Download Oracle SQL Developer 2.1 : database design and development by Sue Harper PDF

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Learn tips on how to use the easiest layout technique to layout your version, create an import layer, a modeling layer, and a presentation layer to make your version effortless to maintain.
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Additional info for Oracle SQL Developer 2.1 : database design and development using this feature-rich, powerful, user-extensible interface

Example text

You can control this by changing the default Open Object on Single Click behavior. Select Tools | Preferences, in the tree displayed, expand Database, select ObjectViewer and deselect Open Object on Single Click. [ 43 ] Browsing and Editing Database Objects and Data Using the SQL display editor The SQL editor is displayed at the end of the set of shipped display editors and is available for most object types (any editors you create are added after the SQL editor). The SQL editor displays the query required to recreate the object selected.

3. Click on Add. This enables the various drop-down lists available in the dialog and pre-populates the fields. 4. Select the reference schema. Note you do not need to select a table within the current schema. [ 59 ] Browsing and Editing Database Objects and Data 5. Select the Referenced Table and Referenced Constraint from the lists available. 6. Set the associated columns for the Foreign Key. 7. You can deselect Enabled to create the constraint, but leave it disabled initially. Creating column sequences For some tables, users define a surrogate key for the Primary Key.

There is a Check Syntax button to verify the syntax and a Test Query button that executes the SQL to verify the validity. For less complex queries, the syntax is parsed and the various other nodes, except the Quick-pick objects, are populated. In the simple example that we have just seen, once you have tested the SQL, the EMPLOYEES table is parsed out into the FROM clause node. Using the Quick-pick objects The Quick-pick objects node is useful when you are creating a view that joins a number of tables together.

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