Query to display all records count of all tables in a schema

Hi,
I need to count all the records of all my tables in a certain schema and display the max amount of the record count. Do you have a script for this one??

SQL> create function countrec(in_tab in varchar2) return number is
2 retval number;
3 begin
4    execute immediate 'select count(*) from '||in_tab into retval;
5    return retval;
6 end;
7 /
Function created.
SQL> select table_name, countrec(table_name)
2 from tabs;
TABLE_NAME                     COUNTREC(TABLE_NAME)
QUERY_TOOL_DATA_COLLECTION                        5
TEST01                                            0
T1                                               14
EMP                                              14
SALGRADE                                          5
FILES                                             0
PROVA                                             0
TEST                                              0
T_MASTER                                          1
T_CHILD                                           3
TAB_ONE                                          30
TAB_TWO                                          10
A                                                 3
B                                                 4
C                                                 3
D                                                 3
BONUS                                             0
DEPT                                              4
18 rows selected.Max

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cnk_gr's query should work for you.
One change that I would make is to use UNION ALL, not UNION. UNION eliminates duplicate rows, which means SQL has to do additional work (sort the result and then check for duplicates).
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Message was edited by:
LEE1212

I have more than 500 tables in my database.
'insert_date' & update_date column is found in more
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user11359516 wrote:
i want display table infomation in a datagrid
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Hi...
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If you need , send me your email...
Atte
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Hi,
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http://myracle.wordpress.com

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user8105261 wrote:
Hi all,
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Query to display all records count of all tables in a schema

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