12.07.2015 Views

Oracle SQL Developer

Oracle SQL Developer

Oracle SQL Developer

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

6<strong>SQL</strong>: Usage InformationThis topic discusses how to use <strong>SQL</strong> with <strong>Oracle</strong> Database. It includes the followingtopics:■■■■■■Overview of <strong>SQL</strong>Retrieving Data With QueriesManipulating Data With <strong>SQL</strong> StatementsTransaction Control StatementsUsing Pseudocolumns, Sequences, and <strong>SQL</strong> FunctionsUsing <strong>SQL</strong> Data Definition Language StatementsSee Also:■■■<strong>Oracle</strong> Database <strong>SQL</strong> Reference for detailed information about <strong>SQL</strong>statements and other parts of <strong>SQL</strong>, such as operators, functions,and format models.<strong>Oracle</strong> Database Concepts for conceptual information on <strong>SQL</strong>.<strong>SQL</strong>*Plus User's Guide and Reference for information about<strong>SQL</strong>*Plus, <strong>Oracle</strong>'s version of <strong>SQL</strong>.■ <strong>Oracle</strong> Database Sample Schemas for information on the HR sampleschema that is used for examples.6.1 Overview of <strong>SQL</strong>6.1.1 Features of <strong>SQL</strong>Structured Query Language (<strong>SQL</strong>) is a database access, nonprocedural language.Users issue <strong>SQL</strong> statements or commands to perform various tasks, such as retrievingdata, and the <strong>SQL</strong> language compiler automatically handles how to navigate thedatabase and perform the desired task. All database operations are performed using<strong>SQL</strong>.This topic includes the following topics:■ Features of <strong>SQL</strong>■ Types of <strong>SQL</strong> StatementsWith <strong>SQL</strong> statements you can perform the following:■ Query, insert, update, and delete data in tables<strong>SQL</strong>: Usage Information 6-1

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!