Oracle has specified more than forty objectives for 1Z0-007 (Introduction to Oracle9i: SQL) test, which are covered under thirteen topics. Following are some important areas over which one should have good command before taking the test:
- Executing a basic SELECT statement.
- Limiting the rows retrieved by a query.
- Using character, number, and date functions in SELECT statements.
- Writing SELECT statements to access data from more than one table by using equality and nonequality joins.
- Viewing data that generally does not meet a join condition by using outer joins.
- Using group functions.
- Writing single-row and multiple-row subqueries.
- Producing queries that require a substitution variable.
- Inserting, updating, deleting, and merging rows in a table.
- Creating, dropping, renaming, and truncating tables.
- Creating and maintaining constraints.
- Creating, altering, and dropping views.
- Inserting, updating, and deleting data in base tables through views.
- Performing Top ‘N’ Analysis.
- Creating, maintaining, and using sequences.
- Creating private and public synonyms.
- Creating and maintaining indexes.
- Creating and altering users.
- Creating Roles to ease setup and maintenance of the security model.
- Using the GRANT and REVOKE statements to grant and revoke privileges.
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