Comparar só a data em campo DateTime (SQL Server)

Para comparar somente a data em um campo onde está salvo data e hora, é preciso primeiro converter a data para o formato desejado.

Ex.:

SQL Server

SELECT     campodatahora
FROM        tabela
WHERE CONVERT(nvarchar(10), campodatahora, 103) = '22/02/2006';

O 103 indica que deve ser retornado o formato dd/MM/yyyy

A tabela abaixo mostra outros códigos que podem ser utilizados com o comando CONVERT.

Supondo CURRENT_TIMESTAMP retornando o dia 22 de fevereiro de 2006 as 16 horas 26 minutos e 8 segundos.

0	Feb 22 2006 4:26PM	CONVERT(CHAR(19), CURRENT_TIMESTAMP, 0)
1	02/22/06	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 1)
2	06.02.22	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 2)
3	22/02/06	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 3)
4	22.02.06	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 4)
5	22-02-06	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 5)
6	22 Feb 06	CONVERT(CHAR(9), CURRENT_TIMESTAMP, 6)
7	Feb 22, 06	CONVERT(CHAR(10), CURRENT_TIMESTAMP, 7)
8	16:26:08	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 8 )
9	Feb 22 2006 4:26:08:020PM	CONVERT(CHAR(26), CURRENT_TIMESTAMP, 9)
10	02-22-06	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 10)
11	06/02/22	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 11)
12	060222	CONVERT(CHAR(6), CURRENT_TIMESTAMP, 12)
13	22 Feb 2006 16:26:08:020	CONVERT(CHAR(24), CURRENT_TIMESTAMP, 13)
14	16:26:08:037	CONVERT(CHAR(12), CURRENT_TIMESTAMP, 14)
20	2006-02-22 16:26:08	CONVERT(CHAR(19), CURRENT_TIMESTAMP, 20)
21	2006-02-22 16:26:08.037	CONVERT(CHAR(23), CURRENT_TIMESTAMP, 21)
22	02/22/06 4:26:08 PM	CONVERT(CHAR(20), CURRENT_TIMESTAMP, 22)
23	2006-02-22	CONVERT(CHAR(10), CURRENT_TIMESTAMP, 23)
24	16:26:08	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 24)
25	2006-02-22 16:26:08.037	CONVERT(CHAR(23), CURRENT_TIMESTAMP, 25)
100	Feb 22 2006 4:26PM	CONVERT(CHAR(19), CURRENT_TIMESTAMP, 100)
101	02/22/2006	CONVERT(CHAR(10), CURRENT_TIMESTAMP, 101)
102	2006.02.22	CONVERT(CHAR(10), CURRENT_TIMESTAMP, 102)
103	22/02/2006	CONVERT(CHAR(10), CURRENT_TIMESTAMP, 103)
104	22.02.2006	CONVERT(CHAR(10), CURRENT_TIMESTAMP, 104)
105	22-02-2006	CONVERT(CHAR(10), CURRENT_TIMESTAMP, 105)
106	22 Feb 2006	CONVERT(CHAR(11), CURRENT_TIMESTAMP, 106)
107	Feb 22, 2006	CONVERT(CHAR(12), CURRENT_TIMESTAMP, 107)
108	16:26:08	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 108)
109	Feb 22 2006 4:26:08:067PM	CONVERT(CHAR(26), CURRENT_TIMESTAMP, 109)
110	02-22-2006	CONVERT(CHAR(10), CURRENT_TIMESTAMP, 110)
111	2006/02/22	CONVERT(CHAR(10), CURRENT_TIMESTAMP, 111)
112	20060222	CONVERT(CHAR(8), CURRENT_TIMESTAMP, 112)
113	22 Feb 2006 16:26:08:067	CONVERT(CHAR(24), CURRENT_TIMESTAMP, 113)
114	16:26:08:067	CONVERT(CHAR(12), CURRENT_TIMESTAMP, 114)
120	2006-02-22 16:26:08	CONVERT(CHAR(19), CURRENT_TIMESTAMP, 120)
121	2006-02-22 16:26:08.080	CONVERT(CHAR(23), CURRENT_TIMESTAMP, 121)
126	2006-02-22T16:26:08.080	CONVERT(CHAR(23), CURRENT_TIMESTAMP, 126)
127	2006-02-22T16:26:08.080	CONVERT(CHAR(23), CURRENT_TIMESTAMP, 127)
130	24 ???? 1427 4:26:08:080PM	CONVERT(CHAR(32), CURRENT_TIMESTAMP, 130)
131	24/01/1427 4:26:08:080PM	CONVERT(CHAR(25), CURRENT_TIMESTAMP, 131