SQL Server/T-SQL/String Functions/UPPER

Combine Lower() Upper() and substring() function to capital the first letter in a word

1>
2> -- LOWER() and UPPER() Functions
3> DECLARE @LastName VarChar(25), @SpaceIndex TinyInt
4> SET @LastName = "mc donald"
5>
6> -- Find space in name:
7> SET @SpaceIndex = CHARINDEX(" ", @LastName)
8> IF @SpaceIndex > 0                       -- Space: Capitalize first & substring
9>       SELECT UPPER(LEFT(@LastName, 1))
10>     + LOWER(SUBSTRING(@LastName, 2, @SpaceIndex - 1))
11>     + UPPER(SUBSTRING(@LastName, @SpaceIndex + 1, 1))
12>     + LOWER(SUBSTRING(@LastName, @SpaceIndex + 2, LEN(@LastName)))
13> ELSE                                     -- No space: Cap only first char.
14>       SELECT UPPER(LEFT(@LastName, 1))
15>     + LOWER(SUBSTRING(@LastName, 2, LEN(@LastName)))
16>
17> GO
----------------------------------------------------
Mc Donald
(1 rows affected)
1>

UPPER: change string to upper case

1> create table employee(
2>     ID          int,
3>     name        nvarchar (10),
4>     salary      int,
5>     start_date  datetime,
6>     city        nvarchar (10),
7>     region      char (1))
8> GO
1>
2> insert into employee (ID, name,    salary, start_date, city,       region)
3>               values (1,  "Jason", 40420,  "02/01/94", "New York", "W")
4> GO
(1 rows affected)
1> insert into employee (ID, name,    salary, start_date, city,       region)
2>               values (2,  "Robert",14420,  "01/02/95", "Vancouver","N")
3> GO
(1 rows affected)
1> insert into employee (ID, name,    salary, start_date, city,       region)
2>               values (3,  "Celia", 24020,  "12/03/96", "Toronto",  "W")
3> GO
(1 rows affected)
1> insert into employee (ID, name,    salary, start_date, city,       region)
2>               values (4,  "Linda", 40620,  "11/04/97", "New York", "N")
3> GO
(1 rows affected)
1> insert into employee (ID, name,    salary, start_date, city,       region)
2>               values (5,  "David", 80026,  "10/05/98", "Vancouver","W")
3> GO
(1 rows affected)
1> insert into employee (ID, name,    salary, start_date, city,       region)
2>               values (6,  "James", 70060,  "09/06/99", "Toronto",  "N")
3> GO
(1 rows affected)
1> insert into employee (ID, name,    salary, start_date, city,       region)
2>               values (7,  "Alison",90620,  "08/07/00", "New York", "W")
3> GO
(1 rows affected)
1> insert into employee (ID, name,    salary, start_date, city,       region)
2>               values (8,  "Chris", 26020,  "07/08/01", "Vancouver","N")
3> GO
(1 rows affected)
1> insert into employee (ID, name,    salary, start_date, city,       region)
2>               values (9,  "Mary",  60020,  "06/09/02", "Toronto",  "W")
3> GO
(1 rows affected)
1>
2> select * from employee
3> GO
ID          name       salary      start_date              city       region
----------- ---------- ----------- ----------------------- ---------- ------
          1 Jason            40420 1994-02-01 00:00:00.000 New York   W
          2 Robert           14420 1995-01-02 00:00:00.000 Vancouver  N
          3 Celia            24020 1996-12-03 00:00:00.000 Toronto    W
          4 Linda            40620 1997-11-04 00:00:00.000 New York   N
          5 David            80026 1998-10-05 00:00:00.000 Vancouver  W
          6 James            70060 1999-09-06 00:00:00.000 Toronto    N
          7 Alison           90620 2000-08-07 00:00:00.000 New York   W
          8 Chris            26020 2001-07-08 00:00:00.000 Vancouver  N
          9 Mary             60020 2002-06-09 00:00:00.000 Toronto    W
(9 rows affected)
1>
2>
3> SELECT RTRIM(Name) + " " + RTRIM(City) As Employee_Name_City
4> FROM Employee
5> WHERE UPPER(Name) LIKE "%Y"
6> GO
Employee_Name_City
---------------------
Mary Toronto
(1 rows affected)
1>
2> drop table employee
3> GO
1>

UPPER: Translates all characters within the string to upper case

1> -- UPPER: Translates all characters within the string to upper case.
2>
3> DECLARE @UPPER_STRING char(100)
4> SET @UPPER_STRING = "www.sqle.ru"
5>
6> SELECT UPPER(@UPPER_STRING)
7> GO
-------------------------------------------------------------------------
WWW.sqle.ru
(1 rows affected)
1>