Definition: Escape keywords are often used to make certain special characters, such as wildcards: '%', '_' escape as they
The meaning of characters, the defined escape character is usually used to use '/', but other symbols can also be used.
Example:
SQL> SELECT * from T11 Where name Like '% _%'
Name ---------- AA_AAAASQL> SELECT * from T11 Where name Like '% / _%' escape '/';
Name ---------- AA_A
Note: If it is '/' as a search character, you must use '/' as an escape character, the front oblique weapon is also .Select * from wan_test where psid like '% //%' Escape '/'
