How to find rowcount of all schema all tables

Hi All,
Can someone let me know the rowcount of all the tables in all the schemas in Oracle Database.
Thanks
Maverick

Maverick wrote:
Hi All,
Can someone let me know the rowcount of all the tables in all the schemas in Oracle Database.
Thanks
MaverickWith the limited information you provided, I will have two suggestions:
+1. Using DBA_TABLES+
You can gather the Database statistics using DBMS_STATS.GATHER_DATABASE_STATS; And then simply Query DBA_TABLES to sum the NUM_ROWS column grouping on OWNER column. This will yeild you the rowcounts of each of schemas.
+2. Count Rows by Query+
You can gather the Table rowcount, without using DBMS_STATS, using the below script:
select table_name,
   to_number(extractvalue(xmltype(dbms_xmlgen.getxml('select count(*) X from '||table_name))
              ,'/ROWSET/ROW/X')) count
    from dba_tables
where owner = 'owner'You will have to modify the script to meet your requirements; i.e. use the Table name and Owner from a Loop and to form a dynamic SQL. This will ascertain that you will get the latest row counts. But you will have to wait for a long time if the number of tables and the records in each tables are huge. I would rather suggest to have a quick snack meanwhile. ;)
But yes, It still comes down to the same question that others have asked "What are you planning to do with the Row count?". Are you comparing the schemas with the row count? If yes, then it is a wrong metric for comparison.

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-- 1
declare
type udt_roles is table of varchar2(30) index by pls_integer;
cRoles udt_roles;
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 constraint root1_id_pk primary key(root1_id)
 enable);
grant all on philips.root1 to philips;
create or replace trigger philips.tgr_root1
 before delete or insert or update on philips.root1
 begin
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 enable);
grant all on philips.root2 to philips;
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 constraint node1_id_pk primary key(node1_id)
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 constraint n1_r1_id_fk foreign key(root1_id)
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 constraint n1_n2_id_fk foreign key(node2_id)
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 constraint n1_n4_id_fk foreign key(node4_id)
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create or replace trigger philips.tgr_node1
 before delete or insert or update on philips.node1
 begin
 null;
 end;
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 constraint node2_id_pk primary key(node2_id)
 enable,
 constraint n2_r1_id_fk foreign key(root1_id)
 references philips.root1(root1_id) enable,
 constraint n2_n3_id_fk foreign key(node3_id)
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create or replace trigger philips.tgr_node2
 before delete or insert or update on philips.node2
 begin
 null;
 end;
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 root2_id number,
 constraint node3_id_pk primary key(node3_id)
 enable,
 constraint n3_r2_id_fk foreign key(root2_id)
 references philips.root2(root2_id) enable);
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 begin
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 end;
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 constraint node4_id_pk primary key(node4_id)
 enable,
 constraint n4_n2_id_fk foreign key(node2_id)
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grant all on philips.node4 to philips;
create or replace trigger philips.tgr_node4
 before delete or insert or update on philips.node4
 begin
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create table philips.node5(node5_id number,
 constraint node5_id_pk primary key(node5_id)
 enable);
grant all on philips.node5 to philips;
create or replace trigger philips.tgr_node5
 before delete or insert or update on philips.node5
 begin
 null;
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create table philips.dictionary(table_name varchar2(30));
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insert into philips.dictionary values ('ROOT2');
insert into philips.dictionary values ('NODE1');
insert into philips.dictionary values ('NODE2');
insert into philips.dictionary values ('NODE3');
insert into philips.dictionary values ('NODE4');
insert into philips.dictionary values ('NODE5');
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 aExportReferencesPhilips utl_file.file_type := null; -- file to write DDL of references
 aExportIndexesPhilips utl_file.file_type := null; -- file to write DDL of indexes
 aExportGrantsPhilips utl_file.file_type := null; -- file to write DDL of grants
 aExportTriggersPhilips utl_file.file_type := null; -- file to write DDL of triggers
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 aExportTablesPhilips := utl_file.fopen(sDirectory, 'DDLTablesPhilips.pdc', 'w', 32767);
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 from all_tables t, philips.dictionary d
 where owner = 'PHILIPS'
 and t.table_name = d.table_name;
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 sp_seeks_ddl(aExportTablesPhilips,
 aExportReferencesPhilips,
 aExportIndexesPhilips,
 aExportGrantsPhilips,
 aExportTriggersPhilips,
 cTables);
 -- closes all files
 utl_file.fclose_all;
end sp_select_tables;
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 aExportReferencesPhilips in utl_file.file_type,
 aExportIndexesPhilips in utl_file.file_type,
 aExportGrantsPhilips in utl_file.file_type,
 aExportTriggersPhilips in utl_file.file_type,
 cTables in out nocopy udt_tables) is
 cDDL clob := null; -- colletion to save DDL
 plIndex pls_integer := null;
 sTableName varchar(30) := null;
begin
 for i in cTables.first .. cTables.count loop
 plIndex := i;
 sTableName := cTables(plIndex);
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 * for the selected table in the collection, and writes to file.*
 begin
 cDDL := dbms_metadata.get_ddl('TABLE', sTableName, 'PHILIPS');
 sp_writes_ddl(aExportTablesPHILIPS, cDDL);
 exception
 when dbms_metadata.object_not_found then
 null;
 end;
 begin
 cDDL := dbms_metadata.get_dependent_ddl('REF_CONSTRAINT', sTableName, 'PHILIPS');
 sp_writes_ddl(aExportReferencesPhilips, cDDL);
 exception
 when dbms_metadata.object_not_found2 then
 null;
 end;
 begin
 cDDL := dbms_metadata.get_dependent_ddl('INDEX', sTableName, 'PHILIPS');
 sp_writes_ddl(aExportIndexesPhilips, cDDL);
 exception
 when dbms_metadata.object_not_found2 then
 null;
 end;
 begin
 cDDL := dbms_metadata.get_dependent_ddl('OBJECT_GRANT', sTableName, 'PHILIPS');
 sp_writes_ddl(aExportGrantsPhilips, cDDL);
 exception
 when dbms_metadata.object_not_found2 then
 null;
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 begin
 cDDL := dbms_metadata.get_dependent_ddl('TRIGGER', sTableName, 'PHILIPS');
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 exception
 when dbms_metadata.object_not_found2 then
 null;
 end;
 end loop;
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 pLengthDDL pls_integer := length(cDDL);
 plQuotient pls_integer := null;
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