O'Reilly logo

Oracle® 9i SQL Exam Cram™ 2 (Exam 1Z0-007) by Gavin Powell

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 12. Views, Indexes, Sequences, and Synonyms (DDL)

Terms You Need to Understand

  • ✓ View

  • ✓ Index

  • ✓ Sequence

  • ✓ Public synonym

  • ✓ Private synonym

  • ✓ Virtual column

Concepts You Need to Master

  • ✓ Updatable views

  • ✓ Constraint views

  • ✓ Updating join subquery views

  • ✓ Changing table data using updatable views

  • ✓ The WITH CHECK OPTION for updatable views

  • ✓ Changing views must account for all required (NOT NULL) columns in the underlying table (unless NOT NULL columns have DEFAULT settings)

  • ✓ What virtual columns are and what causes them to be created

  • ✓ Creating, altering, and dropping views

  • ✓ Creating, altering, and dropping indexes

  • ✓ Creating, altering, and dropping sequences

  • ✓ Creating and dropping synonyms

This chapter describes views, indexes, sequences, and synonyms. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required