A clear delegation of work exists between the HTML and PL/SQL in your company's Web pages: PL/SQL code fetches and manipulates data from SQL databases, and HTML code formats the results of PL/SQL ...
A general rule of thumb for tuning database applications is "80 percent application, 20 percent database." This means that, on average, developers can tune 20 percent of performance problems by ...
Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...
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