Oracle stored procedures, SQL statement execution time

Create or Replace procedure Sum_info is I integer;temp1 varchar2 (100) temp2 varchar2 T1 DATE;T2 ); v_sqm varchar2 (+); U_name t_temp.u_name%type;t_name t_temp.t_name%type;c_name t_temp.c_name%type;cursor tb_list Is select U_name,t_name,c_name from T_temp;beginopen tb_list; Loopt1:=sysdate;fetch tb_list into u_name,t_name,c_name;v_sql:= ' select min (' | | c_name| | ') From ' | | u_name| | '. ' | | t_name;v_sqm:= ' select Max (' | | c_name| | ') From ' | | u_name| | '. ' | | T_name;--dbms_output.put_line (V_sql); Execute immediate v_sql into Temp1;execute immediate v_sqm into temp2;t2:=sysdate ; I=round (To_number (T2-T1) *24*60*60); insert into T_ret values (u_name,t_name,c_name,temp1,temp2,i); Commit;exit when Tb_list%notfound;end Loop;close Tb_list;end;

　　

Oracle stored procedure deferred execution Dbms_lock. SLEEP (60);

Oracle stored procedures, SQL statement execution time