Top "Oracle" questions

Oracle Database is a Multi-Model Database Management System created by Oracle Corporation.

Displaying the constraints in a table

Hello I am trying to display the constraints in one of my tables but for some reason I get the …

sql oracle constraints sqlplus
Why doesn't Oracle SQL allow us to use column aliases in GROUP BY clauses?

This is a situation I'm generally facing while writing SQL queries. I think that writing the whole column (e.g. …

sql oracle group-by alias
How to determine which version of "Oracle.DataAccess.dll" to include

While deploying my .NET 3.5 Windows form to different environments we ran with lots of invalid provider issues. It works on …

winforms oracle c#-3.0 odp.net
How to download and setup sqlplus for running sql commands?

I am sorry, for bugging you all with a very silly question probably, but I just started learning data base …

oracle sqlplus instantclient
Is it possible to generate django models from the database?

I've been messing around with Django and the Django ORM at home, and I've got to say, I feel it …

database django oracle orm
How to force oracle to do cascade delete without dropping/recreating constraints

I've got a parent table, which has a dozen child tables referencing it. Those child tables in turn have other …

sql oracle cascade
Convert number to date sql oracle

I'm trying to convert a number (yyyymmdd) to date (mm/dd/yyyy) For example 20150302 ====> 03/02/2015

sql oracle date-formatting
Oracle 11g: Unpivot multiple columns and include column name

I'm triyng to unpivot multiple columns in my dataset. Here's what my data look like. CREATE TABLE T5 (idnum NUMBER,…

sql oracle oracle11g unpivot
How to change column varchar to clob in oracle

I have a column details designed as varchar in oracle DB, this DB is being used now for customers and …

sql oracle oracle10g
Is it possible to update data inside a CLOB using SQL?

I have a table having one clob column which has XML data in it. Say I want to replace XYZ …

sql oracle blob clob