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2 The PEM Query Tool

PEM contains a feature-rich Interactive Development Environment (IDE) that allows you to issue ad-hoc SQL queries against Postgres servers. To open the Query Tool SQL IDE from within PEM, simply highlight the name of the database you want to query in the tree control, and select Query tool from the Tools menu.
The Query Tool dialog provides an interface that allows you to manually enter SQL queries, graphically execute and interpret SQL statements, EXPLAIN queries and much more (see Figure 2.0).
The upper panel of the Query Tool contains the SQL Editor. You can use the panel to manually enter a query, or read the query from a file. If you are manually entering a SQL query, the edit entry window also contains autocompletion code and formatting features that help you write queries.

After executing a query, you can view the result set or an EXPLAIN plan in the lower panel of the Query Tool (see Figure 2.1). As with all PEM features, detailed online help text is available with the click of a button.

2 The PEM Query Tool

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