我正在使用 T-SQL 自动重建和重新组织索引。我遇到了无法在线重建的索引问题。发生这种情况主要是因为包含 ntext/nvarchar 列。
有没有办法以编程方式将它们标识为该语句的一部分?对 WHERE 谓词的补充
SELECT
--TOP 20
OBJECT_NAME(IPS.OBJECT_ID) AS [TableName], avg_fragmentation_in_percent, SI.name [IndexName],
schema_name(ST.schema_id) AS [SchemaName], 0 AS IsProcessed
INTO #FramentedTableList
FROM sys.dm_db_index_physical_stats(DB_ID(), NULL, NULL, NULL , NULL) IPS
JOIN sys.tables ST WITH (nolock) ON IPS.OBJECT_ID = ST.OBJECT_ID
JOIN sys.indexes SI WITH (nolock) ON IPS.OBJECT_ID = SI.OBJECT_ID AND IPS.index_id = SI.index_id
WHERE ST.is_ms_shipped = 0 AND SI.name IS NOT NULL
AND avg_fragmentation_in_percent >= CONVERT(DECIMAL, @FragmentationThresholdForReorganizeTableLowerLimit)
ORDER BY avg_fragmentation_in_percent DESC
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