Oracle General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Oracle General Interview Questions

Questions Answers Views Company eMail

What is set operator oracle?

1034

What is where clause in oracle?

1076

Which is faster join or subquery in oracle?

1047

What is a lookup table in oracle?

1024

How to resolve the ORA-39133 error in Oracle?

1183

What are the different types of databases?

1 1305

What are ACID properties in databases?

1 3249

What is the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN?

1 1325

What is indexing, and how does it improve performance?

1 1180

What is a deadlock in SQL? How can you prevent it?

1 3548

What is the CAP theorem?

1 1213

How would you optimize a slow SQL query?

1 3521

How do you handle duplicate records in a database?

1 1137

How would you design a database for an e-commerce website?

1 1146

How do you ensure database security?

1 1295

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Un-Answered Questions { Oracle General }

How to rename an index?

1122

What is the difference between a hot backup and a cold backup in oracle?

1074

How to open a cursor variable?

1087

What is data block in Oracle?

1148

What to do if the startbd.bat failed to start the xe instance?

1124

How do I call oracle stored procedures that take no parameters?

1200

What is tns name?

1026

How to set a transaction to be read only in oracle?

1137

How to pass parameters to procedures in oracle?

1080

How many objectname will be created for a single table drop function? Why 'flashback' query giving error "ORA-38312: original name is used by an existing object" while getting the table?

2311

Who developed oracle & when?

1057

does the query needs a hint to access a materialized view?

1905

How i can handle exception in large code like 1000 line without distrubing the code or without exception handler sction?

3244

How to get last row id?

1049

what is the scenario where you take the database to NoArchivelog mode?

2376

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