CREATE UNIQUE INDEX : Create Index « Index « Oracle PL / SQL






  1. Oracle PL / SQL
  2. Index
  3. Create Index

CREATE UNIQUE INDEX

    
SQL>
SQL> CREATE TABLE myTable (
  2     myTableID INT PRIMARY KEY NOT NULL,
  3     Name     VARCHAR(50),
  4     PhoneNo  VARCHAR(15) DEFAULT 'Unknown Phone');

Table created.

SQL>
SQL> CREATE UNIQUE INDEX NameIndex ON myTable (Name);

Index created.

SQL>
SQL> drop table myTable;

Table dropped.








Related examples in the same category

1.To create an index on the LastName column of the Employee table
2.Created an index based on the uppercase evaluation of the employe's first name field
3.Create two indexes for one single table
4.Create an index reverse
5.Function-based Indexes
6.simple index organized table
7.Create an index, and add primary key to use that index
8.Create index along with the column definition
9.Create index for combined columns
10.Create index for upper case last name
11.Create index on cluster
12.Create index with tablespace
13.Create unique index and check it in user_ind_columns and user_cons_columns
14.Demonstrate a bitmap join index.
15.Create a fully indexed table named myCode
16.Create Non-Unique index
17.indextype is ctxsys.context
18.create unique index with case ... when statement