studentdb=> create table ADVISOR
studentdb-> (
studentdb(> STU_ID varchar(5) not null,
studentdb(> ID varchar(5),
studentdb(> primary key (STU_ID)
studentdb(> );

错误信息：
ERROR: Lock wait timeout: thread 140197302351616 on node dn_6001 waiting for ShareLock on transaction 7766 after 1200000.600 ms
DETAIL: blocked by hold lock thread 140197328570112, statement <select * from advisor;>, hold lockmode ExclusiveLock.
studentdb=>