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Categories / Oracle PLSQL / Index

 

Create index for combined columns

SQL> SQL> create table emp(   2           emp_id            integer         primary key   3          ,lastname               varchar2(20)    not null   4          ,firstname              varchar2(15)    not null   5          ,midinit                varchar2(1)   6          ,street                 varchar2(30)   7          ,city                   varchar2(20)   8          ,state                  varchar2(2)   9          ,zip                    varchar2(5)  10          ,shortZipCode           varchar2(4)  11          ,area_code              varchar2(3)  12          ,phone                  varchar2(8)  13          ,company_name           varchar2(50)); Table created. SQL> SQL> create index fullname on emp(lastname, firstname); Index created. SQL> SQL> SQL> drop table emp; Table dropped. SQL> SQL>