Table Names & Record's Count

Question

hi all,
i need the all the table names and their records count of a schema as output in a single SQL Query.
Is it possible ... ?
o/p should be like:
TABLE_NAME CNT
AMS_ACCOUNT 100
AMS_USER_DETAILS 200
thank's in advance.
Regards,
sri ram.

Answer 1

SQL> CREATE TYPE TabRowsType AS OBJECT (
table_name varchar2(100),
num_rows number
2 3 4 5
Type created.
SQL> CREATE TYPE TabRowsTab IS TABLE OF TabRowsType
2
Type created.
SQL> CREATE OR REPLACE FUNCTION CountRows
2 (p_table_name varchar2 default 'ALL',p_owner varchar2 default user)
3 RETURN TabRowsTab PIPELINED AS
4 CURSOR c1 is select owner,table_name from dba_tables where owner=p_owner and (table_name=p_table_name or p_table_name='ALL');
5 rec c1%rowtype;
6 v_cnt number:=0;
7 BEGIN
8 open c1;
9
10 loop
11 fetch c1 into rec;
12 v_cnt:=-1;
13 execute immediate 'select count(*) from '||rec.owner||'.'||rec.table_name into v_cnt;
14 exit when c1%notfound;
15 PIPE ROW(TabRowsType(rec.table_name,v_cnt));
16 END LOOP;
17
18 RETURN;
19 END;
20 /
Function created.
SQL> select * from table(CountRows);
TABLE_NAME NUM_ROWS
A 568
B 568
EMP 16
PS_FAS_PRODUCTTEMP 7407896
TEST 672173
TEST1 672173
TEST3 672173
7 rows selected.