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原标题:Extracting Names

我有一张有数据库名称、Schema名称和Procdedure名称的插图。

manged.dbo.gen_scri

我试图从数据库中抽取数据库名称、Schema名称和Procdedure名称,因此我写了这样一个问题:

DECLARE @Name VARCHAR(1000)=  manged.dbo.gen_scri ,
@DB VARCHAR(100),
@Schema VARCHAR(100),
@Proc_Name VARCHAR(max)

SELECT @DB=SUBSTRING(@Name,1,CHARINDEX( . ,@Name)-1)

SELECT @Schema=SUBSTRING(@Name,(CHARINDEX( . ,@Name))+1,CHARINDEX( . ,@Name,(LEN(@DB))+2)-((CHARINDEX( . ,@Name))+1))

SELECT @Proc_Name=SUBSTRING(@Name,LEN(@DB)+LEN(@Schema)+3,100)

SELECT  @DB AS Database_Name,@Schema AS SchemaName,@Proc_Name AS Proc_Name

Is there a better way of doing it?

最佳回答

答案是PARSENAME(full_object_name, part)=。 www.un.org/spanish/ecosoc 可以是: 1 =>物体名称,2 =>schema, 3 =>数据库名称,4 =>服务器名称:

SELECT   @Proc_Name = PARSENAME(@Name, 1)       
        ,@Schema    = PARSENAME(@Name, 2)       
        ,@DB        = PARSENAME(@Name, 3);
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