I have a database model with a user table and role table. I want to control the access (rights) to up to 10 different elements. The access can be granted to either a role or a single user. Below is ...
I have a few dozen tables, that have data in them, both for the core set of data, and then the company specific data. I can never delete the core set of data, that is global for all companies. But i ...
Every administrators, developers have their own collection of scripts (some patterns). Time to time they are dismissed from one job and they are employed to other one. Is there any good, easy used, ...
RAID (Redundant Arrays of Inexpensive Disks) comes with different configurations (RAID-0, RAID-1...). What is the recommended RAID configuration that I should set up and use when installing an Oracle ...
I want to setup replication system on postgresql like #1 MASTER SERVER and two replicated servers: #2 SERVER in realtime (for load balancing), #3 SERVER delayed with some time offset (for example 2 ...
We are about to set up SQL Servers in different countries. We need to link them, but we don't have to have a direct link (as in linked server). In other words, they can be loosely coupled. Is it ...
When I want a column to have distinct values, I can either use a constraint create table t1( id int primary key, code varchar(10) unique NULL ); go or I can use a unique index create table t2( id ...