Script for dropping all the tables

Question

Hello:
Can somebody share with me a script that will delete all the tables in a schema?
Thanks.

Answer 1

I think what Justin was getting at is this: we cannot drop tables that are referenced by foreign keys. So before we can drop all tables weed to drop all referencing constraints. Which makes this script even more dangerous - you may wish to abort if other schemas reference the "droppee".
Let's be careful out there!
Cheers, APC
declare
    cursor fks is
        select owner,table_name, constraint_name
        from all_constraints
        where r_owner='&&schema_to_delete'
        and constraint_type = 'R';
    cursor tables is
        select owner,table_name
        from all_tables
        where owner='&&schema_to_delete';
    begin
        for b in fks
        loop
            dbms_output.put_line( 'drop fk constraint '||b.owner||'.'||b.table_name||'.'||b.constraint_name);
            execute immediate 'alter table '||b.owner||'.'||b.table_name||' drop constraint '||b.constraint_name;
        end loop;
        for c in tables
        loop
            dbms_output.put_line( 'drop table '||c.owner||'.'||c.table_name);
            execute immediate 'drop table '||c.owner||'.'||c.table_name;
    end loop;
end;
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