/* Given the following database schema: */
CREATE TABLE bool
(
    "name" TEXT default '' not null
        primary key
)

CREATE TABLE person
(
    "name" TEXT default '' not null
        primary key
)

CREATE TABLE disabled
(
    "name" TEXT default '' not null
        primary key,
        foreign key ("name") references person ("name")
            on update cascade on delete cascade
)

CREATE TABLE enlist
(
    "name"  TEXT not null,
    organ TEXT not null,
        foreign key ("name") references person ("name")
            on update cascade on delete cascade
)

CREATE TABLE filed_for_bankrupcy
(
    "name" TEXT default '' not null
        primary key,
        foreign key ("name") references person ("name")
            on update cascade on delete cascade
)

CREATE TABLE longest_absense_from_school
(
    "name"  TEXT default '' not null
        primary key,
    "month" INTEGER       default 0  null,
        foreign key ("name") references person ("name")
            on update cascade on delete cascade
)

CREATE TABLE male
(
    "name" TEXT default '' not null
        primary key,
        foreign key ("name") references person ("name")
            on update cascade on delete cascade
)

CREATE TABLE no_payment_due
(
    "name" TEXT default '' not null
        primary key,
    bool TEXT             null,
        foreign key ("name") references person ("name")
            on update cascade on delete cascade,
        foreign key (bool) references bool ("name")
            on update cascade on delete cascade
)

CREATE TABLE unemployed
(
    "name" TEXT default '' not null
        primary key,
        foreign key ("name") references person ("name")
            on update cascade on delete cascade
)

CREATE TABLE `enrolled` (
  `name` TEXT NOT NULL,
  `school` TEXT NOT NULL,
  `month` INTEGER NOT NULL DEFAULT 0,
  PRIMARY KEY (`name`,`school`),
  FOREIGN KEY (`name`) REFERENCES `person` (`name`) ON DELETE CASCADE ON UPDATE CASCADE
)

/* Answer the following: What is the percentage difference between the attendence of disabled and non-disable students? Do the disable students show better attendance than non-disable students? difference = MULTIPLY(DIVIDE(SUBTRACT(COUNT(longest_absense_from_school.name that is in disabled.name), COUNT(longest _absense_from_school.name that is NOT in disabled.name), longest _absense_from_school.name), 100)); IF COUNT(longest_absense_from_school.name that is in disabled.name) < COUNT(longest _absense_from_school.name that is NOT in disabled.name), it means, the disabled students have better attendance than non-disabled students; IF COUNT(longest_absense_from_school.name that is in disabled.name) > COUNT(longest _absense_from_school.name that is NOT in disabled.name), it means the disabled students do not have a better attendance than non-disabled students; */
SELECT 
SELECT CAST((SUM(IIF(T2.name IS NOT NULL AND T1.month = 0, 1, 0)) - SUM(IIF(T2.name IS NULL AND T1.month = 0, 1, 0))) AS REAL) * 100 / COUNT(T1.name), IIF(SUM(IIF(T2.name IS NOT NULL AND T1.month = 0, 1, 0)) - SUM(IIF(T2.name IS NULL AND T1.month = 0, 1, 0)) > 0, 'YES', 'NO') AS isHigh FROM longest_absense_from_school AS T1 LEFT JOIN disabled AS T2 ON T2.name = T1.name