November 2009
Intermediate to advanced
796 pages
16h 57m
English
Content preview from OCA Oracle Database SQL Certified Expert Exam Guide (Exam 1Z0-047)Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Glossary
1GL First-generation language. The ones and zeros that computers use to communicate. Binary language.
2GL Second-generation language. Assembler language.
3GL Third-generation language. A general category of computer programming languages that tend to support structured or object-oriented programming in a manner that is closer to the spoken word than 2GLs. Common 3GLs: Java, C, FORTRAN, PHP, Perl.
4GL Fourth-generation language. Closer to the spoken word than 3GLs. The most well-known and widely used 4GL is SQL.
administrator See database administrator.
aggregate A single value representing any number of other values.
alias An alternative name for something. Example: “Joe” is an alias for “Joseph”.
alphabetic Describes the letters of ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.