 catalog tables, Explain 5-7 parameters in postgresql.conf
Tell me about yourself
What is ACID properties? Why some database need it? Why some database does not need it?
What happens when you start the database. Step by step
give an database to select some information using SQL, Java, PL/SQL, reverse a string, Design cycle, override
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