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1.Aggregate Functions
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4.Cursor
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8.Engine
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10.Flow Control
11.FullText Search
12.Function
13.Geometric
14.I18N
15.Insert Delete Update
16.Join
17.Key
18.Math
19.Procedure Function
20.Regular Expression
21.Select Clause
22.String
23.Table Index
24.Transaction
25.Trigger
26.User Permission
27.View
28.Where Clause
29.XML
SQL / MySQL » Table Index » Index 
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mysql>
mysql>
mysql> CREATE TABLE EmployeeS(
    ->          EmployeeNO       INTEGER      NOT NULL,
    ->          NAME           CHAR(15)     NOT NULL,
    ->          INITIALS       CHAR(3)      NOT NULL,
    ->          BIRTH_DATE     DATE                 ,
    ->          SEX            CHAR(1)      NOT NULL,
    ->          JOINED         SMALLINT     NOT NULL,
    ->          STREET         VARCHAR(30)  NOT NULL,
    ->          HOUSENO        CHAR(4)              ,
    ->          POSTCODE       CHAR(6)              ,
    ->          TOWN           VARCHAR(30)  NOT NULL,
    ->          PHONENO        CHAR(13)             ,
    ->          LEAGUENO       CHAR(4)              ,
    ->          PRIMARY KEY    (EmployeeNO)           );
Query OK, rows affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (2'Jack', 'R''1948-09-01', 'M'1975'Stoney Road','43', '3575NH', 'Stratford', '070-237893', '2411');
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (6'Link', 'R''1964-06-25', 'M'1977'Street1','80', '1234KK', 'Stratford', '070-476537', '8467');
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (7'Wise', 'GWS', '1963-05-11', 'M'1981'First Way','39', '9758VB', 'Stratford', '070-347689', NULL);
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (8'Mary', 'B''1962-07-08', 'F'1980'Station Road','4', '6584WO', 'Inglewood', '070-458458', '2983');
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (27'Smith', 'DD', '1964-12-28', 'F'1983'Street2','804', '8457DK', 'Eltham', '079-234857', '2513');
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (28'Smith', 'C''1963-06-22', 'F'1983'Old Main Road','10', '1294QK', 'Midhurst', '010-659599', NULL);
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (39'Bishop', 'D''1956-10-29', 'M'1980'Eaton Square','78', '9629CD', 'Stratford', '070-393435', NULL);
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (44'Baker', 'E''1963-01-09', 'M'1980'Lewis Street','23', '4444LJ', 'Inglewood', '070-368753', '1124');
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (57'Brown', 'M''1971-08-17', 'M'1985'First Way','16', '4377CB', 'Stratford', '070-473458', '6409');
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (83'Hope', 'PK', '1956-11-11', 'M'1982'Main Road','16A', '1812UP', 'Stratford', '070-353548', '1608');
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (95'Miller', 'P''1963-05-14', 'M'1972'High Street','33A', '5746OP', 'Douglas', '070-867564', NULL);
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (100'Link', 'P''1963-02-28', 'M'1979'Street1','80', '6494SG', 'Stratford', '070-494593', '6524');
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (104'Jane', 'D''1970-05-10', 'F'1984'Stout Street','65', '9437AO', 'Eltham', '079-987571', '7060');
Query OK, row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (112'Bailey', 'IP', '1963-10-01', 'F'1984'Vixen Road','8', '6392LK', 'Plymouth', '010-548745', '1319');
Query OK, row affected (0.00 sec)

mysql>
mysql>
mysql> ALTER TABLE EmployeeS
    -> ADD   UNIQUE INDEX TEAMS_DIVISION
    ->       USING HASH (TOWN, STREET, BIRTH_DATE);
Query OK, 14 rows affected (0.01 sec)
Records: 14  Duplicates: 0  Warnings: 0

mysql>
mysql> drop table Employees;
Query OK, rows affected (0.00 sec)

mysql>

   
    
    
    
  
Related examples in the same category
1.Creating a Table with an Index
2.Create table: alter table to drop index
3.Create index on a column
4.Create table: Make index
5.Create index on table column with order
6.Create index on one column
7.Create index on two columns
8.Create unique index on table columns
9.Create index using btree
10.Handling Duplicate Index Values
11.Eliminating Duplicates by Adding an Index
12.How to include a unique index in the table definition.
13.How to include a regular index in a table definition:
14.Get the descriptive data of the indexes defined on the PENALTIES table.
15.Creating Indexes (CREATE INDEX)
16.Create an index on the AMOUNT column of the PENALTIES table.
17.Get the names of the indexes defined on the PENALTIES table.
18.Defining Indexes at Table-Creation Time
19.The syntax for CREATE INDEX is as follows
20.Removing Duplicates by Adding an Index
21.Removing Indexes
22.Create index of decimal type column
23.Create view for indexes
24.Drop an index by name
25.Add index to int type column
26.To create a unique-valued index, use the UNIQUE keyword instead of INDEX.
27.PRIMARY KEY INDEX_PRIM
28.Create an index and check it
29.Adding or Dropping Indexes
30.There are four types of statements for adding indexes to a table:
31.Show index for a table
32.Using index in order by clause to indecate the result from subquery
33.Create a table with a nonunique index on the date-valued column Inauguration
34.To include multiple columns in an index
35.Provide index definitions in addition to the column definitions.
36.Modifying Indexes of Existing Tables
37.A table can have multiple indexes.
38.Create a single-column index on c, and the second creates a multiple-column index that includes both c and i
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