sqlserver 查询当天/本周/本月/本季度/本年的数据
当天数据：select * from tableName where datediff(day, 字段名,getdate())=0
本周数据：select * from tableName where datediff(week, 字段名,getdate())=0
本月：select * from tableName where datediff(month, 字段名,getdate())=0
本季度：内select * from tableName where datediff(quarter, 字段名,getdate())=0
本年：select * from tableName where datediff(year, 字段名,getdate())=0
access
查询当天：DateDiff('d',time,Date())=0
查询当月：datediff('m',time ,date())=0
查询当年：DateDiff('yyyy',time,date())=0