BI SQL # 239 : SQL Server DBA Scripts : C. Compare Database

Hi Folks,

In this article we are going to cover 3 and last type of C. 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 SQL script will compare table columns, Index and foreign keys in two databases, I am planning to continue this further to add more and more options to this. This will show a result with missing objects and the objects with definition mismatch.

SQL Script Output Column

Input Parameter of SQL Script

@SourceDB SYSNAME, @TargetDb SYSNAME

SQL Script Code

CREATE PROC sp_CompareDb (
    @SourceDB SYSNAME
    ,@TargetDb SYSNAME
    )
AS
/* 
DECLARE @SourceDB SYSNAME='DB1',  
                  @TargetDb SYSNAME='DB2' 
*/
SET NOCOUNT ON
SET ANSI_WARNINGS ON
SET ANSI_NULLS ON

DECLARE @sqlStr VARCHAR(8000)

SET @SourceDB = Rtrim(Ltrim(@SourceDB))

IF DB_ID(@SourceDB) IS NULL
BEGIN
    PRINT 'Error: Unable to find the database ' + @SourceDB + 
        '!!!'

    RETURN
END

SET @TargetDb = Rtrim(Ltrim(@TargetDb))

IF DB_ID(@SourceDB) IS NULL
BEGIN
    PRINT 'Error: Unable to find the database ' + @TargetDb + 
        '!!!'

    RETURN
END

PRINT Replicate('-', Len(@SourceDB) + Len(@TargetDb) + 25)
PRINT 'Comparing databases ' + @SourceDB + ' and ' + @TargetDb
PRINT Replicate('-', Len(@SourceDB) + Len(@TargetDb) + 25)

IF OBJECT_ID('TEMPDB..#TABLIST_SOURCE') IS NOT NULL
    DROP TABLE #TABLIST_SOURCE

IF OBJECT_ID('TEMPDB..#TABLIST_TARGET') IS NOT NULL
    DROP TABLE #TABLIST_TARGET

IF OBJECT_ID('TEMPDB..#IDXLIST_SOURCE') IS NOT NULL
    DROP TABLE #IDXLIST_SOURCE

IF OBJECT_ID('TEMPDB..#IDXLIST_TARGET') IS NOT NULL
    DROP TABLE #IDXLIST_TARGET

IF OBJECT_ID('TEMPDB..#FKLIST_SOURCE') IS NOT NULL
    DROP TABLE #FKLIST_SOURCE

IF OBJECT_ID('TEMPDB..#FKLIST_TARGET') IS NOT NULL
    DROP TABLE #FKLIST_TARGET

IF OBJECT_ID('TEMPDB..#TAB_RESULTS') IS NOT NULL
    DROP TABLE #TAB_RESULTS

IF OBJECT_ID('TEMPDB..#IDX_RESULTS') IS NOT NULL
    DROP TABLE #IDX_RESULTS

IF OBJECT_ID('TEMPDB..#FK_RESULTS') IS NOT NULL
    DROP TABLE #FK_RESULTS

CREATE TABLE #TABLIST_SOURCE (
    ID INT IDENTITY(1, 1)
    ,DATABASENAME SYSNAME
    ,TABLENAME SYSNAME
    ,COLUMNNAME SYSNAME
    ,DATATYPE SYSNAME
    ,NULLABLE VARCHAR(15)
    )

CREATE TABLE #TABLIST_TARGET (
    ID INT IDENTITY(1, 1)
    ,DATABASENAME SYSNAME
    ,TABLENAME SYSNAME
    ,COLUMNNAME SYSNAME
    ,DATATYPE SYSNAME
    ,NULLABLE VARCHAR(15)
    )

CREATE TABLE #IDXLIST_SOURCE (
    ID INT IDENTITY(1, 1)
    ,DATABASENAME SYSNAME
    ,TABLE_NAME SYSNAME
    ,IDX_NAME SYSNAME
    ,IDX_TYPE VARCHAR(20)
    ,IS_PRIMARY_KEY VARCHAR(10)
    ,IS_UNIQUE VARCHAR(10)
    ,IDX_COLUMNS VARCHAR(1000)
    ,IDX_INCLUDED_COLUMNS VARCHAR(1000)
    );

CREATE TABLE #IDXLIST_TARGET (
    ID INT IDENTITY(1, 1)
    ,DATABASENAME SYSNAME
    ,TABLE_NAME SYSNAME
    ,IDX_NAME SYSNAME
    ,IDX_TYPE VARCHAR(20)
    ,IS_PRIMARY_KEY VARCHAR(10)
    ,IS_UNIQUE VARCHAR(10)
    ,IDX_COLUMNS VARCHAR(1000)
    ,IDX_INCLUDED_COLUMNS VARCHAR(1000)
    );

CREATE TABLE #FKLIST_SOURCE (
    ID INT IDENTITY(1, 1)
    ,DATABASENAME SYSNAME
    ,FK_NAME SYSNAME
    ,FK_TABLE SYSNAME
    ,FK_COLUMNS VARCHAR(1000)
    ,PK_TABLE SYSNAME
    ,PK_COLUMNS VARCHAR(1000)
    );

CREATE TABLE #FKLIST_TARGET (
    ID INT IDENTITY(1, 1)
    ,DATABASENAME SYSNAME
    ,FK_NAME SYSNAME
    ,FK_TABLE SYSNAME
    ,FK_COLUMNS VARCHAR(1000)
    ,PK_TABLE SYSNAME
    ,PK_COLUMNS VARCHAR(1000)
    );

CREATE TABLE #TAB_RESULTS (
    ID INT IDENTITY(1, 1)
    ,DATABASENAME SYSNAME
    ,TABLENAME SYSNAME
    ,COLUMNNAME SYSNAME
    ,DATATYPE SYSNAME
    ,NULLABLE VARCHAR(15)
    ,REASON VARCHAR(150)
    );

CREATE TABLE #IDX_RESULTS (
    ID INT IDENTITY(1, 1)
    ,DATABASENAME SYSNAME
    ,TABLE_NAME SYSNAME
    ,IDX_NAME SYSNAME
    ,IDX_TYPE VARCHAR(20)
    ,IS_PRIMARY_KEY VARCHAR(10)
    ,IS_UNIQUE VARCHAR(10)
    ,IDX_COLUMNS VARCHAR(1000)
    ,IDX_INCLUDED_COLUMNS VARCHAR(1000)
    ,REASON VARCHAR(150)
    );

CREATE TABLE #FK_RESULTS (
    ID INT IDENTITY(1, 1)
    ,DATABASENAME SYSNAME
    ,FK_NAME SYSNAME
    ,FK_TABLE SYSNAME
    ,FK_COLUMNS VARCHAR(1000)
    ,PK_TABLE SYSNAME
    ,PK_COLUMNS VARCHAR(1000)
    ,REASON VARCHAR(150)
    );

PRINT 'Getting table and column list!';
PRINT Replicate('-', Len(@SourceDB) + Len(@TargetDb) + 25);

BEGIN
    INSERT INTO #TABLIST_SOURCE (
        DATABASENAME
        ,TABLENAME
        ,COLUMNNAME
        ,DATATYPE
        ,NULLABLE
        )
    EXEC (
            'SELECT ''' + @SourceDB + 
            ''', T.TABLE_NAME TABLENAME,  
             C.COLUMN_NAME COLUMNNAME, 
             TY.name + case when TY.name IN

(''char'',''varchar'',''nvarchar'') THEN     
                ''(''+CASE WHEN C.CHARACTER_MAXIMUM_LENGTH>0 THEN CAST

(C.CHARACTER_MAXIMUM_LENGTH AS VARCHAR) ELSE ''max''END+'')'' 
                ELSE     
                    '''' 
                END 
                DATATYPE, 
                CASE WHEN C.is_nullable=''NO'' THEN     
                    ''NOT NULL''  
                    ELSE 
                    ''NULL'' 
                END NULLABLE 
                    FROM ' 
            + @SourceDB + 
            '.INFORMATION_SCHEMA.TABLES T  
                        INNER JOIN  ' 
            + @SourceDB + 
            '.INFORMATION_SCHEMA.COLUMNS C 
                            ON T.TABLE_NAME=C.TABLE_NAME 
                            and T.TABLE_CATALOG=C.TABLE_CATALOG 
                            and T.TABLE_SCHEMA=C.TABLE_SCHEMA 
                         INNER JOIN ' 
            + @SourceDB + 
            '.sys.types TY 
                        ON C.DATA_TYPE =TY.name         
                        ORDER BY TABLENAME, COLUMNNAME,C.ORDINAL_POSITION'
            );

    INSERT INTO #TABLIST_TARGET (
        DATABASENAME
        ,TABLENAME
        ,COLUMNNAME
        ,DATATYPE
        ,NULLABLE
        )
    EXEC (
            'SELECT ''' + @TargetDB + 
            ''', T.TABLE_NAME TABLENAME,  
             C.COLUMN_NAME COLUMNNAME, 
             TY.name + case when TY.name IN

(''char'',''varchar'',''nvarchar'') THEN     
                ''(''+CASE WHEN C.CHARACTER_MAXIMUM_LENGTH>0 THEN CAST

(C.CHARACTER_MAXIMUM_LENGTH AS VARCHAR) ELSE ''max''END+'')'' 
                ELSE     
                    '''' 
                END 
                DATATYPE, 
                CASE WHEN C.is_nullable=''NO'' THEN     
                    ''NOT NULL''  
                    ELSE 
                    ''NULL'' 
                END NULLABLE 
                    FROM ' 
            + @TargetDB + 
            '.INFORMATION_SCHEMA.TABLES T  
                        INNER JOIN  ' 
            + @TargetDB + 
            '.INFORMATION_SCHEMA.COLUMNS C 
                            ON T.TABLE_NAME=C.TABLE_NAME 
                            and T.TABLE_CATALOG=C.TABLE_CATALOG 
                            and T.TABLE_SCHEMA=C.TABLE_SCHEMA 
                         INNER JOIN ' 
            + @TargetDB + 
            '.sys.types TY 
                        ON C.DATA_TYPE =TY.name         
                        ORDER BY TABLENAME, COLUMNNAME,C.ORDINAL_POSITION'
            );

    PRINT 'Getting index list!';
    PRINT Replicate('-', Len(@SourceDB) + Len(@TargetDb) + 25);

    INSERT INTO #IDXLIST_SOURCE (
        DATABASENAME
        ,TABLE_NAME
        ,IDX_NAME
        ,IDX_TYPE
        ,IS_PRIMARY_KEY
        ,IS_UNIQUE
        ,IDX_COLUMNS
        ,IDX_INCLUDED_COLUMNS
        )
    EXEC (
            'WITH CTE AS (  
           SELECT      ic.index_id + ic.object_id AS IndexId,t.name AS

TableName  
                       ,i.name AS IndexName 
                                             ,case when

ic.is_included_column =0 then 
                                                    c.name end AS ColumnName 
                                            ,case when

ic.is_included_column =1 then 
                                                    c.name end AS

IncludedColumn 
                                                    ,i.type_desc  
                       ,i.is_primary_key,i.is_unique  
           FROM  ' 
            + @SourceDB + 
            '.sys.indexes i  
           INNER JOIN ' + 
            @SourceDB + 
            '.sys.index_columns ic  
                   ON  i.index_id    =   ic.index_id  
                   AND i.object_id   =   ic.object_id  
           INNER JOIN ' 
            + @SourceDB + 
            '.sys.columns c  
                   ON  ic.column_id  =   c.column_id  
                   AND i.object_id   =   c.object_id  
           INNER JOIN ' 
            + @SourceDB + 
            '.sys.tables t  
                   ON  i.object_id = t.object_id  
)  
SELECT ''' 
            + @SourceDB + 
            ''',c.TableName TABLE_NAME,c.IndexName INDEX_NAME,c.type_desc

INDEX_TYPE ,c.is_primary_key IS_PRIMARY_KEY,c.is_unique IS_UNIQUE 
       ,STUFF( ( SELECT '',''+ a.ColumnName FROM CTE a WHERE c.IndexId =

a.IndexId FOR XML PATH('''')),1 ,1, '''') AS COLUMNS 
       ,STUFF( ( SELECT '',''+ a.IncludedColumn FROM CTE a WHERE c.IndexId =

a.IndexId FOR XML PATH('''')),1 ,1, '''') AS INCLUDED_COLUMNS 
FROM   CTE c  
GROUP  BY c.IndexId,c.TableName,c.IndexName,

c.type_desc,c.is_primary_key,c.is_unique  
ORDER  BY c.TableName ASC,c.is_primary_key DESC; '
            );

    INSERT INTO #IDXLIST_TARGET (
        DATABASENAME
        ,TABLE_NAME
        ,IDX_NAME
        ,IDX_TYPE
        ,IS_PRIMARY_KEY
        ,IS_UNIQUE
        ,IDX_COLUMNS
        ,IDX_INCLUDED_COLUMNS
        )
    EXEC (
            'WITH CTE AS (  
           SELECT      ic.index_id + ic.object_id AS

IndexId,t.name AS TableName  
                       ,i.name AS IndexName 
                                             ,case when

ic.is_included_column =0 then 
                                                    c.name end AS ColumnName 
                                            ,case when

ic.is_included_column =1 then 
                                                    c.name end AS

IncludedColumn 
                                                    ,i.type_desc  
                       ,i.is_primary_key,i.is_unique  
           FROM  ' 
            + @TargetDB + 
            '.sys.indexes i  
           INNER JOIN ' + 
            @TargetDB + 
            '.sys.index_columns ic  
                   ON  i.index_id    =   ic.index_id  
                   AND i.object_id   =   ic.object_id  
           INNER JOIN ' 
            + @TargetDB + 
            '.sys.columns c  
                   ON  ic.column_id  =   c.column_id  
                   AND i.object_id   =   c.object_id  
           INNER JOIN ' 
            + @TargetDB + 
            '.sys.tables t  
                   ON  i.object_id = t.object_id  
)  
SELECT ''' 
            + @TargetDB + 
            ''',c.TableName,c.IndexName,

c.type_desc,c.is_primary_key,c.is_unique  
       ,STUFF( ( SELECT '',''+ a.ColumnName FROM CTE a WHERE

c.IndexId = a.IndexId FOR XML PATH('''')),1 ,1, '''') AS Columns  
       ,STUFF( ( SELECT '',''+ a.IncludedColumn FROM CTE a

WHERE c.IndexId = a.IndexId FOR XML PATH('''')),1 ,1, '''') AS IncludedColumns  
FROM   CTE c  
GROUP  BY c.IndexId,c.TableName,c.IndexName,

c.type_desc,c.is_primary_key,c.is_unique  
ORDER  BY c.TableName ASC,c.is_primary_key DESC; '
            );

    PRINT 'Getting foreign key list!';
    PRINT Replicate('-', Len(@SourceDB) + Len(@TargetDb) + 25);

    INSERT INTO #FKLIST_SOURCE (
        DATABASENAME
        ,FK_NAME
        ,FK_TABLE
        ,FK_COLUMNS
        ,PK_TABLE
        ,PK_COLUMNS
        )
    EXEC (
            'With CTE 
                AS 
            (select OBJECT_NAME(FK.parent_object_id,db_id(''' 
            + @TargetDB + 
            ''')) PK_TABLE,      
                        C1.name PK_COLUMN, 
            object_name(FK.referenced_object_id,db_id(''' 
            + @TargetDB + 
            '''))FK_TABLE, 
            C2.name FK_COLUMN, 
            FK.name     FK_NAME 
from 
        ' 
            + @SourceDB + 
            '.sys.foreign_keys FK 
            inner join  
        ' 
            + @SourceDB + 
            '.sys.foreign_key_columns FKC 
            on FK.object_id=FKC.constraint_object_id 
            inner join  
        ' 
            + @SourceDB + 
            '.sys.columns C1  
            on FKC.parent_column_id=C1.column_id 
            and FKC.parent_object_id=C1.object_id 
            inner join  
        ' 
            + @SourceDB + 
            '.sys.columns C2 
            on FKC.referenced_column_id=C2.column_id 
            and FKC.referenced_object_id=C2.object_id                             
    ) 
SELECT ''' 
            + @SourceDB + 
            ''',C.FK_NAME, 
             C.FK_TABLE,             STUFF( ( SELECT '',''+ A.FK_COLUMN

FROM CTE a WHERE c.FK_NAME = a.FK_NAME and C.FK_TABLE=a.FK_TABLE FOR XML

PATH('''')),1 ,1, '''') AS FK_COLUMNS, 
             C.PK_TABLE,                           
             STUFF( ( SELECT '',''+ A.PK_Column FROM CTE a

WHERE c.FK_NAME = a.FK_NAME and C.PK_TABLE=a.PK_TABLE FOR XML

PATH('''')),1 ,1, '''') AS PK_COLUMNS  
FROM CTE C 
group by C.FK_NAME, 
             C.FK_TABLE,              
             C.PK_TABLE'
            )

    INSERT INTO #FKLIST_TARGET (
        DATABASENAME
        ,FK_NAME
        ,FK_TABLE
        ,FK_COLUMNS
        ,PK_TABLE
        ,PK_COLUMNS
        )
    EXEC (
            ' 
        With CTE 
AS 
(select OBJECT_NAME(FK.parent_object_id,db_id(''' 
            + @TargetDB + 
            ''')) PK_TABLE,      
            C1.name PK_COLUMN, 
            object_name(FK.referenced_object_id,db_id(''' 
            + @TargetDB + 
            '''))FK_TABLE, 
            C2.name FK_COLUMN, 
            FK.name     FK_NAME 
from 
        ' 
            + @TargetDB + 
            '.sys.foreign_keys FK 
            inner join  
        ' 
            + @TargetDB + 
            '.sys.foreign_key_columns FKC 
            on FK.object_id=FKC.constraint_object_id 
            inner join  
        ' 
            + @TargetDB + 
            '.sys.columns C1  
            on FKC.parent_column_id=C1.column_id 
            and FKC.parent_object_id=C1.object_id 
            inner join  
        ' 
            + @TargetDB + 
            '.sys.columns C2 
            on FKC.referenced_column_id=C2.column_id 
            and FKC.referenced_object_id=C2.object_id                             
    ) 
SELECT ''' 
            + @TargetDB + 
            ''',C.FK_NAME, 
             C.FK_TABLE,             STUFF( ( SELECT '',''+ A.FK_COLUMN FROM

CTE a WHERE c.FK_NAME = a.FK_NAME and C.FK_TABLE=a.FK_TABLE FOR XML

PATH('''')),1 ,1, '''') AS FK_COLUMNS, 
             C.PK_TABLE,                           
             STUFF( ( SELECT '',''+ A.PK_Column FROM CTE a WHERE

c.FK_NAME = a.FK_NAME and C.PK_TABLE=a.PK_TABLE FOR XML

PATH('''')),1 ,1, '''') AS PK_COLUMNS  
FROM CTE C 
group by C.FK_NAME, 
             C.FK_TABLE,              
             C.PK_TABLE'
            )
END;

PRINT 'Print column mismatches!';
PRINT Replicate('-', Len(@SourceDB) + Len(@TargetDb) + 25);

INSERT INTO #TAB_RESULTS (
    DATABASENAME
    ,TABLENAME
    ,COLUMNNAME
    ,DATATYPE
    ,NULLABLE
    ,REASON
    )
SELECT @SourceDB AS DATABASENAME
    ,TABLENAME
    ,COLUMNNAME
    ,DATATYPE
    ,NULLABLE
    ,REASON
FROM (
    SELECT TABLENAME
        ,COLUMNNAME
        ,DATATYPE
        ,NULLABLE
    FROM #TABLIST_SOURCE
    
    EXCEPT
    
    SELECT TS.TABLENAME
        ,TS.COLUMNNAME
        ,TS.DATATYPE
        ,TS.NULLABLE
    FROM #TABLIST_SOURCE TS
    INNER JOIN #TABLIST_TARGET TT ON TS.TABLENAME = TT.TABLENAME
        AND TS.COLUMNNAME = TT.COLUMNNAME
    ) TAB_NONMATCH
CROSS JOIN (
    SELECT 'Missing Column' AS Reason
    ) Tab2

UNION ALL

SELECT @TargetDb AS DATABASENAME
    ,TABLENAME
    ,COLUMNNAME
    ,DATATYPE
    ,NULLABLE
    ,REASON
FROM (
    SELECT TABLENAME
        ,COLUMNNAME
        ,DATATYPE
        ,NULLABLE
    FROM #TABLIST_TARGET
    
    EXCEPT
    
    SELECT TT.TABLENAME
        ,TT.COLUMNNAME
        ,TT.DATATYPE
        ,TT.NULLABLE
    FROM #TABLIST_TARGET TT
    INNER JOIN #TABLIST_SOURCE TS ON TS.TABLENAME = TT.TABLENAME
        AND TS.COLUMNNAME = TT.COLUMNNAME
    ) TAB_MATCH
CROSS JOIN (
    SELECT 'Missing column ' AS Reason
    ) Tab2

--NON MATCHING COLUMNS 
INSERT INTO #TAB_RESULTS (
    DATABASENAME
    ,TABLENAME
    ,COLUMNNAME
    ,DATATYPE
    ,NULLABLE
    ,REASON
    )
SELECT @SourceDB AS DATABASENAME
    ,TABLENAME
    ,COLUMNNAME
    ,DATATYPE
    ,NULLABLE
    ,REASON
FROM (
    SELECT *
    FROM (
        SELECT TS.TABLENAME
            ,TS.COLUMNNAME
            ,TS.DATATYPE
            ,TS.NULLABLE
        FROM #TABLIST_SOURCE TS
        INNER JOIN #TABLIST_TARGET TT ON TS.TABLENAME = TT.
            TABLENAME
            AND TS.COLUMNNAME = TT.COLUMNNAME
        ) T
    
    EXCEPT
    
    (
        SELECT TABLENAME
            ,COLUMNNAME
            ,DATATYPE
            ,NULLABLE
        FROM #TABLIST_SOURCE
        
        INTERSECT
        
        SELECT TABLENAME
            ,COLUMNNAME
            ,DATATYPE
            ,NULLABLE
        FROM #TABLIST_TARGET
        )
    ) TT1
CROSS JOIN (
    SELECT 'Definition not matching' AS REASON
    ) t

UNION ALL

SELECT @TargetDb AS DATABASENAME
    ,TABLENAME
    ,COLUMNNAME
    ,DATATYPE
    ,NULLABLE
    ,REASON
FROM (
    SELECT *
    FROM (
        SELECT TT.TABLENAME
            ,TT.COLUMNNAME
            ,TT.DATATYPE
            ,TT.NULLABLE
        FROM #TABLIST_TARGET TT
        INNER JOIN #TABLIST_SOURCE TS ON TS.TABLENAME = TT.
            TABLENAME
            AND TS.COLUMNNAME = TT.COLUMNNAME
        ) T
    
    EXCEPT
    
    (
        SELECT TABLENAME
            ,COLUMNNAME
            ,DATATYPE
            ,NULLABLE
        FROM #TABLIST_TARGET
        
        INTERSECT
        
        SELECT TABLENAME
            ,COLUMNNAME
            ,DATATYPE
            ,NULLABLE
        FROM #TABLIST_SOURCE
        )
    ) TAB_NONMATCH
CROSS JOIN (
    SELECT 'Definition not matching' AS REASON
    ) T;

PRINT 'Print index mismatches!';
PRINT Replicate('-', Len(@SourceDB) + Len(@TargetDb) + 25);

INSERT INTO #IDX_RESULTS (
    DATABASENAME
    ,TABLE_NAME
    ,IDX_NAME
    ,IDX_COLUMNS
    ,IDX_INCLUDED_COLUMNS
    ,IS_PRIMARY_KEY
    ,IS_UNIQUE
    ,REASON
    )
SELECT @SourceDB AS DATABASENAME
    ,TABLE_NAME
    ,IDX_NAME
    ,IDX_COLUMNS
    ,IDX_INCLUDED_COLUMNS
    ,IS_PRIMARY_KEY
    ,IS_UNIQUE
    ,REASON
FROM (
    SELECT TABLE_NAME
        ,IDX_NAME
        ,IDX_COLUMNS
        ,IDX_INCLUDED_COLUMNS
        ,IS_PRIMARY_KEY
        ,IS_UNIQUE
    FROM #IDXLIST_SOURCE
    
    EXCEPT
    
    SELECT TS.TABLE_NAME
        ,TS.IDX_NAME
        ,TS.IDX_COLUMNS
        ,TS.IDX_INCLUDED_COLUMNS
        ,TS.IS_PRIMARY_KEY
        ,TS.IS_UNIQUE
    FROM #IDXLIST_SOURCE TS
    INNER JOIN #IDXLIST_TARGET TT ON TS.TABLE_NAME = TT.TABLE_NAME
        AND TS.IDX_NAME = TT.IDX_NAME
    ) TAB_NONMATCH
CROSS JOIN (
    SELECT 'Missing Index n' AS Reason
    ) Tab2

UNION ALL

SELECT @TargetDb AS DATABASENAME
    ,TABLE_NAME
    ,IDX_NAME
    ,IDX_COLUMNS
    ,IDX_INCLUDED_COLUMNS
    ,IS_PRIMARY_KEY
    ,IS_UNIQUE
    ,REASON
FROM (
    SELECT TABLE_NAME
        ,IDX_NAME
        ,IDX_COLUMNS
        ,IDX_INCLUDED_COLUMNS
        ,IS_PRIMARY_KEY
        ,IS_UNIQUE
    FROM #IDXLIST_TARGET
    
    EXCEPT
    
    SELECT TT.TABLE_NAME
        ,TT.IDX_NAME
        ,TT.IDX_COLUMNS
        ,TT.IDX_INCLUDED_COLUMNS
        ,TT.IS_PRIMARY_KEY
        ,TT.IS_UNIQUE
    FROM #IDXLIST_TARGET TT
    INNER JOIN #IDXLIST_SOURCE TS ON TS.TABLE_NAME = TT.TABLE_NAME
        AND TS.IDX_NAME = TT.IDX_NAME
    ) TAB_MATCH
CROSS JOIN (
    SELECT 'Missing index ' AS Reason
    ) Tab2

--NON MATCHING INDEX 
INSERT INTO #IDX_RESULTS (
    DATABASENAME
    ,TABLE_NAME
    ,IDX_NAME
    ,IDX_COLUMNS
    ,IDX_INCLUDED_COLUMNS
    ,IS_PRIMARY_KEY
    ,IS_UNIQUE
    ,REASON
    )
SELECT @SourceDB AS DATABASENAME
    ,TABLE_NAME
    ,IDX_NAME
    ,IDX_COLUMNS
    ,IDX_INCLUDED_COLUMNS
    ,IS_PRIMARY_KEY
    ,IS_UNIQUE
    ,REASON
FROM (
    SELECT *
    FROM (
        SELECT TS.TABLE_NAME
            ,TS.IDX_NAME
            ,TS.IDX_COLUMNS
            ,TS.IDX_INCLUDED_COLUMNS
            ,TS.IS_PRIMARY_KEY
            ,TS.IS_UNIQUE
        FROM #IDXLIST_SOURCE TS
        INNER JOIN #IDXLIST_TARGET TT ON TS.TABLE_NAME = TT.
            TABLE_NAME
            AND TS.IDX_NAME = TT.IDX_NAME
        ) T
    
    EXCEPT
    
    (
        SELECT TABLE_NAME
            ,IDX_NAME
            ,IDX_COLUMNS
            ,IDX_INCLUDED_COLUMNS
            ,IS_PRIMARY_KEY
            ,IS_UNIQUE
        FROM #IDXLIST_SOURCE
        
        INTERSECT
        
        SELECT TABLE_NAME
            ,IDX_NAME
            ,IDX_COLUMNS
            ,IDX_INCLUDED_COLUMNS
            ,IS_PRIMARY_KEY
            ,IS_UNIQUE
        FROM #IDXLIST_TARGET
        )
    ) TT1
CROSS JOIN (
    SELECT 'Definition not matching' AS REASON
    ) t

UNION ALL

SELECT @TargetDb AS DATABASENAME
    ,TABLE_NAME
    ,IDX_NAME
    ,IDX_COLUMNS
    ,IDX_INCLUDED_COLUMNS
    ,IS_PRIMARY_KEY
    ,IS_UNIQUE
    ,REASON
FROM (
    SELECT *
    FROM (
        SELECT TT.TABLE_NAME
            ,TT.IDX_NAME
            ,TT.IDX_COLUMNS
            ,TT.IDX_INCLUDED_COLUMNS
            ,TT.IS_PRIMARY_KEY
            ,TT.IS_UNIQUE
        FROM #IDXLIST_TARGET TT
        INNER JOIN #IDXLIST_SOURCE TS ON TS.TABLE_NAME = TT.
            TABLE_NAME
            AND TS.IDX_NAME = TT.IDX_NAME
        ) T
    
    EXCEPT
    
    (
        SELECT TABLE_NAME
            ,IDX_NAME
            ,IDX_COLUMNS
            ,IDX_INCLUDED_COLUMNS
            ,IS_PRIMARY_KEY
            ,IS_UNIQUE
        FROM #IDXLIST_TARGET
        
        INTERSECT
        
        SELECT TABLE_NAME
            ,IDX_NAME
            ,IDX_COLUMNS
            ,IDX_INCLUDED_COLUMNS
            ,IS_PRIMARY_KEY
            ,IS_UNIQUE
        FROM #IDXLIST_SOURCE
        )
    ) TAB_NONMATCH
CROSS JOIN (
    SELECT 'Definition not matching' AS REASON
    ) T;

PRINT 'Print key mismatches!';
PRINT Replicate('-', Len(@SourceDB) + Len(@TargetDb) + 25);

INSERT INTO #FK_RESULTS (
    DATABASENAME
    ,FK_NAME
    ,FK_TABLE
    ,FK_COLUMNS
    ,PK_TABLE
    ,PK_COLUMNS
    ,REASON
    )
SELECT @SourceDB AS DATABASENAME
    ,FK_NAME
    ,FK_TABLE
    ,FK_COLUMNS
    ,PK_TABLE
    ,PK_COLUMNS
    ,REASON
FROM (
    SELECT FK_NAME
        ,FK_TABLE
        ,FK_COLUMNS
        ,PK_TABLE
        ,PK_COLUMNS
    FROM #FKLIST_SOURCE
    
    EXCEPT
    
    SELECT TS.FK_NAME
        ,TS.FK_TABLE
        ,TS.FK_COLUMNS
        ,TS.PK_TABLE
        ,TS.PK_COLUMNS
    FROM #FKLIST_SOURCE TS
    INNER JOIN #FKLIST_TARGET TT ON TS.FK_NAME = TT.FK_NAME
    ) TAB_NONMATCH
CROSS JOIN (
    SELECT 'Missing Index n' AS Reason
    ) Tab2

UNION ALL

SELECT @TargetDb AS DATABASENAME
    ,FK_NAME
    ,FK_TABLE
    ,FK_COLUMNS
    ,PK_TABLE
    ,PK_COLUMNS
    ,REASON
FROM (
    SELECT FK_NAME
        ,FK_TABLE
        ,FK_COLUMNS
        ,PK_TABLE
        ,PK_COLUMNS
    FROM #FKLIST_TARGET
    
    EXCEPT
    
    SELECT TT.FK_NAME
        ,TT.FK_TABLE
        ,TT.FK_COLUMNS
        ,TT.PK_TABLE
        ,TT.PK_COLUMNS
    FROM #FKLIST_TARGET TT
    INNER JOIN #FKLIST_SOURCE TS ON TS.FK_NAME = TT.FK_NAME
    ) TAB_MATCH
CROSS JOIN (
    SELECT 'Missing key' AS Reason
    ) Tab2

--NON MATCHING Keys 
INSERT INTO #FK_RESULTS (
    DATABASENAME
    ,FK_NAME
    ,FK_TABLE
    ,FK_COLUMNS
    ,PK_TABLE
    ,PK_COLUMNS
    ,REASON
    )
SELECT @SourceDB AS DATABASENAME
    ,FK_NAME
    ,FK_TABLE
    ,FK_COLUMNS
    ,PK_TABLE
    ,PK_COLUMNS
    ,REASON
FROM (
    SELECT *
    FROM (
        SELECT TS.FK_NAME
            ,TS.FK_TABLE
            ,TS.FK_COLUMNS
            ,TS.PK_TABLE
            ,TS.PK_COLUMNS
        FROM #FKLIST_SOURCE TS
        INNER JOIN #FKLIST_TARGET TT ON TS.FK_NAME = TT.FK_NAME
        ) T
    
    EXCEPT
    
    (
        SELECT FK_NAME
            ,FK_TABLE
            ,FK_COLUMNS
            ,PK_TABLE
            ,PK_COLUMNS
        FROM #FKLIST_SOURCE
        
        INTERSECT
        
        SELECT FK_NAME
            ,FK_TABLE
            ,FK_COLUMNS
            ,PK_TABLE
            ,PK_COLUMNS
        FROM #FKLIST_TARGET
        )
    ) TT1
CROSS JOIN (
    SELECT 'Definition not matching' AS REASON
    ) t

UNION ALL

SELECT @TargetDb AS DATABASENAME
    ,FK_NAME
    ,FK_TABLE
    ,FK_COLUMNS
    ,PK_TABLE
    ,PK_COLUMNS
    ,REASON
FROM (
    SELECT *
    FROM (
        SELECT TT.FK_NAME
            ,TT.FK_TABLE
            ,TT.FK_COLUMNS
            ,TT.PK_TABLE
            ,TT.PK_COLUMNS
        FROM #FKLIST_TARGET TT
        INNER JOIN #FKLIST_SOURCE TS ON TS.FK_NAME = TT.FK_NAME
        ) T
    
    EXCEPT
    
    (
        SELECT FK_NAME
            ,FK_TABLE
            ,FK_COLUMNS
            ,PK_TABLE
            ,PK_COLUMNS
        FROM #FKLIST_TARGET
        
        INTERSECT
        
        SELECT FK_NAME
            ,FK_TABLE
            ,FK_COLUMNS
            ,PK_TABLE
            ,PK_COLUMNS
        FROM #FKLIST_SOURCE
        )
    ) TAB_NONMATCH
CROSS JOIN (
    SELECT 'Definition not matching' AS REASON
    ) T;

--Print Final Results     
SELECT *
FROM #TAB_RESULTS

SELECT *
FROM #IDX_RESULTS

SELECT *
FROM #FK_RESULTS

SQL Script Output Screenshot

User Level to execute

200

Hope you will like to Script of 3 and last type of C. Compare Database.

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Filed under: Link, Microsoft SQL Server, MSBI, Optimization, Query, Script, SQL Mentalist, SQL PraRup, SQL Query, SQL Server, Technology,, TSQL, Vishal Pawar Tagged: DBA, Fast SQL, Microsoft SQL Server, SQL Help, SQL Mentalist, SQL Script, SQL Server, SQL Server 2008 R2, SQL Server 2012, SQL tips, SQL Tricks, TSQL, Vishal Pawar

BI SQL # 239 : SQL Server DBA Scripts : C. Compare Database

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

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