Technical Blog

ORA-01555 : snapshot too old : rollback segment number 60 with name  This is because rollback records needed by a reader for consistent rea...

 Do you have any idea how this queries are working  ?  select * from user_details d where exists (select 1/0 from dual x where d.first_na...

create table ir_temp_feeload (s_category varchar2(800),s_cov varchar2(800),v_rate varchar2(10) ) ;  alter table ir_temp_feeload  add constr...

Its high time for Oracle Form Developers to learn Oracle ADF or Oracle Apex if you want to stick in front end development else you can poli...

Normally, one database is serviced by one instance, but in the case of clustering there can be many instances running for a single database...