T SQL para reconstruir todos los índices en una base de datos
DECLARE @DatabaseName NVARCHAR(MAX) = '[database]'
DECLARE @CurrentSchemaName NVARCHAR(MAX)
DECLARE @CurrentIndexName NVARCHAR(MAX)
DECLARE @CurrentTableName NVARCHAR(MAX)
DECLARE @CmdRebuidIndex NVARCHAR(MAX)
DECLARE @tempIndexTable TABLE
(
RowID int not null primary key identity(1,1),
IndexName NVARCHAR(MAX),
IndexType NVARCHAR(MAX),
TableName NVARCHAR(MAX),
SchemaName NVARCHAR(MAX),
AvgFragmentationInPercent FLOAT,
ObjectTypeDescription NVARCHAR(MAX)
)
INSERT INTO @tempIndexTable (IndexName, IndexType, TableName, SchemaName, AvgFragmentationInPercent, ObjectTypeDescription) (
SELECT
i.[name],
s.[index_type_desc], --s.[index_type_desc]
o.[name],
sch.name,
s.[avg_fragmentation_in_percent],
o.type_desc
FROM
sys.dm_db_index_physical_stats (DB_ID(@DatabaseName), NULL, NULL, NULL, NULL) AS s INNER JOIN
sys.indexes AS i ON s.object_id = i.object_id
AND s.index_id = i.index_id INNER JOIN
sys.objects AS o ON i.object_id = o.object_id INNER JOIN
sys.schemas AS sch ON sch.schema_id = o.schema_id
WHERE (s.avg_fragmentation_in_percent > 30 and (i.[Name] like '%IX%' OR i.[Name] like '%PK%'))
)
PRINT 'Indexes to rebuild:'
SELECT * FROM @tempIndexTable;
--RETURN; -- Uncomment this line if you want to run the command
DECLARE @totalCount INTEGER
SELECT @totalCount = count(1) FROM @tempIndexTable
DECLARE @counter INTEGER = 1
WHILE(@counter <= @totalCount)
BEGIN
SET @CurrentIndexName = (SELECT top 1 IndexName FROM @tempIndexTable WHERE RowID = @counter);
SET @CurrentTableName = (SELECT top 1 TableName FROM @tempIndexTable WHERE RowID = @counter);
SET @CurrentSchemaName = (SELECT top 1 SchemaName FROM @tempIndexTable WHERE RowID = @counter);
PRINT 'Rebuild starting (' + convert(VARCHAR(5), @counter) + '/' + convert(VARCHAR(5), @totalCount) + ') [' + @CurrentIndexName +
'] ON [' + @CurrentSchemaName + '].[' + @CurrentTableName + '] at '
+ convert(varchar, getdate(), 121)
BEGIN TRY
SET @CmdRebuidIndex = 'ALTER INDEX [' + @CurrentIndexName + '] ON [' + @CurrentSchemaName + '].[' + @CurrentTableName + '] REBUILD PARTITION = ALL WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, ONLINE = ON, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON)'
EXEC (@CmdRebuidIndex)
PRINT 'Rebuild executed [' + @CurrentIndexName + '] ON [' + @CurrentSchemaName + '].[' + @CurrentTableName + '] at ' + convert(varchar, getdate(), 121)
END TRY
BEGIN CATCH
PRINT 'Failed to rebuild [' + @CurrentIndexName + '] ON [' + @CurrentSchemaName + '].[' + @CurrentTableName + ']'
PRINT ERROR_MESSAGE()
END CATCH
SET @counter += 1;
END
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