标签：使用 output stat 1.5 upper hid exec replace etc
1 create or replace function count_rows(table_name in varchar2, 2 owner in varchar2 default null) 3 return number 4 authid current_user 5 IS 6 num_rows number; 7 stmt varchar2(2000); 8 begin 9 if owner is null then 10 stmt := ‘select count(*) from "‘||table_name||‘"‘; 11 else 12 stmt := ‘select count(*) from "‘||owner||‘"."‘||table_name||‘"‘; 13 end if; 14 execute immediate stmt into num_rows; 15 return num_rows; 16 end;
select table_name, count_rows(table_name) nrows from user_tables
获取要统计的值
1 select t.table_name,t.num_rows from user_tables t
1 declare 2 v_tName varchar(50); 3 v_sqlanalyze varchar(500); 4 v_num number; 5 v_sql varchar(500); 6 cursor c1 7 is 8 select table_name from user_tables; 9 begin 10 open c1; 11 loop 12 fetch c1 into v_tName; 13 if c1%found then 14 v_sqlanalyze :=‘analyze table ‘||v_tName||‘ estimate statistics‘; 15 execute immediate v_sqlanalyze; 16 v_sql := ‘select NUM_ROWS from user_tables where table_name =upper(‘‘‘||v_tName||‘‘‘)‘; 17 execute immediate v_sql into v_num; 18 dbms_output.put_line(‘表名： ‘||v_tName||‘ 行数： ‘||v_num); 19 else 20 exit; 21 end if; 22 end loop; 23 end;
标签：使用 output stat 1.5 upper hid exec replace etc
原文地址：http://www.cnblogs.com/hjava/p/6836123.html
