CREATE TABLE XPROJECT
(XPROJECT_ID BIGINT NOT NULL,
TIME INTEGER ,
DIFFICULTY INTEGER ,
PRJNAME VARCHAR(64) NOT NULL,
STOREENT_ID INTEGER NOT NULL,
OPTCOUNTER SMALLINT,
CONSTRAINT P_XPROJECT PRIMARY KEY (XPROJECT_ID),
CONSTRAINT F_XPROJECT FOREIGN KEY (STOREENT_ID) REFERENCES STOREENT(STOREENT_ID) ON DELETE CASCADE,
CONSTRAINT I_XPROJECT UNIQUE (PRJNAME)
);
