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Oracle Tutorials - Create a Table Index

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How To Create a Table Index?

If you have a table with a lots of rows, and you know that one of the columns will be used often a search criteria, you can add an index for that column to in improve the search performance. To add an index, you can use the CREATE INDEX statement as shown in the following script:

  subject VARCHAR(80) NOT NULL,
  description VARCHAR(256) NOT NULL,
  create_date DATE DEFAULT (sysdate));
Table created.
CREATE INDEX tip_subject ON tip(subject);
Index created.

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  1. What Is an Index?
  2. How To Run SQL Statements through the Web Interface?
  3. How To Create a Table Index?
  4. How To List All Indexes in Your Schema?
  5. What Is an Index Associated with a Constraint?
  6. How To Rename an Index?
  7. How To Drop an Index?
  8. Can You Drop an Index Associated with a Unique or Primary Key Constraint?
  9. What Happens to Indexes If You Drop a Table?
  10. How To Recover a Dropped Index?
  11. What Happens to the Indexes If a Table Is Recovered?
  12. How To Rebuild an Index?
  13. How To See the Table Columns Used in an Index?
  14. How To Create a Single Index for Multiple Columns?

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