Create index for upper case last name

    
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 upper_emp_idx on emp upper(lastname);

Index created.

SQL>
SQL>
SQL> drop table emp;

Table dropped.

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Create index for upper case last name : Create Index « Index « Oracle PL / SQL

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