Generate Create Statements for all indexes in a table

SELECT ' CREATE ' +
       CASE 
            WHEN I.is_unique = 1 THEN ' UNIQUE '
            ELSE ''
       END +
       I.type_desc COLLATE DATABASE_DEFAULT + ' INDEX ' +
       I.name + ' ON ' +
       SCHEMA_NAME(T.schema_id) + '.' + T.name + ' ( ' +
       KeyColumns + ' )  ' +
       ISNULL(' INCLUDE (' + IncludedColumns + ' ) ', '') +
       ISNULL(' WHERE  ' + I.filter_definition, '') + ' WITH ( ' +
       CASE 
            WHEN I.is_padded = 1 THEN ' PAD_INDEX = ON '
            ELSE ' PAD_INDEX = OFF '
       END + ',' +
       'FILLFACTOR = ' + CONVERT(
           CHAR(5),
           CASE 
                WHEN I.fill_factor = 0 THEN 100
                ELSE I.fill_factor
           END
       ) + ',' +
       -- default value 
       'SORT_IN_TEMPDB = OFF ' + ',' +
       CASE 
            WHEN I.ignore_dup_key = 1 THEN ' IGNORE_DUP_KEY = ON '
            ELSE ' IGNORE_DUP_KEY = OFF '
       END + ',' +
       CASE 
            WHEN ST.no_recompute = 0 THEN ' STATISTICS_NORECOMPUTE = OFF '
            ELSE ' STATISTICS_NORECOMPUTE = ON '
       END + ',' +
       ' ONLINE = OFF ' + ',' +
       CASE 
            WHEN I.allow_row_locks = 1 THEN ' ALLOW_ROW_LOCKS = ON '
            ELSE ' ALLOW_ROW_LOCKS = OFF '
       END + ',' +
       CASE 
            WHEN I.allow_page_locks = 1 THEN ' ALLOW_PAGE_LOCKS = ON '
            ELSE ' ALLOW_PAGE_LOCKS = OFF '
       END + ' ) ON [' +
       DS.name + ' ] ' +  CHAR(13) + CHAR(10) + ' GO' [CreateIndexScript]
FROM   sys.indexes I
       JOIN sys.tables T
            ON  T.object_id = I.object_id
       JOIN sys.sysindexes SI
            ON  I.object_id = SI.id
            AND I.index_id = SI.indid
       JOIN (
                SELECT *
                FROM   (
                           SELECT IC2.object_id,
                                  IC2.index_id,
                                  STUFF(
                                      (
                                          SELECT ' , ' + C.name + CASE 
                                                                       WHEN MAX(CONVERT(INT, IC1.is_descending_key)) 
                                                                            = 1 THEN 
                                                                            ' DESC '
                                                                       ELSE 
                                                                            ' ASC '
                                                                  END
                                          FROM   sys.index_columns IC1
                                                 JOIN sys.columns C
                                                      ON  C.object_id = IC1.object_id
                                                      AND C.column_id = IC1.column_id
                                                      AND IC1.is_included_column = 
                                                          0
                                          WHERE  IC1.object_id = IC2.object_id
                                                 AND IC1.index_id = IC2.index_id
                                          GROUP BY
                                                 IC1.object_id,
                                                 C.name,
                                                 index_id
                                          ORDER BY
                                                 MAX(IC1.key_ordinal) 
                                                 FOR XML PATH('')
                                      ),
                                      1,
                                      2,
                                      ''
                                  ) KeyColumns
                           FROM   sys.index_columns IC2 
                                  --WHERE IC2.Object_id = object_id('Person.Address') --Comment for all tables
                           GROUP BY
                                  IC2.object_id,
                                  IC2.index_id
                       ) tmp3
            )tmp4
            ON  I.object_id = tmp4.object_id
            AND I.Index_id = tmp4.index_id
       JOIN sys.stats ST
            ON  ST.object_id = I.object_id
            AND ST.stats_id = I.index_id
       JOIN sys.data_spaces DS
            ON  I.data_space_id = DS.data_space_id
       JOIN sys.filegroups FG
            ON  I.data_space_id = FG.data_space_id
       LEFT JOIN (
                SELECT *
                FROM   (
                           SELECT IC2.object_id,
                                  IC2.index_id,
                                  STUFF(
                                      (
                                          SELECT ' , ' + C.name
                                          FROM   sys.index_columns IC1
                                                 JOIN sys.columns C
                                                      ON  C.object_id = IC1.object_id
                                                      AND C.column_id = IC1.column_id
                                                      AND IC1.is_included_column = 
                                                          1
                                          WHERE  IC1.object_id = IC2.object_id
                                                 AND IC1.index_id = IC2.index_id
                                          GROUP BY
                                                 IC1.object_id,
                                                 C.name,
                                                 index_id 
                                                 FOR XML PATH('')
                                      ),
                                      1,
                                      2,
                                      ''
                                  ) IncludedColumns
                           FROM   sys.index_columns IC2 
                                  --WHERE IC2.Object_id = object_id('Person.Address') --Comment for all tables
                           GROUP BY
                                  IC2.object_id,
                                  IC2.index_id
                       ) tmp1
                WHERE  IncludedColumns IS NOT NULL
            ) tmp2
            ON  tmp2.object_id = I.object_id
            AND tmp2.index_id = I.index_id
WHERE  I.is_primary_key = 0
       AND I.is_unique_constraint = 0
           AND I.Object_id = object_id('tblERPInvoiceData') --Comment for all tables
           --AND I.name = 'IX_Address_PostalCode' --comment for all indexes

 
There is also one more on SQL Server Central:

https://www.sqlservercentral.com/Forums/Topic401784-562-3.aspx#bm1171799

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