Expand the Indexes node. 4) You cannot change the value of the PCTFREE parameter for the index as a whole (ALTER INDEX). 그러므로 파일. (I sometimes find that people are doing both against every index in a maintenance plan. If you’re using high availability features like Availability Groups or database mirroring that stream the log between replicas, generating a lot of log data very quickly can create problems. x), you can create nonclustered B-tree or rowstore indexes as secondary indexes on a clustered columnstore index. Mar 8, 2021, 2:47 PM. The ALTER INDEX. To address fragmentation, you can rebuild or reorganize indexes regularly. 2) You cannot rebuild an entire partitioned index. . Improve this answer. ALTER INDEX [indexName] ON tableName REORGANIZE. ALTER INDEX ALL ON [table_name] REORGANIZE; However, if you want to rebuild all the indexes on the. Then we join the Reorganize Index Task with the Update Statistics Task by the precedence constraint (the green arrow). For example, you can add or remove a column from the index key, or change the setting of an index option. After rebuilding and reorganizing, right-click the index and click Properties > Fragmentation. [AttributeInternal] REORGANIZE WITH ( LOB_COMPACTION = ON )" failed with the following error: "The index "IX_AttributeInternal_Name" (partition 1) on table "AttributeInternal" cannot be reorganized because page level locking is disabled. The ONLINE option is not saved anywhere, it affects only the current statement that creates or rebuilds the index, even though some of the options are saved in sys. I know the sql to perform this action on all indexes in a table is. This allows you to interrupt the rebuild and preserve the work already done. 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。. Large tables should be in their own full-text catalog. PS C:> Invoke-DbaDbShrink -SqlInstance sql2014 -Database AdventureWorks2014 -PercentFreeSpace 50 -FileType Data -StepSize 25MB. In order to complete they need a very high level of lock: a schema modification lock (SCH-M). Check total_pages in sys. And if the reorganize is a deadlock. ALTER INDEX ON REORGANIZE . It can only be fixed by doing an ALTER INDEX. partition_number The number of an existing index partition to rebuild/reorganize. Recreate all indexes of the specified table. alter index reorganize 문을 사용하면 작업에서 파일 그룹 내의 다른 파일이 아닌 동일한 파일에만 임시 작업 페이지를 할당할 수 있으므로 인덱스가 포함된 데이터 파일에 사용 가능한 공간이 있어야 합니다. 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. –Rebuild/Reorganize indexes on all the tables on a database based on the fragmentation. #1592569. Or exclude the ALTER operation using WHERE clause ( [allow_page_locks] = 0) on these indexed tables. Update COLUMNSTORE index in DB transaction. Share. (You could even go with 0% if you want. column_name DISABLE; ALTER INDEX index_name ON table_name. On this MSDN Page it says if you should reorganize or rebuild based on the amount of fragmentation:. To rebuild an index means to create anew one, then drop the old one. [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. If the clustered index is being rebuilt, an exclusive table lock is held. Rebuild the index. 1. 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]. There are 3 Columns to look out for 1. One of the major reasons I wrote DBCC INDEXDEFRAG for SQL Server 2000 was as an online alternative to DBCC DBREINDEX. I have many DBs that are currently used for insert and delete. Yes. In the Rebuild Indexes dialog box, verify that the correct index is in the Indexes to be rebuilt grid and click OK. I use SQL Server 2008 R2, I need to rebuild the index for every table in a database. Specify the name of the maintenance plan. 1) The first step is to export the data from the index-organized table. I got no errors, but I still have fragmentation. The database has READ_COMMITTED_SNAPSHOT enabled. Testing ALTER INDEX REBUILD with WAIT_AT_LOW_PRIORITY in SQL Server 2014. [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. Expand the Indexes folder. REORGANIZE index. An index rebuild will always build a new index, even if there’s no fragmentation. 3) Load data. The Query Optimizer updates statistics when you rebuild an index on a table or view with ALTER INDEX REBUILD or DBCC DBREINDEX, however this statistics update is a byproduct of re-creating. 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. ALTER INDEX PK_MyFragmentedIndex ON dbo. Expand the table in which the index belongs and then expand Indexes. Otherwise you're holding an exclusive lock on the table/partition before you start the reorganize. This query creates the necessary ALTER INDEX statements to correct the. Dimulai dengan SQL Server 2016 (13. 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. 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. DBREINDEX = REBUILD option "Rebuilding Indexes" +in this link. For all of the column statistics on a partitioned table with a clustered columnstore index, you can just do a one-time conversion by doing something like: SQL. below line will remove the NULL value from the query. We can however get it back to a compressed segment by issuing the following command we saw previously. 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. ALTER INDEX [XPKItem] ON [dbo]. You can read more on rebuilding indexes here . First off: ‘Reorganize’ and ‘Rebuild’ are two different operations that each reduce fragmentation in an index. I used the sp_who2 procedure to see which queries were waiting, and which other query they were blocked by. ALTER INDEX ALL ON ExecQueryWaitStats REBUILD. The tuple mover has done its job and all row groups are in the compressed state. In this article. Also, since this is a non-clustered index, you could drop and then create the index. ALTER INDEX (Transact-SQL) Preskoči na glavni sadržaj. You don’t need to run both against the same index. partition_number The number of an existing index partition to rebuild/reorganize. In SQL Server, you can use ALTER INDEX with the REORGANIZE or REBUILD option. While that might allow ALTER INDEX REORGANIZE to run, it could also introduce any number of other problems into the environment that are worse than not being able to simply reorganize an index. Your new index will have the size non less than the size of disabled index. Your replica/ mirrors may fall behind. Reorganizing an index uses minimal system resources. RedDk 31-Aug-13 15:32pm. Rebuild if > 30%. All other index DDL operations require additional temporary disk space to use during the operation, and permanent disk space to store the. any update on the old index will also get applied to the new index. Select Allow online DML processing, and choose True from the list, and then click OK. After a couple of months, we started seeing an occasional blocking of jobs in the morning. 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. The equivalent statistics update can be achieved by: UPDATE STATISTICS . Comments. So an index reorganize is extremely space efficient, and is one of the reasons I wrote the original DBCC INDEXDEFRAG for SQL Server 2000 (the predecessor of ALTER INDEX. If you’re using high availability features like Availability Groups or database mirroring that stream the log between replicas, generating a lot of log data very quickly can create problems. Create a maintenance plan. I manually fired reorganize index (ALTER INDEX cci_myindex ON dbo. This job needs to be scheduled and ran on a weekly basis due to large data. This caused the system to reorganize or rebuild some indexes even. Downtime required. and even. If a nonclustered index is being rebuilt, a shared lock is held on the table in question during the operation. When we cancel the index rebuild, we need. This statement essentially merges all the fragments into a single larger. Method 2: Set Change_Tracking to Manual, by using the following command: ALTER FULLTEXT INDEX ON table_name. Add a Solution. This task uses the ALTER INDEX REORGANIZE statement with. Select Allow online DML processing, and then select True from the list. Since ONLINE rebuild is not an oprion for you (Enterprise only and you are on Standard), ALTER INDEX. ALTER INDEX . Then try copying the data into a completely new table. March 1, 2013 at 1:53 pm. (About 1 TB of data including myIndex (non-clustered)). alter index all on dbo. 1 Answer. An index cannot have an owner different from its table's owner. 4 Answers. ALTER INDEX [ix_EvtRowChksum] ON [WinPerfDataSQL]. REORGANIZE, UPDATE STATISTICS and a simple SELECT statement. Shrinks AdventureWorks2014 to have 50% free space, runs shrinks in 25MB. ALTER INDEX [name_of_the_index] ON [table_name] REORGANIZE; If you want to reorganize all the indexes on any table, you can run the following syntax. m. To solve your error, you'll need to use dynamic SQL to build and run your query. Agustin Coronel Agustin Coronel. Disabling an index prevents user access to the index, and for clustered indexes, to the underlying table data. If we. Expand the table on which you want to reorganize an index. Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance When you perform online index operations, the following guidelines apply: Clustered indexes must be created, rebuilt, or dropped offline when the underlying table contains the following large object (LOB) data types: image, ntext, and text. In short, the new Merge functionality in INDEX REORGANIZE simplifies Columnstore index maintenance significantly and other DMV’s add visibility into the internals of columnar indexes. For more information, see Data Types (Transact-SQL). 3. Sorted by: 1. In order to keep the fragmentation ratio of indices low, you should re-organize the indices from time to time on MSSQL. REORGANIZE. ALTER INDEX CCI_TEST on DBO. In this article. table_options signifies table options of the kind that can be used in the CREATE TABLE statement, such as ENGINE, AUTO_INCREMENT, AVG_ROW_LENGTH, MAX_ROWS, ROW_FORMAT, or TABLESPACE. 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. Change the properties of an index. When I run a maintenance plan to reorganize and rebuild tables indexes, it fails. The scripts has some cool features like. 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. IndexOptimize is the SQL Server Maintenance Solution’s stored procedure for rebuilding and reorganizing indexes and updating statistics. Are there any advantages or disadvantages to using " UPDATE STATISTICS (Index name) " as opposed to "ALTER INDEX (index name) ON. [TableName] REBUILD GO-- Check that only clustered index is enabled SELECT OBJECT_NAME (OBJECT_ID), Name, type_desc, is_disabled FROM sys. Pour plus d’informations, consultez Configurer des opérations d’index parallèles. Below are steps : 1) Provision an Automation Account if you don’t have any, by going to and select New > Management > Automation Account. below is the script that i use to reorganize the index. Scale back down once the index rebuild is complete. Frequency of the maintenance should be considered with the goal of minimizing impact of log generation. One can also. 이 예제에서는 ALTER INDEX REORGANIZE 명령의 작동 방식을 보여 줍니다. I need to change the default value for the ONLINE option of almost all of the indexes to ON so that rebuilding an indexes with this script: ALTER INDEX [Index1]|ALL ON [Table1] REBUILD; will do the same as: ALTER INDEX [Index1]|ALL ON [Table1] REBUILD WITH (ONLINE = ON); I have to do it without recreating the indexes. Possible failure reasons: Problems. I have an index rebuild and reorganize script to alter rebuild or alter reorganize based on fragmentation in SQL Server. So in order to fix my issue I went ahead and rebuild my index which fixed the issue. REORGANIZE) more than 30% logical fragmentation, rebuild it (using DBCC DBREINDEX or ALTER INDEX. To resort the data use ALTER INDEX REBUILD. onemorecoke. ALTER INDEX ALL ON Adventureworks. This form of REINDEX cannot be executed inside a transaction block when used with a partitioned index. You need the name to be able to drop the index. In. This removes fragmentation, reclaims disk space by compacting the pages based on the specified or existing fill factor setting. x), REORGANIZE solo se usa para comprimir los grupos de filas CLOSED en el almacén. I suspect the reorganize is compacting the index after the rebuild and thus moving quite a bit of data around. Starting with SQL Server 2016 (13. The Query Optimizer does not update statistics after DBCC INDEXDEFRAG or ALTER INDEX REORGANIZE operations. Too many full-text index fragments in the full-text index, can lead to substantial degradation in query performance. Expand the database table on which you want to rebuild the index online. The guidance from Microsoft is that indexes be rebuilt if the fragmentation is over 30% and reorganized if the fragmentation is between 5 and 30%. ALTER INDEX [myIndex] ON [dbo]. The operation can also be interrupted without losing work already completed. x) and in Azure SQL Database, we recommend using ALTER INDEX REORGANIZE instead of ALTER INDEX REBUILD for columnstore indexes. This is a simple problem to solve. To re-sort data, use ALTER INDEX REBUILD. There is all reason to only rebuild index that are fragmented, and a good maintenance. Table Options. The below stored procedure will reorganize the index if the fragmentation is between 10% and 30%. “Also, ALTER INDEX REORGANIZE will compact an index by trying to fill pages to the FILLFACTOR that was last specified. Because of this I ended up with a huge number of row-groups (> 470. Index automation Job script. The fix is to update all rebuild index scripts. • ALTER INDEX REORGANIZE, But the user needs to use log space. Note: One thing ALTER INDEX does not allow you to do is change the set of columns that comprises the. 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. Your replica/ mirrors may fall behind. The script below allows you to rebuild indexes for all databases and all tables within a database. Index types. Here is the syntax of the ALTER INDEX Rebuilding index. Document table. Reorganizing an index only deals with the fragmentation that exists, and the more fragmentation there is, the longer a reorganize will take. You can still run the index reorg/rebuild as part of your maintenance scripts. Querying sys. Reorganize the index. Users(DisplayName) WITH (ONLINE = ON, RESUMABLE = ON, MAX_DURATION = 1); Those parameters mean: ONLINE = ON means you’ve got the money for Enterprise Edition. SELECT 'ALTER INDEX all ON ' + name + ' REORGANIZE;' + CHAR(10) + 'ALTER INDEX all ON ' + name + ' REBUILD;' FROM sys. Compressed rowgroups - Rowgroups are using columnstore compression. The nonclustered B. But commit your whole transaction before reorganize. Preuzimanje pregledača Microsoft Edge Više. Basically, an index rebuild copies the index to another place. You must rebuild each partition or subpartition. The name of an index-method-specific storage parameter. Rebuilding indexes is done using the following statement. Recommend 7 or less. Partitions can be rebuilt individually. REBUILD) and reorganizing an index (using ALTER INDEX. 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 acceptableExample #. Expand the table on which you want to reorganize an index. To reorganize index SQL Server, right-click it & choose Reorganize. Typically if page locks have been disabled on an index there is a really good reason why, so recommending that someone blindly change that. There's a difference between REORGANIZE and REBUILD. Tip For general guidance regarding index fragmentation, when fragmentation is between 5% and 30%, reorganize the index. Alter Index in PostgreSQL 9. In Oracle, you can use the Alter Index Rebuild command to rebuild indexes. 2) The second step is to completely drop the table from the database. Expand the specific table. Large object data is data with the image, text, ntext, varchar (max), nvarchar (max), varbinary (max), or xml data type. Acest browser nu mai este acceptat. [TableName] REORGANIZE WITH (COMPRESS_ALL_ROW_GROUPS = ON) The transaction can take a long time. object_id = t. 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. ), which reorganizes all the indexes on the. 5. IndexOptimize is supported on SQL Server 2008, SQL Server 2008 R2, SQL Server 2012, SQL Server 2014, SQL Server 2016, SQL Server 2017, SQL Server 2019, SQL Server 2022, Azure SQL Database, and Azure SQL. In this example, the code creates a daily SQL Agent job that runs at 23:30 (11:30 p. For the first question: Yes, when you change the CLUSTERED INDEX, it means that the data will be rearranged. REBUILD will not just rebuild index, but also force update of corresponding statistics. Solution. Select Options under Select a page. The option for enabling the Rebuild Indexes is shown below –. The index reorganize operation will use single thread only, regardless of the SQL Server Edition used. I am using the following to rebuild the index. Right-click the index you want to reorganize and select Rebuild. Unlike DBCC INDEXDEFRAG, or ALTER INDEX with the REORGANIZE option, DBCC DBREINDEX is an offline operation. IndexOptimize is supported on SQL Server 2008, SQL Server 2008 R2, SQL Server 2012, SQL Server 2014, SQL Server 2016, SQL Server 2017, SQL Server 2019, SQL Server 2022, Azure SQL Database, and Azure SQL. [Table_Name] REBUILD OR - to rebuild all the indexes in the table. To resort the data use ALTER INDEX REBUILD. December 3, 2010 at 12:21 pm. ALTER INDEX . Important. Index Rebuild operation first drops and then recreates the index. Faceți upgrade la Microsoft Edge pentru a profita de cele mai noi funcții, actualizări de securitate și asistență tehnică. Particularly if you are in full recovery. The following example associates the DocumentPropertyList property list with the full-text index on the Production. DBREINDEX = rebuild a copy of the index (es) from scratch. Compacting this data can improve disk space use. Columnstore supports index defragmentation by removing deleted rows without the need to explicitly rebuild the index. -- Test 2: ALTER INDEX REBUILD-- Rebuliding should work fine ALTER INDEX [PK_TableName] ON [dbo]. More actions . x) implemented major performance improvements for these index operations. 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. If ONLY is specified, only that table is altered. The syntax for rebuilding indexes is very simple, we just add the "WITH ONLINE=ON" clause to the ALTER INDEX command. Add B-tree nonclustered indexes for efficient table seeks. Data pump (expdp, impdp) – Offline method to transfer data and reorganize tables. The following index operations require no additional disk space: ALTER INDEX REORGANIZE; however, log space is required. " I'm modifying our index reorg/rebuild process to be sensitive to indexes that have ALLOW_PAGE_LOCKS turned OFF. There was formerly an ALTER INDEX OWNER variant, but this is now ignored (with a warning). Expand the Indexes folder. Below is an example of this technique, where the @PartitonNumber value can be changed in a restart scenario. Rebuilding indexes online does not affect to table base. What is index fragmentation, and why is it a concern?Index fragmentation occurs when data pages within an index are disordered or scattered. Our Production instance is running SQL Server 2014. ALTER INDEX [PK_SalesOrderDetailEnlarged_SalesOrderID_SalesOrderDetailID] ON [Sales]. table_options signifies table options of the kind that can be used in the CREATE TABLE statement, such as ENGINE, AUTO_INCREMENT, AVG_ROW_LENGTH, MAX_ROWS, ROW_FORMAT, or TABLESPACE. ¿ Reorganize fragmented indexes. 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. ALTER INDEX [myIndex] ON [dbo]. Yes. ALTER INDEX CCI_TEST on DBO. Click the plus sign to expand the table on which you want to rebuild an index online. REORGANIZE, or to rebuild the index using ALTER INDEX. REORGANIZE statement removes deleted rows, based on an internally defined policy, from the columnstore as an online operation. This increases the value in avg_space_used_in_percent. When I detect the index has the option turned off, I perform the following steps:ALTER INDEX REORGANIZE; however, log space is required. This statement essentially merges all the fragments. You can read more on rebuilding indexes here . table1 REBUILD WITH (SORT_IN_TEMPDB = ON); however I find the datafile still grow up many on the current filegroup. In the infrequent cases where you do need to reorganize or re-build index, consider these: Run index maintenance during off peak period. This form of REINDEX cannot be executed inside a transaction block. This job needs to be scheduled and ran on a weekly basis due to large data. . Solution. It is causing other queries to wait, even simple ones like: SELECT * FROM tableName WHERE indexedColumn = @value. ALTER INDEX (Transact-SQL) Pređite na glavni sadržaj. For a dedicated SQL pool table with an ordered CCI, ALTER INDEX REBUILD will re-sort the data using tempdb. deallocate_unused_clause . SQL Server 2016 (13. If you read complete article it was trying to point out the commands or operations in SQL Server which would require additional disk space and others that would not. When I detect the index has the option turned off, I perform the following steps: ALTER INDEX REORGANIZE; however, log space is required. The DBCC REINDEX command was deprecated in a previous version so it is not as robust as the new ALTER INDEX command is today. ドメイン索引を変更する場合は、索引の索引タイプに対してexecute. allow_page_locks = 0 AND T. The MAXDOP index option cannot be specified in the ALTER INDEX (. GO. Recommendations and examples for indexing tables in dedicated SQL pool in Azure Synapse Analytics. 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。. 1) Disable all NC indexes. x) and later versions. However, I would recommend researching scripts others have written that are well tested and used by. 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:Rebuild is an ALTER command so even if the job is running the step is trying to execute the plan which has that command in the logic and failing. If you have fragmentation, you need to REBUILD or REORGANIZE. (and even with the Enterprise Edition, is blocking when rebuilding clustered indexes) If the above is all correct, the question is: During an ALTER INDEX. Hi, The widely used thresholds are: Reorganize if fragmentation is between 10-30%. Expand the Indexes folder. Below the last two rows that displays the fail: Source: Reorganize Index Executing query "ALTER INDEX [Stack Exchange Network. その他のすべての句は無効です。. The MSDN ALTER INDEX page says "An index cannot be reorganized when ALLOW_PAGE_LOCKS is set to OFF. [GerardStatsTest] WITH RESAMPLE, INCREMENTAL=ON; This will make all of the statistics incremental statistics. 13. Specify the name of the maintenance plan. [xxx] REORGANIZE WITH (LOB_COMPACTION = ON) the operation takes 5-6 hours to complete. If the clustered index is being rebuilt, an exclusive table lock is held. The code first adds 1. Share. The name (possibly schema-qualified) of an existing table to alter. Rebuild/Reorganize working fine. REORGANIZE) will NOT update statistics at all, because it only sees a few pages of the index at a time. Instead, an index rebuild must be performed. ALTER INDEX CCI_fact_Sale_CCI_ORDERED ON Fact. LOB_COMPACTION Compacting large object (LOB) data can reduce the disk space used. REORGANIZE is your option. This browser is no longer supported. Expand the Indexes folder, right-click the index you wish to rebuild online, and select Properties. Reorganizing an index defragments the leaf level of an index by physically re-ordering pages to match the logical order. I already tried an ALTER INDEX REORGANIZE just in case. If you want to use MAXDOP for few indexes, it is possible to use them with the ALTER INDEX command. 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. Hi Team, I am looking for a script, which can provide defrag status and generate rebuild and reorganize scripts ALTER statement in Azure SQL DB. After running the Rebuild and Reorganize Index operation our database developer wrote, the Clustered Indexes dropped significantly to less than 0. They work differently toward the same end. [Item] REORGANIZE . New ALTER INDEX UPDATE BLOCK REFERENCES syntax fixes the invalid physical guesses without reconstructing. Question 1: Consider a scenario where you issue a full backup. ALTER INDEX TableDetails_UK0 ON TableDetails REBUILD WITH ( PAD_INDEX=OFF, SORT_IN_TEMPDB=ON. Select Maximum degree of parallelism, and then enter some value between 1 and 64. Designing the SQL Server Reorganize Index Task Perform ALTER INDEX ALL . The first part of this tip focuses on SQL Server Enterprise Edition to reduce the duration for index maintenance for off-line rebuilds. Consider Ola Halengren's SQL Server Maintenance Solution for Azure SQL Database index maintenance as well as Managed Instance and on-prem. Rename the task to Index Maintenance. Change the index option settings. Reorganize Doesn`t Create A New Index It is again a short demo which shows that Reorganize doesn`t create a new Index, In this demo we will reorganize the index and we will check does the Index ObjectID and PageIDs changed in comparewith the last demo. For an [!INCLUDEssazuresynapse-md] table with an ordered clustered columnstore index, ALTER INDEX REORGANIZE does not re-sort the data. It. Yes, rebuilding indexes will take a toll on your transaction log file. Whether you rebuild or reorganize indexes depends on the following guidelines: avg_fragmentation_in_percent value Corrective statement. “Reorganize” index option.