Oracle 查询单挑语句运行时间

pl/sql

不考虑网络IO等影响

declare 
guidname varchar2(40):='255fc3db-815a-46c1-9187-ec0256305335';
timespa timestamp:=CURRENT_TIMESTAMP;
begin
EXECUTE IMMEDIATE 'select * from Bex_Img_Info where guid=:a' using in guidname;
DBMS_OUTPUT.put_line(CURRENT_TIMESTAMP - timespa);
end;