¸ü¸ÄSQL 2005µÄµÇ½·½Ê½
Èç¹ûÄãµÄÉí·ÝÑéÖ¤·½Ê½ÎªWindows¼¯³ÉÉí·ÝÑéÖ¤¸ü¸ÄΪ»ìºÏ·½Ê½µÄÉí·ÝÑéÖ¤£¬ÐèÒªÔÚSQL Server Configuration ManagementÖУ¬°ÑTCP/IPµÄ»î¶¯ÆôÓã¬Ò²¾ÍÊǵÚÒ»¸öÑ¡ÔñµÄµØ·½£¬Ñ¡ÔñÆôÓᣲ¢ÇÒʹÓü¯³ÉÉí·ÝÑéÖ¤·½Ê½µÇ¼ºó£¬ÔÚÊý¾Ý¿â·þÎñÆ÷ÉÏÑ¡ÔñÊôÐÔ£¬°Ñ°²È«ÐÔϵÄWINDOWSģʽ¸ÄΪSQLÓëWINDOWSģʽ
Ïà¹ØÎĵµ£º
ÅжÏÊý¾Ý¿âÀàÐÍ
(select count(*) fromsysobjects)>0 //sqlÊý¾Ý¿â
(select count(*) from msysobjects)>0 //accessÊý¾Ý¿â
µÃµ½SqlÓû§Ãû
user>0
Conversion failed when converting the nvarchar value 'dbo' to data type int.
ÖØ¹¹SQLÓï¾ä
ÕûÊýÐÍ
(A) ID=49 ID=49 And [ ²éѯÌõ¼þ] £¬¼´Ê ......
ʹÓà CONVERT£º
CONVERT (data_type[(length)], expression [, style])
select CONVERT(varchar, getdate(), 120 )
2004-09-12 11:06:08
select replace(replace(replace(CONVERT(varchar, getdate(), 120 ),\'-\',\'\'),\' \',\'\'),\':\',\'\')
20040912110608
select CONVERT(varchar(12) , getdate(), 111 ) ......
CONVERT
½«Ä³ÖÖÊý¾ÝÀàÐ͵ıí´ïʽÏÔʽת»»ÎªÁíÒ»ÖÖÊý¾ÝÀàÐÍ¡£ÓÉÓÚijЩÐèÇó¾³£Óõ½È¡ÈÕÆÚ¸ñʽµÄ²»Í¬.ÏÖÒÔÏ¿ÉÔÚ
SQL ServerÖÐ ½«ÈÕÆÚ¸ñʽ»¯.
SQL Server Ö§³ÖʹÓÿÆÍþÌØËã·¨µÄ°¢À²®ÑùʽÖеÄÊý¾Ý¸ñʽ¡£
ÔÚ±íÖУ¬×ó²àµÄÁ½Áбíʾ½« datetime »ò smalldatetime ת»»Îª×Ö·ûÊý¾ÝµÄ style Öµ¡£¸ø style Öµ¼Ó 100£¬¿É»ñµÃ°ü ......
¾Û¼¯Ë÷Òý²»½ö°üº¬Ë÷ÒýµÄkeyÖµ£¬»¹°üº¬±íÊý¾Ý£»
·Ç¾Û¼¯Ë÷ÒýÖ»°üº¬Ë÷ÒýµÄkeyÖµ¡£
SQL ServerÔÚÓÐЩÇé¿öÏ£¬Óоۼ¯Ë÷ÒýºÍ·Ç¾Û¼¯Ë÷Òý´æÔÚʱ£¬»áÑ¡Ôñ×߷Ǿۼ¯Ë÷Òý£¬¶ø²»×ß¾Û¼¯Ë÷Òý¡£
Àý×ÓÈçÏ£º
ÔÚ SQL Server µÄadventureWorksÊý¾Ý¿âÏ£¬ÔËÐÐÈçÏÂÓï¾ä£º
select DepartmentID,Name from HumanResources.Department
Departm ......
ÓÃsql²Ù×÷oracleµÄblob×Ö¶Î
1¡¢²éѯ
select utl_raw.cast_to_varchar2(dlob),id from system.t_htinfo
2¡¢²åÈë
insert into system.t_htinfo values ('3',utl_raw.cast_to_raw('Äã'));
3¡¢¸üÐÂ
update system.t_htinfo set fld_value=utl_raw.cast_to_raw('1') where fh_nm=1820648 and form_index=52
......