Oracle Text in Oracle

 Oracle Text in Oracle

Oracle Text is a feature in Oracle Database that provides full-text search capabilities for text data stored in the database. Oracle Text allows you to index and search text data using various search algorithms and linguistic tools.

Here is an example of using Oracle Text to create a full-text index:

CREATE INDEX my_index ON my_table(my_column)

INDEXTYPE IS CTXSYS.CONTEXT;

This example creates a full-text index named "my_index" on the "my_column" column of the "my_table" table. The index is created using the CTXSYS.CONTEXT index type, which provides full-text search capabilities. Once the index is created, you can use the CONTAINS operator to search for text data:

SELECT * FROM my_table WHERE CONTAINS(my_column, 'search_string') > 0;

This statement searches the "my_column" column of the "my_table" table for the text string "search_string". If any matches are found, the statement returns the matching rows.