SQL*Plus
If you created a database in the Linux environment, you have already used SQL*Plus. With Windows versions before Oracle Database 11g, SQL*Plus was a simple graphical interface for entering SQL statements. With 11g, running SQL*Plus opens a command-line window for executing queries. Figure 5-4 shows the new and previous versions.
FIGURE 5-4. SQL*Plus in Oracle Database 11g (left) and 10g (right)
You may be thinking, “Oh no—not command line! How can I go from a nice graphical interface to using a command-line tool?” It is not as bad as you might think.
SQL*Plus is handy for queries, such as a quick check or count, and also to incorporate ...
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