Explain If the large table contains thousands of records and the application is accessing 35% of the table which method to use: index searching or full table scan?
Submitted by: AdministratorA full table scan could be quicker,since it will fetch multiple blocks in one fetch, compared to index->table, index->table for each row.
Measure both ways and decide
Submitted by: Administrator
Measure both ways and decide
Submitted by: Administrator
Read Online Oracle Scenarios Job Interview Questions And Answers
Top Oracle Scenarios Questions
☺ | Explain about the oracle disaster recovery scenarios? |
☺ | Explain What is Testing Scenario? What is scenario based testing? can u explain with an example? |
☺ | Explain What is bulk SQL? |
☺ | Tell us In which situation whether peak time or off peak time we will execute the ANALYZE TABLE command and Why? |
☺ | Explain What are the differences between database designing and database modeling? |
Top DB Oracle Categories
☺ | Oracle PL-SQL Interview Questions. |
☺ | Oracle DBA Interview Questions. |
☺ | Oracle D2K Interview Questions. |
☺ | OCI Interview Questions. |
☺ | Oracle RMAN Interview Questions. |