oracle入门-%的用法 Read More
posted @ 2014-11-26 17:29 银杏叶儿 Views(881) Comments(0) Diggs(0) Edit
DECLARE sname VARCHAR2(20);BEGIN sname:='xxx'; sname:=sname||' and tom'; dbms_output.put_line(sname);END;或者DECLARE sname VARCHAR2(20) :='jerry';BEGIN ... Read More
posted @ 2014-11-26 16:48 银杏叶儿 Views(2574) Comments(0) Diggs(0) Edit