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Sql Developer Interview Questions
Sql Developer Interview Questions
SQL staat voor Structured Query Language en SQL developers creëren SQL-databases en de programma's die daarmee werken. Ze gebruiken vaak ontwerptabellen en opslagprocedures voor stabiliteit, betrouwbaarheid en prestaties. In een sollicitatiegesprek voor SQL developer stellen werkgevers vaak vragen over uw programmeerkennis en probleemoplossingsvaardigheden.
Meest gestelde sollicitatievragen voor een SQL developer (M/V/X) en hoe te antwoorden
Vraag 1: Wat zijn de typen sleutels in SQL en wanneer gebruikt u ze?
Vraag 2: Welke typen normalisatie zijn beschikbaar in SQL en hoe gebruikt u ze?
Vraag 3: Met welke programmeertalen bent u vertrouwd?
2,216 sql developer interview questions shared by candidates
Tell me about yourself and your skills?
Tell me in non-technical terms the difference between an inner join & outter join? (SQL)
Tell me how you would approach a business requirements problem
Write sql to provide output for a given a scenario, e.g various approach to write sqls, PIVOT, WITH , JOIN Subqueries, Analytical functions etc.
all the questions are about joins , case , analytical functions
How would you identify a long running query? How would would find out the execution plan of that query? If you have a SPID how could you see what query that spid was executing? Name the types of waits in SQL-Server? What do they mean? Is there another way besides SQL Server Profiler, Extended Events and Performance Monitor to see waits, I/O, etc? What is the difference between an Implicit and Explicit query in SQL? With a large database using Blobs what sort of configuration changes do you have to make? How do you setup indexing specifically? What steps do you take to tune SQL queries? How would you go about rewriting a poorly performing query? How could you tell where indexes were missing? Why would you choose SQL-Server over Oracle?
MCA with 3 year of experience in Dot net,silverlight,wpf,Sql server ,crystal report
SQL and ETL codes
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