'%' is for any length of letters : Regular Expressions « String Functions « SQL Server / T-SQL






'%' is for any length of letters


1> CREATE TABLE employee  (emp_no    INTEGER NOT NULL,
2>                         emp_fname CHAR(20) NOT NULL,
3>                         emp_lname CHAR(20) NOT NULL,
4>                         dept_no   CHAR(4) NULL)
5> GO
1>
2> insert into employee values(1,  'Matthew', 'Smith',    'd3')
3> insert into employee values(2,  'Ann',     'Jones',    'd3')
4> insert into employee values(3,  'John',    'Barrimore','d1')
5> insert into employee values(4,  'James',   'James',    'd2')
6> insert into employee values(5,  'Elsa',    'Bertoni',  'd2')
7> insert into employee values(6,  'Elke',    'Hansel',   'd2')
8> insert into employee values(7,  'Sybill',  'Moser',    'd1')
9> GO

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)
1>
2> select * from employee
3> GO
emp_no      emp_fname            emp_lname            dept_no
----------- -------------------- -------------------- -------
          1 Matthew              Smith                d3
          2 Ann                  Jones                d3
          3 John                 Barrimore            d1
          4 James                James                d2
          5 Elsa                 Bertoni              d2
          6 Elke                 Hansel               d2
          7 Sybill               Moser                d1

(7 rows affected)
1>
2>
3> -- LIKE Operator
4>
5> SELECT emp_fname, emp_lname, emp_no FROM employee WHERE emp_lname LIKE 'J%'
6> GO
emp_fname            emp_lname            emp_no
-------------------- -------------------- -----------
Ann                  Jones                          2
James                James                          4

(2 rows affected)
1> drop table employee
2> GO
1>
           
       








Related examples in the same category

1.Begin with a character in the range C through F
2.^ specifies the negation of a range or a list of characters
3.Any of the wildcard characters (%, _ [, ], or ?) enclosed in square brackets stand for themselves
4.'_' is for one letter