Top "Rdms" questions

Relational Database Management System (sometimes RDBMS) refers to database systems that store data with a relational model.

How to retrieve all recursive children of parent row in Oracle SQL?

I've got a recursive query that's really stretching the limits of this Java monkey's SQL knowledge. Now that it's finally 1:30 …

Read More
sql oracle recursion rdms
Postgres update with an inner join across 2 tables?

I have 3 tables in my local Postgres database: [myschema].[animals] -------------------- animal_id animal_attrib_type_id (foreign key to […

Read More
sql postgresql sql-update inner-join rdms
Oracle Database installation error: environment path

While attempting to install Oracle Database 11g Release 2 on Windows 7 (64 bit). Encountered following the error (PRVF-3929) It states that the …

Read More
oracle11g installation environment-variables rdms system-variable
Does the foreign keys automatically get updated as primary table is updated?

Above is my simple database design, just wanted to gain information about how things happen as I'm really new at …

Read More
sql-server database foreign-keys primary-key rdms
What exactly is a wide column store?

Googling for a definition either returns results for a column oriented DB or gives very vague definitions. My understanding is …

Read More
rdms wide-column-store
SQL one to one relationship vs. single table

Consider a data structure such as the below where the user has a small number of fixed settings. User [Id] …

Read More
sql database-design rdms