Data Processing Ppt 72608 | Relationalalgebra

200x Filetype PPT File size 0.34 MB Source: www.ceng.metu.edu.tr

File: Data Processing Ppt 72608 | Relationalalgebra

relational query languages query languages allow manipulation and retrieval of data from a database relational model supports simple powerful query languages strong formal foundation based on logic allows for much ...

Filetype Power Point PPT | Posted on 31 Aug 2022 | 3 years ago

Download

Partial capture of text on file.

The words contained in this file might help you see if this file matches what you are looking for:

...Relational query languages allow manipulation and retrieval of data from a database model supports simple powerful strong formal foundation based on logic allows for much optimization programming qls not expected to be turing complete intended used complex calculations support easy efficient access large sets two mathematical form the basis real e g sql implementation algebra more operational very useful representing execution plans calculus lets users describe what they want rather than how compute it non declarative understanding is key processing preliminaries applied relation instances result also instance schemas input relations are fixed schema given determined by definition language constructs positional vs named field notation easier definitions readable both in r sid bid day example sailors reserves our examples sname rating age we ll use or s dustin assume that names lubber fields results rusty inherited yuppy guppy basic operations selection selects subset rows projection de...

no reviews yet
Please Login to review.

Category: Uncategorized / Uncategorized
Posted on: 31 Aug 2022 | 3 years ago
Tag: download ppt, relationalalgebra,
Filetype: PPT
File size: 0.34 MB
Views: 200x
Link recommended: filekonstruksi.com

Uploaded by: Andy yahya

Andy yahya

Related files

Share

Help

Related files

Share

Share to social media

Andy yahya

Help

Login Area