Create Authentication Schemes in oracle APX HD

Create Authentication Schemes in oracle application express PL/SQL code is FUNCTION my_auth(p_username IN VARCHAR2,p_password IN VARCHAR2) RETURN BOOLEAN AS FOUND NUMBER :=0; BEGIN SELECT 1 INTO FOUND FROM MY_USERS WHERE UPPER(user_name)=UPPER(p_username) and upper(user_password)=upper(p_password) and user_activated=1; return true; exception when no_data_found then return false; end; and the user table is : CREATE TABLE "USERS_L" ( "U_ID" NUMBER, "U_NAME" VARCHAR2(20), "U_PASSWORD" VARCHAR2(20), "U_ACTIVATED" NUMBER, PRIMARY KEY ("U_ID") ) if you have any problem in this topic then comment