[Product] SET ( ALLOW_PAGE_LOCKS = ON ) ALTER INDEX [PK_Product] ON [Production]. The Reorganize Index task encapsulates the Transact-SQL ALTER INDEX statement. SQL accepts the challenge of sorting the leaf-level pages in the. 15. Use the ReorganizeIndex Task dialog to move index pages into a more efficient search order. ALTER INDEX All ON tableName REORGANIZE; Rebuild or Reorganize SQL Index. > 30% ALTER INDEX REBUILD WITH (ONLINE = ON)*. Under Select a page, select Options. The first part of this tip focuses on SQL Server Enterprise Edition to reduce the duration for index maintenance for off-line rebuilds. (You could even go with 0% if you want. 1. Are there any advantages or disadvantages to using " UPDATE STATISTICS (Index name) " as opposed to "ALTER INDEX (index name) ON. On this MSDN Page it says if you should reorganize or rebuild based on the amount of fragmentation: 5% to 30% -> ALTER INDEX REORGANIZE Over 30% -> ALTER INDEX REBUILD WITH (ONLINE = ON)* However, we have noticed that even with really high fragmentation (over 95%) on large and small tables, REORGANIZE works fine. REORGANIZE is your option. You don’t need to run both against the same index. • DROP INDEX only when the user drops a non-clustered index. 1 additional answer. [dbo]. Ovaj preglednik više nije podržan. If the clustered index is being rebuilt, an exclusive table lock is held. Rebuilding indexes is done using the following statement. column_name DISABLE; ALTER INDEX index_name ON table_name REBUILD; ALTER. To work around this limitation perform an ALTER INDEX REBUILD instead of ALTER INDEX REORGANIZE or increase the file growth limit of any files that are full. By doing the index with ONLINE=ON, you should be able to minimize blocking. If the index has height greater than four, rebuild the index. 1. When the. Then try copying the data into a completely new table. REORGANIZE is your option. The scripts has some cool features like. Please sign in to rate this answer. SQL Agent doesn't connect as SA, and the rebuild index task generates a command that looks like ALTER INDEX [ci_FactInternetSales] ON [dbo]. The Rebuild Index Task uses the ALTER INDEX statement. Also trying to avoid logging to transaction log and log growth, and. . Pour plus d’informations, consultez Configurer des opérations d’index parallèles. [Table_Name] REBUILD WITH (FILLFACTOR = 80) OR - by using. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. It's better to do reorg on Nightly. Answers. dm_db_index_physical_stats fincation have index_id which display heap and index informatiob. The following advantages will be provide using alter index <name> rebuild online: o DMLs are allowed on the base table1 Answer. To resort the data use ALTER INDEX REBUILD. Then, drag and drop Rebuild Index Task into the maintenance plan designer. TEST REORGANIZE WITH (COMPRESS_ALL_ROW_GROUPS = ON) Now we have to good columnstore segment again. Index automation Job script. REORGANIZE also optimizes internal index and catalog structures. Poorly designed indexes and a lack of indexes are primary sources of database application bottlenecks. There are scripts out there that will go though and reorganize verses rebuild versus skip. indexes) [allow_page_locks] is SET to 0. ALTER INDEX All ON tableName REBUILD; This drops the index and recreates it, removing fragementation, reclaims disk space and reorders index pages. I have many DBs that are currently used for insert and delete. The Index reorganize operation is a light weight operation that is always performed online in any SQL Server edition and it shouldn’t cause any serious blockings. Right-click the index and choose rebuild and then reorganize. You can optionally specify * after the table name to explicitly indicate that descendant tables are included. This task uses the ALTER INDEX REORGANIZE statement with. Testing ALTER INDEX REBUILD with WAIT_AT_LOW_PRIORITY in SQL Server 2014. If the clustered index is being rebuilt, an exclusive table lock is held. alter index ＜インデックス名＞ reorganize どちらをどのように使い分ければよいか？ これについては、やや古いですが Microsoft のブログにそれぞれの特徴やその使い分けるタイミングについて記載がありました。Also when I try to reorganize or rebuild manually, using one of the following commands: use DBNAME. You can reorganize an index-organized table or an index-organized table partition (to recover space or improve performance) without rebuilding its secondary indexes. and even. This makes it more likely that some other session is blocked by your session, and that you may, in turn, become blocked by a lock held by that session. For a dedicated SQL pool table with an ordered CCI, ALTER INDEX. This job needs to be scheduled and ran on a weekly basis due to large data. Name IS NOT NULL. The problem I’ve been seeing is people rebuilding indexes and then updating statistics. So you should explicitly set a deadlock priority, and perhaps a retry loop, to enforce the behavior and document it. Syntax of ALTER INDEX. ”Reorganizing an index (using the old DBCC INDEXDEFRAG I wrote, or the new ALTER INDEX. Then issue some transaction log backups, next a differential backup, followed by more transaction log backups, then another differential and finally some transaction log backups. Benes Guislandi, 2011-08-10 (first published: 2011-07-06) This script execute the Reorganize or Rebuild of the index tables. The first rebuilds a single index on a table and the second rebuilds all the indexes on the table. index_id > 0 -- Indexes. ALTER INDEX [PK_SalesOrderDetailEnlarged_SalesOrderID_SalesOrderDetailID] ON [Sales]. After a couple of months, we started seeing an occasional blocking of jobs in the morning. This results in a short reorganization maintenance window. (About 1 TB of data including myIndex (non-clustered)). In other words, the progress of index reorganization cannot be obtained before SQL Server 2008. This ALTER FULLTEXT INDEX statement starts a full population, which is the default behavior of the SET SEARCH PROPERTY LIST clause. The Query Optimizer does not update statistics after DBCC INDEXDEFRAG or ALTER INDEX REORGANIZE operations. If I run the top query again, the index is still listed there with the same level of fragmentation. From another point of view. Prijeđite na Microsoft Edge, gdje vas čekaju najnovije značajke, sigurnosna ažuriranja i tehnička podrška. July 7, 2010 at 7:39 pm #1189953 . I tried running both commands separately too and still have fragmentation. Basically, an index rebuild copies the index to another place. sakuraime 2,311. Syntax: ALTER INDEX [schema. onemorecoke. Downtime required. SELECT 'ALTER INDEX ' + I. Lock durations are short and will cause minimal blocking of queries. DROP INDEX when you are dropping a clustered index offline without specifying the MOVE TO clause and nonclustered indexes do not exist. The length of time the rebuild takes is related to the size of the index, not the amount of fragmentation in it. Click OK. In the Rebuild Indexes dialog box, verify that the correct index is in the Indexes to be rebuilt grid and click OK. Just for extra noise, Azure Backup is taking. FactProductInventory’ by hostname ‘XXXXX. “Also, ALTER INDEX REORGANIZE will compact an index by trying to fill pages to the FILLFACTOR that was last specified. ALTER INDEX statement can be used to change the properties of an index, such as its fill factor or sort order, or to rebuild or reorganize the index. 此示例将在所有分区上运行 REORGANIZE。 ALTER INDEX cci_FactInternetSales2 ON FactInternetSales2 REORGANIZE; 此示例将在特定分区上运行 REORGANIZE。-- REORGANIZE a specific partition ALTER INDEX cci_FactInternetSales2 ON FactInternetSales2 REORGANIZE PARTITION = 0; C. 1. がドメイン索引である場合は、 句の有無に関係なく)、 句のみ指定できます。. Whether you rebuild or reorganize indexes depends on the following guidelines: avg_fragmentation_in_percent value Corrective statement. And again, the table undergoing. Dimulai dengan SQL Server 2016 (13. For example, the following activities can modify the state of rowgroups: index build, index reorganize, bulk insert, tuple mover compressing delta stores. ALTER INDEX index1 ON dbo. Index REORGANIZE is always serial operation. ¿ Indexes should be checked regularly if they have more leaf blocks than the table. In other words, the progress of index reorganization cannot be obtained before SQL Server 2008. 여러 개의 행 그룹이 있는 테이블을 만든 다음, REORGANIZE가 행 그룹을 병합하는 방법을 보여 줍니다. In order to resolve the index reorganization issue, we will enable the row and page level locking by altering the index as shown below: USE MSSQLTipsDemo GO ALTER INDEX [PK_Product] ON [Production]. December 3, 2010 at 12:21 pm. Assume the following conditions are true before creating the clustered index: The existing table (heap) contains 1 million rows. VeryImportantTable REBUILD; GO -- If you want to rebuild all the indexes on a table, try this code. [myTable] REORGANIZE WITH ( LOB_COMPACTION = ON ) I have the above query running for 16 days (still running), the table is a dummy table used for benchmark tests, it has over 10 Billion rows. We have shrunk the files, rebuild indexes using the offline option on those tables, but still unable to see any free space that is released. myTable REORGANIZE WITH (LOB_COMPACTION = ON)) which took around 5 hours to complete. Resolve SQL Server Database Index Reorganization Page Level Locking Problem. I used the sp_who2 procedure to see which queries were waiting, and which other query they were blocked by. Rebuild the index. m. Index Rebuild operation first drops and then recreates the index. The script below allows you to rebuild indexes for all databases and all tables within a database. indexes table. This job needs to be scheduled and ran on a weekly basis due to large data. 1 Answer. The code first adds 1. Regards EchoALTER INDEX is in fact just an alias for the forms of ALTER TABLE that apply to indexes. x) de y en Azure SQL Database, se recomienda usar ALTER INDEX REORGANIZE en lugar de ALTER INDEX REBUILD para los índices de almacén de columnas. As you can see the percent_complete tells us that this process is 22% complete along with the estimated completion time. One can also. The indexes can be reorganized using ALTER INDEX. To create a table. Update COLUMNSTORE index in DB transaction. ALTER INDEX TableDetails_UK0 ON TableDetails REBUILD WITH ( PAD_INDEX=OFF, SORT_IN_TEMPDB=ON. If you truly want to REBUILD, and you want to do it for ALL indexes on a given table, then the command would be (straight from the official docs that npe pointed you at): ALTER INDEX ALL ON mySchema. The deleted leaf rows should be less than 20%. From the documentation: “When a clustered index is dropped OFFLINE, only the upper levels of clustered indexes are removed; therefore, the operation is quite fast. ALTER INDEX. This tip will explore two features to speed up SQL Server index and statistics maintenance. Team, My Rebuild,Reorganize index job has been failing because of the following error,it is scheduled to be executed in only one db and the db is in simple mode. ALTER INDEX All ON tableName REBUILD; This drops the index and recreates it, removing fragementation, reclaims disk space and reorders index pages. REORGANIZE) more than 30% logical fragmentation, rebuild it (using DBCC DBREINDEX or ALTER INDEX. The following index operations require no additional disk space: ALTER INDEX REORGANIZE; however, log space is required. Thanks, I will try this next time. DBCC SHRINKDATABASE(WorldOfHurt, 1); And it’ll reorganize the pages in the WorldOfHurt to leave just 1% free space. がレンジ・パーティションまたはハッシュ・パーティションである. Also, some tables/indexes will hardly be fragmented. Unlike REORGANIZE on user tables, REORGANIZE on a queue is always performed as an offline operation because page level locks are explicitly disabled on queues. In this article. Table Options. For descriptions of all table options, see Section 13. I manually fired reorganize index (ALTER INDEX cci_myindex ON dbo. Recommendations and examples for indexing tables in dedicated SQL pool in Azure Synapse Analytics. This will rebuild/reorganize indexes based on configurable thresholds and options. SSC Guru. ALTER INDEX [indexName] ON tableName REORGANIZE. What you might want to do, if you still insist on defragmenting your indexes, is to do ALTER INDEX REORGANIZE instead. インデックスの断片化の状態がわかったら、それによってインデックス (index) を再構成 (Reorganize)するか、または再構築 (Rebuild) するか決定します。. Specify the name of the maintenance plan. The reorganize process reorganizes the leaf nodes of the index physically to match it with the logical order, this physical order matching the logical order improves the performance of index scans. When a clustered index is dropped ONLINE, SQL Server rebuilds the heap two times, once for step 1 and. Keep in mind that, depending on the amount of indexed data, a master merge may take some time to complete. Rebuilding indexes is done using the following statement. Columnstore index, both clustered and nonclustered, can get fragmented like any other index. tablespace_name. ALTER INDEX __NAME_OF_INDEX__ ON __NAME_OF_TABLE__ REBUILD. They can also remove. For an [!INCLUDEssazuresynapse-md] table with an ordered clustered columnstore index, ALTER INDEX REORGANIZE does not re-sort the data. REORGANIZE ), so that’s the topic for this post. So let's say AdventureWorks2014 was 1GB and it's using 100MB space. 20, “CREATE TABLE Statement”. Nota En SQL Server 2012 (11. Master merging a large amount of data can create a long running transaction, delaying truncation of the transaction log during checkpoint. There needs to be an automated Index defragmentation job that will either reorganize or rebuild the indexes based on the fragmentation level for a specific table in a specific database. alter index all on dbo. In SQL Server, the ALTER INDEX statement is used to modify an existing index. Lorsque vous exécutez ALTER INDEX REORGANIZE, avec ou sans LOB_COMPACTION, la valeur de degré maximal de parallélisme correspond à une opération de thread unique. Ok i am confused, i was replacing my "alter index reorganize" part with the "execution dbo. Changing the table's owner automatically changes the index as well. However, the actual values may vary from case to case. There's a difference between REORGANIZE and REBUILD. [myTable] REORGANIZE WITH ( LOB_COMPACTION = ON ) I have the above query running for 16 days (still running), the table is a dummy table used for benchmark tests, it has over 10 Billion rows. 3. ALTER INDEX ON REORGANIZE . This prevents modifications to the table. ALTER TABLE myHeap REBUILD; And for clustered indexes: ALTER INDEX IX_myIndex ON myTable REBUILD; I have two questions:Hi Folks, Todays’ post is about the ‘Rebuilding the Indexes’ criteria used by the ConfigMgr Maintenance task when it runs as per schedule. We will use 3 statements in order to show the blocking: ALTER INDEX. TEST REORGANIZE We get our open delta store again, which will cause locking. 5. So your db need to have: data space to accomodate your new index, data space to make a sort since you used SORT_IN_TEMPDB = OFF, and it needs log to be large. Reorganize has some advantages and disadvantages, due to the way it works… and it works completely different compared to the index rebuild operation. Monitor tempdb during rebuild operations. Before you execute the query you can disable the background tuple mover task by using the trace flag 634. 000). REORGANIZE command (more details on this command and its usage are given below). REBUILD will not just rebuild index, but also force update of corresponding statistics. For more information on ordered clustered columnstore indexes, see Performance tuning with ordered clustered columnstore index. Note In SQL Server 2012 (11. ALTER INDEX ALL ON dbo. ROIR_Test4 REBUILD WITH ( RESUMABLE = ON, ONLINE = ON ); The result is quite sad: Msg 11433, Level 15, State 1, Line 17 'ALTER INDEX ALL' with RESUMABLE option is not. When you don't explicitly name the constraint / index, a name is auto-generated. REORGANIZE WITH (LOB_COMPACTION = ON) to compact LOB pages of the underlying heap (this will leave the disabled indexes alone); Perform ALTER TABLE . TABLE. Right-click on the index and select Rebuild. I already tried an ALTER INDEX REORGANIZE just in case. And again, the table undergoing index maintenance and the table in the. For more info about the options described on this page, see ALTER INDEX (Transact-SQL). ALTER INDEX ALL ON ExecQueryWaitStats REBUILD. ALTER INDEX ALL ON [table_name] REORGANIZE; However, if you want to rebuild all the indexes on the. Solution. Rename the task to Index. x), you can create nonclustered B-tree or rowstore indexes as secondary indexes on a clustered columnstore index. [TBLTest] REBUILD WITH (MAXDOP = 2) This statement executes successfully without errors but again, when I check the properties of the index it's still at 0. Microsoft describes in the link below how you can check the fragmentation of indices on tables in MSSQL and then how you can re-organize (re-build) the indices to reduce the fragmentation percentage. ----- This article - Optimize index maintenance to improve query performance and reduce resource consumption helps you decide when and how to perform index maintenance. Rebuild INDEX sort in tempdb. x) dan SQL Server 2014 (12. Let us try to rebuild the columnstore index online in SQL Server 2017 and SQL Server 2019. For example, consider There are 2 tablesONLINE options in Azure SQL DB, SQL Server 2008+. It. Causes of poor columnstore index quality Enable Row Level and Page Level Locks. When I detect the index has the option turned off, I perform the following steps:ALTER INDEX REORGANIZE; however, log space is required. Designing the SQL Server Reorganize Index Task Perform ALTER INDEX ALL . Shrinks AdventureWorks2014 to have 50% free space, runs shrinks in 25MB. In the Index Properties dialog box, make the desired changes. The effect delivered is that REORGANIZE "conditions" a whole lot of indexes in such a fashion as to perpetuate page splits, which is both logical and physical (page density) fragmentation at its. August 1, 2013 at 3:52 pm. Here are a couple of examples. Improve this answer. Reorganize is. PARTITION Only rebuild/reorganize one partition of the index. For the 'best possible' results REBUILD offline, with MAXDOP = 1, and SORT_IN_TEMPDB = ON. Parallel index execution and the MAXDOP index option apply to the. ALTER INDEX ALL ON Adventureworks. . ALTER INDEX [IX_beerfilter_FloatTable_DateAndTime] ON [dbo]. In the query window, paste the WSUSDBMaintenance script (T-SQL script) and click Execute. ;WITH cte AS ( SELECT object_id, index_id, partition_number, rows, ROW_NUMBER () OVER (PARTITION BY object_id, index_id, partition_number. Indexes with small number of pages (<1000) will usually. . Thanks for your. To create a table. You must rebuild each partition or subpartition. Yes. If ONLY is not specified, the table and all of its descendant tables (if any) are updated. To re-sort data, use ALTER INDEX REBUILD. Change the properties of an index. storage_parameter. This form of REINDEX cannot be executed inside a transaction block when used with a partitioned index. Beginning with SQL Server 2016 (13. AFAIK, In the Alter index statement if we use MAXdop option it is only specific for that index operation and not applicable whenever the index is used by a query. If index is a local index. So why is this a problem? Well, it depends :-)SORT_IN_TEMPDB means that SQL server will use tempdb to allocate the temporary space as opposed to allocating space in the user database whose index is being rebuild. 例えば、10 % 以上 30 % 未満であれば再構成 (Reorganize)、 30% 以上であれば再構築 (Rebuild) するとすれば、. The problem is that this ALTER INDEX blocks the web server SPIDs & the whole things locks up for an hour & an admin has to go in & kill the index spid. 前提条件 . avg_fragmentation_in_percent >5% and <=30% do Reorganize index >30% do Rebuild index you can get fragmetation % from sys. There are several other supportability improvements on the Columnstore front. The equivalent statistics update can be achieved by: UPDATE STATISTICS . For more information, see Columnstore index rowgroup. To create SQL database maintenance plan, launch SQL Server Management Studio > expand the database instance > Management > right-click on the maintenance plan > New Maintenance Plan. 1. Recreate the specified index. [FactInternetSales] REBUILD PARTITION = ALL WITH. ALTER INDEX. If you need to modify the properties of an index or reorganize or rebuild an index, you can use ALTER INDEX as follows. 1,253 1 1 gold. Check the new table size using sp_spaceused "tablename". DBREINDEX = rebuild a copy of the index (es) from scratch. Agustin Coronel Agustin Coronel. Divides indexes in categories, and performs the default operations on each category: Indexes with low fragmentation (fragmentation is less than 5%) – No maintenance operations are performed; Indexes with medium fragmentation (fragmentation ranges between 5% and 30%) – The procedure will first attempt to reorganize indexes. The reason that your index rebuild isn't completing is because of the LCK_M_SCH_M wait type. Click OK. Increasing MAXDOP. For maintenance i create a procedure that: -Shrink Database file (if is enabled) -Shrink Database log file. Too many full-text index fragments in the full-text index, can lead to substantial degradation in query performance. They work differently toward the same end. Expand the Indexes folder. In fact, if an index is UNUSABLE the truncate will actually mark it as USABLE by the very fact that it knows there are no rows. [Item] REORGANIZE . There are scripts out there that will go though and reorganize verses rebuild versus skip. or to reorganize use: ALTER INDEX __NAME_OF_INDEX__ ON __NAME_OF_TABLE__ REORGANIZE. Henrik Høyer. alter index ALL on dbo. The Reorganize Index task also includes an option to compact large object data. [dbo]. SQL Server 2019 adds resumable online index creation, and it’s pretty spiffy: Transact-SQL. The name of an index-method-specific storage parameter. The ways I can think around this problems are: 1) set the database to simple recovery mode while you run the reorganize, but you said that isn't acceptable Example #. After trying each the above options, I tried scripting the index as a Create statement and I don't see the MAXDOP option in the script. Comments. The default is ON. Disabling an index prevents user access to the index, and for clustered indexes, to the underlying table data. It gives you better advantage when tempdb is. REBUILD (to remove forwarding pointerns in a heap) and ALTER INDEX. INDEX. The MSDN ALTER INDEX page says "An index cannot be reorganized when ALLOW_PAGE_LOCKS is set to OFF. However, ALTER TABLE ignores DATA. In general, a common plan for index maintenance is as follows: Perform an index reorganization with the compress_all_row_groups option on after any large data load, or on a semi-regular basis. You need the name to be able to drop the index. ALTER INDEX TableDetails_UK0 ON TableDetails REBUILD WITH ( PAD_INDEX=OFF, SORT_IN_TEMPDB=ON. We are seeing an issue wherein millions of records are deleted from the tables that have column QUERY_BLOB(data type ntext), but the table usage is still the same. An index cannot have an owner different from its table's owner. Expand the Indexes folder. . Sorted by: 1. Index REORGANIZE operations are an excellent way to combine undersized rowgroups, assuming they do not suffer from dictionary size limitations. TEST REORGANIZE WITH (COMPRESS_ALL_ROW_GROUPS = ON) With very large indexes, rebuilds take longer, generate more log, impact performance more while they’re running. The index fragmentation level can be found using the sys. We would like to show you a description here but the site won’t allow us. A partir SQL Server 2016 (13. In general, two major factors affect the quality of a CCI: Compact rowgroups and metadata - The actual rowgroup count is close to the ideal count for the number of rows in the rowgroup. First, make sure you're checking index fragmentation and only rebuilding indexes that actually need it. 1 avg_fragmentation_in_percent. PS C:> Invoke-DbaDbShrink -SqlInstance sql2014 -Database AdventureWorks2014 -PercentFreeSpace 50 -FileType Data -StepSize 25MB. In this article. See this blog post for details. To work around this limitation perform an ALTER INDEX REBUILD instead of ALTER INDEX REORGANIZE or increase the file growth limit of any files that are full. Right-click the index that you want to modify and then click Properties. In this example, first, I’ll create a new non-clustered index by specifying ONLINE, RESUMABLE, and a MAXDOP of two. a) Leave clustered indexes enabled - or you can't access the table. For a dedicated SQL pool table with an ordered CCI, ALTER INDEX REBUILD will re-sort the data using tempdb. Your replica/ mirrors may fall behind. x) and in Azure SQL Database, we recommend using ALTER INDEX REORGANIZE instead of ALTER INDEX REBUILD for columnstore indexes. Nonclustered index A contains 1 million rows. REBUILD Is a BLOCKING operation, unless you have SQL Server Enterprise Edition. Eğer merak ettikleriniz olursa bana linkedin hesabımdan ulaşabilirsiniz. If a nonclustered index is being rebuilt, a shared lock is held on the table in question during the operation. Dedicated SQL pool offers several indexing options including clustered columnstore indexes, clustered indexes and nonclustered indexes, and a non-index option also known as heap. The nonclustered B. REBUILD. (In fact if you are alter any indexes, the data stored in the index will be rearranged to fit to the new definition). Select Allow online DML processing, and choose True from the list, and then click OK. ON [my]. First off: ‘Reorganize’ and ‘Rebuild’ are two different operations that each reduce fragmentation in an index. In previous versions of SQL Server, we might need to cancel the index maintenance operation either due to running out of time in the maintenance period, blocking issues or maybe low disk space due to the transaction log filling up. When you rebuild, SQL creates a new fresh index. I suspect the reorganize is compacting the index after the rebuild and thus moving quite a bit of data around. After rebuilding and reorganizing, right-click the index and click Properties > Fragmentation. VeryImportantTable REBUILD; GO -- If you want to rebuild all the indexes on a table, try this code. The name (possibly schema-qualified) of an existing index to alter. DROP INDEX when you are. The index uses no dictionary: primary_dictionary_id and secondary_dictionary_id are -1 for all segments. I suspect the reorganize is compacting the index after the rebuild and thus moving quite a bit of data around. Select Maximum degree of parallelism, and then enter some value between 1 and 64. When you create or rebuild an index, by setting the SORT_IN_TEMPDB option to ON you can direct the SQL Server Database Engine to use tempdb to store the intermediate sort results that are used to build the index. REORGANIZE instead of REBUILD. 例えば、10 % 以上 30 % 未満であれば再構成 (Reorganize)、 30% 以上であれば再構築 (Rebuild) するとすれば、上記の.