How to Count Number of Tables and Views from Oracle and DB2
Several days ago i had a project that made me had to do data migration from DB2 to Oracle.
For validity check, i had to count number of tables and views from DB2 before migrated and number of tables and views on Oracle after ive migrate it.
Okay enough chit-chat, this is my queries.
Count DB2′s number of tables
Select Count(*) from syscat.tables where tabschema = 'YOUR_SCHEMA_NAME' AND type = 'T'
And this is how to count DB2′s View numbers
Select Count(*) from syscat.tables where tabschema = 'YOUR_SCHEMA_NAME' AND type = 'V'
This is how to count number of tables from Oracle
select owner, count(*) from dba_tables where owner = 'YOUR_OWNER_NAME' group by owner
And this is how to count number of views from Oracle
select owner, count(*) from dba_views where owner = 'YOUR_OWNER_NAME' group by owner
Hope it will help others,
cheers 
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