Showing posts with label sql server oracle. Show all posts
Showing posts with label sql server oracle. Show all posts

Thursday, March 3, 2016

what do you think happens with appended spaces in sql

select len('dfdf       ')

select len('       dfdf')

in oracle too!


select * from
(

select 'sdff   ' a  from dual
)  main

where main.a ='sdff'

Monday, March 5, 2012

Dirty reads in SQL Server

it's important to understand that sql server reads the new uncommited value - not the original value like in Oracle.

Sunday, January 8, 2012

bitmap indices

sql server does not have this functionality- point for oracle