CREATE TABLE t1 (
t1_id BIGINT NOT NULL,
a_name VARCHAR(64) NOT NULL,
a_text TEXT NOT NULL,
a_int INTEGER NOT NULL,
created DATETIME NOT NULL,
PRIMARY KEY (t1_id),
UNIQUE (a_name, a_text)
);
CREATE TABLE t3 (
t3_name VARCHAR(4) NOT NULL,
PRIMARY KEY (t3_name)
);
CREATE TABLE t2 (
t2_id BIGINT NOT NULL,
t1_id BIGINT NOT NULL,
a_float FLOAT NOT NULL,
a_double FLOAT,
a_bigint BIGINT NOT NULL,
PRIMARY KEY (t2_id),
FOREIGN KEY(t1_id) REFERENCES t1 (t1_id)
);
CREATE TABLE t4 (
t3_name VARCHAR(4) NOT NULL,
t4_pk2 VARCHAR(4) NOT NULL,
PRIMARY KEY (t3_name, t4_pk2),
FOREIGN KEY(t3_name) REFERENCES t3 (t3_name)
);
CREATE TABLE t5 (
t3_name VARCHAR(4) NOT NULL,
t4_pk2 VARCHAR(4) NOT NULL,
PRIMARY KEY (t3_name, t4_pk2),
FOREIGN KEY(t3_name, t4_pk2) REFERENCES t4 (t3_name, t4_pk2)
);
CREATE INDEX idx_t2_1 ON t2 (t1_id, t2_id);
CREATE INDEX ix_t1_created ON t1 (created);
CREATE INDEX ix_t2_t1_id ON t2 (t1_id);
CREATE UNIQUE INDEX ix_t2_a_bigint ON t2 (a_bigint);
