T SQL

Grouping By Day Of month: In order to group the data by day you can use sql server in built DAY() funtion. Grouping By Day Of week: For this you can use DATEPART(weekday,[date column]) Grouping By week: For this you can use DATEPART(week,[date column]) Grouping By DAY of Year: For this you can use DATEPART(dayofyear,[date […]

declare @TableName sysname = ‘TableName’ declare @Result varchar(max) = ‘public class ‘ + @TableName + ‘ {‘ select @Result = @Result + ‘ public ‘ + ColumnType + NullableSign + ‘ ‘ + ColumnName + ‘ { get; set; } ‘ from ( select replace(col.name, ‘ ‘, ‘_’) ColumnName, column_id ColumnId, case typ.name when ‘bigint’ […]

DECLARE @TableName NVARCHAR(128)=’TabloAdi’ BEGIN TRAN DECLARE @NextId NUMERIC = CASE WHEN (IDENT_CURRENT(@TableName) = 1) THEN 1 ELSE 0 END DECLARE @Sql NVARCHAR(MAX) = ‘DELETE FROM [‘ + @TableName + ‘]’ EXECUTE sp_executesql @Sql IF (@@ERROR = 0) BEGIN DBCC CHECKIDENT (@TableName, RESEED, @NextId) COMMIT TRAN END ELSE BEGIN ROLLBACK END     Kaynak: Eduardo Cuomo

SELECT LAG(p.FirstName) OVER (ORDER BY p.BusinessEntityID) PreviousValue, p.FirstName, LEAD(p.FirstName) OVER (ORDER BY p.BusinessEntityID) NextValue FROM Person.Person p       Kaynak: sqlauthority.com

SELECT  CAST(CAST(0 AS BINARY) AS UNIQUEIDENTIFIER)  

DECLARE @XML XML='<IDLIST><ID VALUE=”00000000-0000-0000-0000-000000000000″/></IDLIST>’ DECLARE @docHandle INT CREATE TABLE #tmp ( ID UNIQUEIDENTIFIER  ) EXEC sp_xml_preparedocument @docHandle OUTPUT, @XML INSERT INTO #tmp SELECT  * FROM OPENXML (@docHandle, ‘/IDLIST/ID’, 1) WITH(VALUE UNIQUEIDENTIFIER) EXEC sp_xml_removedocument @docHandle  

DECLARE @cols AS NVARCHAR(MAX); DECLARE @query AS NVARCHAR(MAX); select @cols = STUFF((SELECT distinct ‘,’ + QUOTENAME(Name) FROM property FOR XML PATH(”), TYPE ).value(‘.’, ‘NVARCHAR(MAX)’) , 1, 1, ”); SELECT @query = ‘SELECT * FROM ( SELECT o.object_id, p.Name, o.value FROM propertyObjects AS o INNER JOIN property AS p ON o.Property_Id = p.Id ) AS t […]

SELECT T2.FieldSomething, STUFF(( SELECT ‘,’ T1.Field FROM Table1 T1 WHERE T1.IDField =T2.IDField ORDER BY T1.Field FOR XML PATH(”) ), 1, 1, ”) AS FieldName FROM Table2 T2