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Oracle Plsql Developer Interview Questions

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171 oracle plsql developer interview questions shared by candidates

What is faster subquery or CTE What is veiw and materialized view if we delete a table what will be the result of select * from the view created on the table what are analytical functions order salary based on Rownumber,rank,denserank procedure for a palindrome write a syntax of procedure with all blocks what are indexes and its type merge statement (can we use a same table in merge) left join and inner join and right join for below Table 1 Table 2 column 1 column1 1 1 1 0 0 null null null second highest salary
avatar

Oracle PlSql Developer

Interviewed at Tata Consultancy Services

3.5★
Feb 22, 2025

What is faster subquery or CTE What is veiw and materialized view if we delete a table what will be the result of select * from the view created on the table what are analytical functions order salary based on Rownumber,rank,denserank procedure for a palindrome write a syntax of procedure with all blocks what are indexes and its type merge statement (can we use a same table in merge) left join and inner join and right join for below Table 1 Table 2 column 1 column1 1 1 1 0 0 null null null second highest salary

Write proc with collection? Difference between pk and unique key and questions based on them. Questions related to packages, procedures and functions eg can function return more than 1 value etc. Most of the questions from collections - nested table. How to use trim and extend? Ask to write a procedure and gave scenerios to solve using collections. Questions on performance tuning.
avatar

Oracle PlSql Developer

Interviewed at TSYS|Total System Services

3.5★
Mar 10, 2024

Write proc with collection? Difference between pk and unique key and questions based on them. Questions related to packages, procedures and functions eg can function return more than 1 value etc. Most of the questions from collections - nested table. How to use trim and extend? Ask to write a procedure and gave scenerios to solve using collections. Questions on performance tuning.

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