Pibd-22_Lyakhov_T.I._Simple/StudentProgressRecord/V1__dll.sql
2024-11-25 18:18:53 +04:00

39 lines
824 B
SQL

CREATE TABLE subject(
id BIGSERIAL PRIMARY KEY,
name VARCHAR(255) NOT NULL,
direction VARCHAR(255) NOT NULL
);
CREATE TABLE teacher(
id BIGSERIAL PRIMARY KEY,
name VARCHAR(255) NOT NULL
);
CREATE TABLE student(
id BIGSERIAL PRIMARY KEY,
name VARCHAR(255) NOT NULL,
familyPos bool NOT NULL,
domitory bool NOT NULL
);
CREATE TABLE studentTransition(
id BIGSERIAL PRIMARY KEY,
studentid BIGINT REFERENCES student (id) NOT NULL,
operation VARCHAR(255) NOT NULL,
date timestamp
);
CREATE TABLE statement(
id BIGSERIAL PRIMARY KEY,
subjectid BIGINT REFERENCES subject (id) NOT NULL,
teacherid BIGINT REFERENCES teacher (id) NOT NULL,
date timestamp
);
CREATE TABLE marks(
statementid BIGINT REFERENCES statement (id) NOT NULL,
studentid BIGINT REFERENCES student (id) NOT NULL,
mark integer NOT NULL
);