SQL搜索包含的术语

Question

If it possible to search in a table for records of which its name contains a search term?

Thanks

Answer 1

SELECT * FROM `my_table` WHERE name LIKE '%my_search_term%'

or

SELECT * FROM `my_table` WHERE CONTAINS(name, 'search')

But be aware that the LIKE statement is very expensive. If you searching through a lot of text, you might want to consider using Sphinx for exemple.

Answer 2

Sure. There is the CONTAINS predicate:

... WHERE CONTAINS(name, 'search-term')

There is also the LIKE operator and some DBMS allow for regular expressions.

Answer 3

It sounds like what you are looking for is LIKE

-- Get all people with phone numbers starting with 920
SELECT * FROM People WHERE PhoneNumber LIKE '920%'