What is trigger, procedure, function, package, indexes and how it works ?
Desarrollador Oracle Pl Sql Interview Questions
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SQL queries asked mostly on group by
Primary key and unique key difference
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SQL: Triggers Function syntax Procedure execution Joins how do you optimize slow running query delete and drop Common Table expressions Normalization They will give scenarios and ask you to write the queries. Power Bi: difference of Filter/ slicer page level filters Import mode and direct query Relationships some example scenerio questions: if i take the live data can we refresh the report everyday? if i have 5 lakhs record and 10k records which one you will use import mode or direct mode? Time intelligence functions
Basic SQL commands
Tell me about yourself,
Are you familiar with stored procedures? Describe your experience using stored procedures.
Difference between a view and materialized view? Can we modify a view? if any view is modifiable? Difference between PLSQL table and Varray? Have you ever used utl_file package? Write a program to bulk insert into a table using FORALL ? Find the 2nd highest salary of an employee? Difference between procedure and function
one query on self join
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