How can full-text search operations be carried out in MySQL?

Performing a full-text search operation in MySQL usually involves using a full-text search engine or index to improve search performance and accuracy. Here are the general steps to execute a full-text search operation in MySQL:

1. To create a full-text index, you first need to create a full-text index on the table where you want to perform full-text search. You can use the ALTER TABLE statement to add a full-text index, for example:

ALTER TABLE table_name ADD FULLTEXT(column_name);

This will create a full-text index for the specified column in the table.

2. Perform a full-text search query: Once a full-text index is created, you can use the MATCH AGAINST statement to execute a full-text search query. For example:

SELECT * FROM table_name WHERE MATCH(column_name) AGAINST ('search_keyword');

This will return all matching lines containing the specified search keywords.

3. Adjusting full-text index configuration: Optimizing full-text search performance can be achieved by modifying the configuration parameters of the full-text index. For instance, adjusting the minimum word length, stop word list, and other parameters of the full-text index.

In general, performing a full-text search in MySQL requires creating a full-text index and using the MATCH AGAINST statement for search queries. Optimizing the configuration parameters of the full-text index can improve search performance and result accuracy.