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BI SQL # 238 : SQL Server DBA Scripts : B. Compare Database

Hi Folks,

In this article we are going to cover 2 type of comparing Database B. Compare Database.

In this post we are going to discuss following points:

  • Problem Statement of SQL Script:
  • Description of SQL Script:
  • SQL Script Output Column
  • Input Parameter of SQL Script
  • SQL Script Code
  • SQL Script Output Screenshot
  • User Level to execute

    Problem Statement of SQL Script:

    Compare database.

    Description of SQL Script:

    This is a stored procedure to compare the code of the objects like Stored Procedures, Triggers , Views and Function between two databases. This will be help full to generate a report on which objects are out of synch. This uses the system table SYS.SQL_modules.

    SQL Script Output Column

    image

    Input Parameter of SQL Script

    @SourceDB SYSNAME, @TargetDb SYSNAME, @ObjectName SYSNAME

SQL Script Code

IF OBJECT_ID('CompareObjectCode', 'P') IS NOT NULL
    DROP PROC CompareObjectCode
GO

CREATE PROC CompareObjectCode @SourceDBName SYSNAME
    ,@DestDBName SYSNAME
    ,@ObjectName SYSNAME = '%'
AS
DECLARE @SQL VARCHAR(MAX)

SELECT @Sql = 
    ' 
    SELECT  ''Object Name'' = ISNULL(SRC.name,Dest.name) 
           ,''Object Type'' = ISNULL(SRC.type_desc,Dest.type_desc) 
           ,''Status'' =   CASE 
                                WHEN SRC.Definition is null THEN 
''Missing in Source'' 
                                WHEN Dest.Definition is null THEN 
''Missing in Destination'' 
                                WHEN SRC.Definition <> Dest.Definition 
THEN ''Definition Mismatch'' 
                                ELSE ''Match'' 
                                END 
           ,''Source Created Date'' = SRC.create_date 
           ,''Source Modify Date''  = SRC.modify_date 
           ,''Destination Created Date'' = Dest.create_date 
           ,''Destination Modify Date''  = Dest.modify_date 
      FROM  
        ( 
         SELECT so.name,so.create_date,so.modify_date,sm.definition 
,so.type_desc 
           FROM ' 
    + @SourceDBName + '.SYS.objects so 
           JOIN ' + 
    @SourceDBName + 
    '.SYS.sql_modules sm 
             ON so.object_id = sm.object_id 
          WHERE so.name like ''' 
    + @ObjectName + 
    ''' 
        ) Src 
        FULL OUTER JOIN 
        ( 
         SELECT so.name,so.create_date,so.modify_date,sm.definition 
,so.type_desc 
           FROM ' 
    + @DestDBName + '.SYS.objects so 
           JOIN ' + 
    @DestDBName + 
    '.SYS.sql_modules sm 
             ON so.object_id = sm.object_id 
          WHERE so.name like ''' 
    + @ObjectName + 
    ''' 
        ) Dest 
        ON SRC.name = dEST.name 
    '

EXEC (@Sql)
GO

SQL Script Output Screenshot

image

User Level to execute

      200

    Hope you will like 2 type of comparing Database B. Compare Database.

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