Create combined-column index : Create Index « Index « Oracle PL/SQL Tutorial

SQL>
SQL> CREATE TABLE person (
  2       person_code VARCHAR2(3) PRIMARY KEY,
  3       first_name  VARCHAR2(15),
  4       last_name   VARCHAR2(20),
  5       hire_date   DATE
  6       );

Table created.

SQL>
SQL>
SQL>
SQL> CREATE INDEX person_name_index ON person(last_name, first_name);

Index created.

SQL>
SQL> drop index person_name_index;

Index dropped.

SQL>
SQL> drop table person;

Table dropped.

SQL>
SQL>

9.1.Create Index
	9.1.1.	Creating an Index
	9.1.2.	Enforce uniqueness of values in a column using a unique index
	9.1.3.	Create combined-column index
	9.1.4.	Create a composite index on multiple columns
	9.1.5.	Creating a Function-Based Index
	9.1.6.	Create index based on cluster
	9.1.7.	Creates an index on the new added column
	9.1.8.	Create a fully indexed table named myCode
	9.1.9.	indextype is ctxsys.context
	9.1.10.	Create index for upper case last name
	9.1.11.	Create index along with the column definition
	9.1.12.	Create index for combined columns
	9.1.13.	Create unique index and check it in user_ind_columns and user_cons_columns
	9.1.14.	Demonstrate a bitmap join index.
	9.1.15.	create unique index with case ... when statement
	9.1.16.	Create Non-Unique index
	9.1.17.	autotrace ctxsys.context index
	9.1.18.	Create index with tablespace