ROWID伪列
atlasdb=# select rowid from sys_cbp_test2;
rowid
----------------------
sEMAAA==AAAAAA==AQA=
sEMAAA==AAAAAA==AgA=
sEMAAA==AAAAAA==AwA=
sEMAAA==AAAAAA==BAA=
sEMAAA==AAAAAA==BQA=
sEMAAA==AAAAAA==BgA=
sEMAAA==AAAAAA==BwA=
sEMAAA==AAAAAA==CAA=
sEMAAA==AAAAAA==CQA=
sEMAAA==AAAAAA==CgA=
(10 rows)
