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?

980

What is where clause in oracle?

1031

Which is faster join or subquery in oracle?

995

What is a lookup table in oracle?

973

How to resolve the ORA-39133 error in Oracle?

1122

What are the different types of databases?

1 1220

What are ACID properties in databases?

1 2872

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

1 1217

What is indexing, and how does it improve performance?

1 1094

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

1 3166

What is the CAP theorem?

1 1112

How would you optimize a slow SQL query?

1 3162

How do you handle duplicate records in a database?

1 1061

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

1 1062

How do you ensure database security?

1 1207

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Un-Answered Questions { Oracle General }

What happens if you lost a data file?

1036

1) What is ONE_SIZE_FITS_ALL approach? 2) Explain the Common & Variable Header of DATA FILE? 3) What are the Drawbacks to using OMF DB? and the Advantages? 4) List out the Advantages of Undo T.spaces over the Undo SEGMENT? 5) Difference between the Temporary tablespace with TEMPFILE and the Tablespace with TEMPORARY Keyword? 6) What are the situation extents are freeing for reuse.

2093

What are the differences between number and binary_float in oracle?

1100

What is the difference between truncate & delete command?

1182

What is different types of joins?

1022

What is a table index?

1098

What is an oracle and why it is used?

1150

Explain parameter file in oracle.

1029

What is the data pump export utility?

1081

Other than making use of the statspack utility, what would you check when you are monitoring or running a health check on an Oracle 8i or 9i database?

1990

Is there a combination of "like" and "in" in sql?

1065

How to see free space of each tablespace?

1036

What is the difference between "as" and "is" in an oracle stored procedure?

992

Can I create users through internet explorer in oracle 10g?

1084

How to use "for" statements in oracle?

1076

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