| Demo Table And Records |
| Demo Data |
CREATE TABLE wildcard (
test VARCHAR2(25));
INSERT INTO wildcard VALUES ('23%45');
INSERT INTO wildcard VALUES ('2345');
INSERT INTO wildcard VALUES ('2365');
INSERT INTO wildcard VALUES ('Daniel Morgan');
INSERT INTO wildcard VALUES ('Washington');
COMMIT; |
| |
| Wildcard Characters |
| Single Character |
_ (underscore) |
SELECT *
FROM wildcard
WHERE test LIKE '23_5'; |
| Multiple Characters |
|
SELECT *
FROM wildcard
WHERE test LIKE '2%5'; |
| Mixed Single And Multiple Characters |
SELECT *
FROM wildcard
WHERE test LIKE '_3%5'; |
| Complex Statement |
SELECT *
FROM wildcard
WHERE test LIKE '%a%a
%'; |
| |
| Querying Records Containing Wildcards |
| Find Records Containing Percentage Sign |
ESCAPE '<escape_character>' |
SELECT *
FROM wildcard
WHERE test LIKE '%\%%' ESCAPE '\'; |
