PlItems

ID: 51
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: Alle angelegten Tabellen anzeigen
Code: SELECT T.TABLE_CATALOG ,T.TABLE_SCHEMA ,T.TABLE_NAME ,T.TABLE_TYPE FROM INFORMATION_SCHEMA.TABLES T
Result Example:

TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	TABLE_TYPE
dbo	v_Countries	ID	VIEW
dbo	Countries	ID	BASE TABLE

ID: 53
PlCodelang: T-SQL
PlGroup: Datum, Zeit
PlItemTitle: Erster und letzter Tag des Monats ermitteln
Code: DECLARE @Now SMALLDATETIME ,@FirstDayOfMonth SMALLDATETIME ,@Laufperiode CHAR(21) ,@LastDayOfMonth SMALLDATETIME -- SET @Now = GetDate() SET @Now = {d '2008-02-01'} SET @FirstDayOfMonth = CAST(year(@Now) * 10000 + MONTH(@Now) * 100 + 1 as CHAR(8)) SET @Laufperiode = CONVERT(CHAR(10), @FirstDayOfMonth, 104) + '-' + CONVERT(CHAR(10), DATEADD(mm, 1, @FirstDayOfMonth) - 1, 104) SET @LastDayOfMonth=DATEADD(mm, 1, @FirstDayOfMonth)-1 SELECT [@Laufperiode] = @Laufperiode ,[@FirstDayOfMonth] = @FirstDayOfMonth ,[@LastDayOfMonth] = @LastDayOfMonth
Result Example:

@Laufperiode	@FirstDayOfMonth	@LastDayOfMonth
01.02.2008-29.02.2008	01.02.2008 00:00:00	29.02.2008 00:00:00

ID: 54
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: Stored Function aufrufen
Code: SELECT schema.functionname(para1, para2)

ID: 56
PlCodelang: T-SQL
PlGroup: Datum, Zeit
PlItemTitle: Aktuelles Datum/Uhrzeit
Code: SELECT GETDATE(); INSERT INTO table (datetime) VALUES (GETDATE());

ID: 57
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: SQL-Cursor
Code: CREATE #myTempTable ( ID Int IDENTITY ,tempField1 Int ,tempField2 VarChar(30) ) DECLARE @field1 AS Int DECLARE @field2 AS VarChar(30) DECLARE myCursor CURSOR FOR SELECT myTableField1, myTableField2 FROM myTable OPEN myCursor FETCH NEXT FROM myCursor INTO @field1, @field2; WHILE @@FETCH_STATUS=0 BEGIN PRINT @field1 -- Prints value from column myTable.myTableField1 PRINT @field2 -- Prints value from column myTable.myTableField2 INSERT INTO #myTempTable (tempField1,tempField2) VALUES (@field1, @field2) -- do something else... FETCH NEXT FROM myCursor INTO @field1, @field2; -- next row END CLOSE myCursor DEALLOCATE myCursor DROP #myTempTable

ID: 59
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: Fortlaufende Nummer innerhalb eines ResultSets
Code: -- Beispiel: -- http://msdn.microsoft.com/de-de/library/ms186734.aspx SELECT FirstName, LastName, ROW_NUMBER() OVER(ORDER BY SalesYTD DESC) AS 'Row Number', SalesYTD, PostalCode FROM Sales.vSalesPerson

ID: 60
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: Nach Inhalt in Functions/Stored Procedures suchen
Code: -- Durchsucht alle Functions, Stored Procedures, Views nach dem enthaltenen Begriff dbo.table1: DECLARE @suchbegriff VarChar(50) = '%dbo.table1%' SELECT * FROM ( SELECT ROUTINE_SCHEMA AS [Schema] , ROUTINE_NAME AS [Objectname] , ROUTINE_DEFINITION AS [Objectdefinition] , ROUTINE_TYPE AS [Objecttype] FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_DEFINITION LIKE @suchbegriff AND (ROUTINE_TYPE='PROCEDURE' OR ROUTINE_TYPE='FUNCTION') UNION ALL SELECT TABLE_SCHEMA AS [Schema] , TABLE_NAME AS [Objectname] , VIEW_DEFINITION AS [Objectdefinition] , 'VIEW' AS [Objecttype] FROM INFORMATION_SCHEMA.VIEWS WHERE VIEW_DEFINITION LIKE @suchbegriff ) subQuery1 ORDER BY subQuery1.[Objectname] -- gefunden bei: http://www.mssqltips.com/tip.asp?tip=1419 -- erweitert um View-Definition

ID: 63
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: Tabellenstruktur kopieren
Code: Select * INTO SQL2.dbo.NeueTabelle FROM SQL1.dbo.AlteTabelle WHERE 0=1

ID: 64
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: Prüfen ob temporäre Tabelle existiert
Code: SELECT OBJECT_ID ('tempdb..#myTableTable1')

ID: 65
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: Prüfen welche/ob Tabelle ein AutoIncrement/Identiy Spalte hat
Code: -- Welche Tabellen ... select o.name, c.name, from sys.objects o inner join sys.columns c on o.object_id = c.object_id where c.is_identity = 1 -- -------------------------------------- -- Hat diese Tabelle ... IF ((SELECT OBJECTPROPERTY( OBJECT_ID(N'dbo.myTable'), 'TableHasIdentity')) = 1) PRINT 'Yes' ELSE PRINT 'No'

ID: 66
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: Ausführen von SQL-Code per Aufruf
Code: http://www.databasejournal.com/features/mssql/article.php/3286501/T-SQL-Programming-Part-4---Setting-Variables-in-Calling-T-SQL-Code-While-Using-spexecutesql.htm use Northwind go declare @RECCNT int declare @ORDID varchar(10) declare @CMD Nvarchar(100) set @ORDID = 10436 SET @CMD = 'SELECT @RECORDCNT=count(*) from [Orders]' + ' where OrderId < @ORDERID' print @CMD exec sp_executesql @CMD, N'@RECORDCNT int out, @ORDERID int', @RECCNT out, @ORDID print 'The number of records that have an OrderId' + ' greater than ' + @ORDID + ' is ' + cast(@RECCNT as char(5))

ID: 67
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: Tabellenzeile mit FK's löschen
Code: -- Siehe auch: http://www.sqlteam.com/article/performing-a-cascade-delete-in-sql-server-7 CREATE Procedure spDeleteRows -- Recursive row delete procedure. -- It deletes all rows in the table specified that conform to the criteria selected, -- while also deleting any child/grandchild records and so on. This is designed to do the -- same sort of thing as Access's cascade delete function. It first reads the sysforeignkeys -- table to find any child tables, then deletes the soon-to-be orphan records from them using -- recursive calls to this procedure. Once all child records are gone, the rows are deleted -- from the selected table. It is designed at this time to be run at the command line. It could -- also be used in code, but the printed output will not be available. ( @cTableName varchar(50), -- name of the table where rows are to be deleted @cCriteria nvarchar(1000), -- criteria used to delete the rows required @iRowsAffected int OUTPUT -- number of records affected by the delete ) As set nocount on declare @cTab varchar(255), -- name of the child table @cCol varchar(255), -- name of the linking field on the child table @cRefTab varchar(255), -- name of the parent table @cRefCol varchar(255), -- name of the linking field in the parent table @cFKName varchar(255), -- name of the foreign key @cSQL nvarchar(1000), -- query string passed to the sp_ExecuteSQL procedure @cChildCriteria nvarchar(1000), -- criteria to be used to delete -- records from the child table @iChildRows int -- number of rows deleted from the child table -- declare the cursor containing the foreign key constraint information DECLARE cFKey CURSOR LOCAL FOR SELECT SO1.name AS Tab, SC1.name AS Col, SO2.name AS RefTab, SC2.name AS RefCol, FO.name AS FKName FROM dbo.sysforeignkeys FK INNER JOIN dbo.syscolumns SC1 ON FK.fkeyid = SC1.id AND FK.fkey = SC1.colid INNER JOIN dbo.syscolumns SC2 ON FK.rkeyid = SC2.id AND FK.rkey = SC2.colid INNER JOIN dbo.sysobjects SO1 ON FK.fkeyid = SO1.id INNER JOIN dbo.sysobjects SO2 ON FK.rkeyid = SO2.id INNER JOIN dbo.sysobjects FO ON FK.constid = FO.id WHERE SO2.Name = @cTableName OPEN cFKey FETCH NEXT FROM cFKey INTO @cTab, @cCol, @cRefTab, @cRefCol, @cFKName WHILE @@FETCH_STATUS = 0 BEGIN -- build the criteria to delete rows from the child table. As it uses the -- criteria passed to this procedure, it gets progressively larger with -- recursive calls SET @cChildCriteria = @cCol + ' in (SELECT [' + @cRefCol + '] FROM [' + @cRefTab +'] WHERE ' + @cCriteria + ')' print 'Deleting records from table ' + @cTab -- call this procedure to delete the child rows EXEC spDeleteRows @cTab, @cChildCriteria, @iChildRows OUTPUT FETCH NEXT FROM cFKey INTO @cTab, @cCol, @cRefTab, @cRefCol, @cFKName END Close cFKey DeAllocate cFKey -- finally delete the rows from this table and display the rows affected SET @cSQL = 'DELETE FROM [' + @cTableName + '] WHERE ' + @cCriteria print @cSQL EXEC sp_ExecuteSQL @cSQL print 'Deleted ' + CONVERT(varchar, @@ROWCOUNT) + ' records from table ' + @cTableName

ID: 79
PlCodelang: T-SQL
PlGroup: Datenbank, Collation
PlItemTitle: Datensatz Case-Sesitive abfragen
Code: -- Table containing Values -- content (column) -- a -- A SELECT content FROM myTable WHERE content='A' COLLATE SQL_Latin1_General_CP1_CS_AS -- Result: A

ID: 80
PlCodelang: T-SQL
PlGroup: Datenbank, Collation
PlItemTitle: Collation (Sortierreihenfolge) einer Datenbank ändern
Code: -- Collation einer Multi-User Datenbank ändern -- Über SSMS kommt die Fehlermeldung 5030 (Die Datenbank konnte nicht exklusiv gesperrt werden, um den Vorgang auszuführen.) -- siehe dazu: http://sunali.com/2009/10/08/microsoft-sql-server-error-5030/ -- the following line sets the database to "Single User" mode ALTER DATABASE MYDB SET SINGLE_USER WITH ROLLBACK IMMEDIATE -- the following line sets the new collation ALTER DATABASE MYDB COLLATE Latin1_General_CS_AS -- the following line sets the database back to "Multi User" mode ALTER DATABASE MYDB SET MULTI_USER

ID: 81
PlCodelang: T-SQL
PlGroup: Datenbank, Collation
PlItemTitle: Collation-Arten auflisten
Code: -- siehe auch: http://msdn.microsoft.com/de-de/library/ms187963.aspx SELECT * FROM fn_helpcollations()

ID: 117
PlCodelang: T-SQL
PlGroup: Datenbank
PlItemTitle: CSV erstellen
Code: SELECT SUBSTRING( (SELECT ',' + CSVItem FROM TableWithItems s ORDER BY s.Name FOR XML PATH('')),2,200000) GO

ID: 118
PlCodelang: T-SQL
PlGroup: Kontrollstrukturen
PlItemTitle: Switch / Case Anweisung
Code: -- http://msdn.microsoft.com/de-de/library/ms181765.aspx USE AdventureWorks2008R2; GO SELECT ProductNumber, Category = CASE ProductLine WHEN 'R' THEN 'Road' WHEN 'M' THEN 'Mountain' WHEN 'T' THEN 'Touring' WHEN 'S' THEN 'Other sale items' ELSE 'Not for sale' END, Name FROM Production.Product ORDER BY ProductNumber; GO

ID: 119
PlCodelang: T-SQL
PlGroup: Strings
PlItemTitle: Vorkommnisse eines Zeichen in einem String ermitteln
Code: DECLARE @TestString VarChar(max) = 'abcdeeeff' DECLARE @SearchFor VarChar(1) = 'e' SELECT Len(@TestString)-Len(replace(@TestString,@SearchFor,'')) As Count

ID: 122
PlCodelang: T-SQL
PlGroup: Datum, Zeit
PlItemTitle: Monat aus Datum extrahieren
Code: SELECT MONTH(GETDATE())

ID: 135
PlCodelang: T-SQL
PlGroup: Security
PlItemTitle: Zugriff auf DB-Tabellen für Schema/Package gewähren
Code: GRANT UPDATE,INSERT,SELECT,DELETE ON SCHEMA :: schema_test TO user_test