* As of now We Created some database tables in Oracle Database in those tables contains some duplicate records and some columns also contains null values this will leads to in accurate data. * In the ...

* Unique Constraint >>>> It will not allow the duplicate values and it will allow only one null value. >>>> We can apply this constraint Columns level & Table level >>>> We can add the unique ...

When I am working with an Oracle database, I still find myself using SQL*Plus for many quick and dirty database queries. In particular, I often look up constraints in SQL*Plus. In this post, I ...

DBDetective for Oracle is a metadata mining tool for detecting and correcting possible violations of some crucial database (db) design, implementation, usage, and optimization best practice rules ...