What is an Index , Types od index why we are use index.
Answer Posted / ravi saini
An index is a performance-tuning method of allowing faster
retrieval of records. An index creates an entry for each
value that appears in the indexed columns. By default,
Oracle creates B-tree indexes.
Create an Index
The syntax for creating a index is:
CREATE [UNIQUE] INDEX index_name
ON table_name (column1, column2, . column_n)
[ COMPUTE STATISTICS ];
UNIQUE indicates that the combination of values in the
indexed columns must be unique.
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
How to retry multiple errored workflow processes? What is the access level in workflow used for? How do you define start and end functions in workflow? How does they differ from normal functions? Give me some workflow tables? What is the difference between a function and notification in workflow? I have sent two different notifications to two different users and I want to wait till both they are approved to send 3rd notification. How can you achieve it? What is item type and item key in workflow? How do you use attribute values in workflow messages? How do you use lookups in workflow? What are roles in workflow and how they are used? How do you download or upload a workflow from a server? What are steps to customize the workflow? What functions can you perform from workflow administrator responsibility? To send an email to the user workflow notification is the only way or is there any other ways to send it? Give me some workflow standard procedures? How can you run/start/kickoff workflow? What is wf_engine package used for? How many processes can each workflow contain? What is Runnable option in workflow? At what level it exists? What are different types of attributes in workflow? How do you reassign a notification? What is process in workflow? How can you send direct oracle form link through workflow notifications? How can you send a notification to multiple users? Can you change the list dynamically? Can you send html code in workflow notification? I have sent two different notifications to two different users and I want to wait till atleast one is approved to send 3rd notification. How can you achieve it?
What are the different components of soa suite?
What are the Standard Reports and Forms in HRMS?
tell me the scenarios of the independent in reports
List of all the modules under Manufacturing, Finance and Distribution in oracle applications?
is it possible to run the interface without using oracle apps?
how can develope the po variance and po summary report? with tables mandatory columns and query please?
Can u give the Documentation of Custom.pll in oracle apps
what are the balancing segments in AR?
WHAT IS CUSTOM VIEW AND CUSTOM COMPONENT?
Explain what are the tables of auto invoice?
In sequence i want to 11 and 15th values how we will write?
Suppose for report I have to parameters those are from_date and to_date, so to_date should be greater when compare to from_date, if we are giving to_date is lessthen it must shows some error how we will make?
Do you know where we can check the status of po?
Do you know what are user profiles in apps. Any examples you can give?