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Home 2017 November SQL Server: How to Remove Forwarded Records of a Heap Table?

SQL Server: How to Remove Forwarded Records of a Heap Table?

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In the previous two posts, I shared basic about Forwarding Records of Heap Table and shared a script to find the count of Forwarded Records in SQL Server.

In this post, I am sharing a practical demonstration on Forwarding Records like generate Forwarding Records and then Remove those Forwarding Records.

Please check the below full demonstration:

Create a sample HEAP table:

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CREATE TABLE tbl_Heap
(
Col1 INT IDENTITY(1,1)
,Col2 VARCHAR(1000)
)
GO

Insert sample records with VARCHAR(5) size:

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INSERT INTO tbl_Heap (Col2) VALUES
('dbrnd')
GO 1000

Now, Update the data from VARCHAR(5) to VARCHAR(31):

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UPDATE tbl_Heap
SET Col2 = 'Database Research & Development'
GO

Check the count of Forwarding Records:

For removing Forwarding Records, we should REBUILD the table:

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ALTER TABLE tbl_Heap REBUILD
GO

Now, Check the new count of Forwarding Records:
The count is 0 now.

Nov 4, 2017Anvesh Patel
SQL Server: Script to find the Forwarded Records count of a TableSQL Puzzle: SQL Advance Query - Reduce duplicate column data by merging ID with it

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Anvesh Patel
Anvesh Patel

Database Engineer

November 4, 2017 SQL ServerAnvesh Patel, database, database research and development, dbrnd, Forwarded Record, fragmentation, heap table, REBUILD, SQL Query, SQL Server, SQL Server Administrator, SQL Server Error, SQL Server Monitoring, SQL Server Performance Tuning, SQL Server Programming, SQL Server Tips and Tricks, TSQL
About Me!

I'm Anvesh Patel, a Database Engineer certified by Oracle and IBM. I'm working as a Database Architect, Database Optimizer, Database Administrator, Database Developer. Providing the best articles and solutions for different problems in the best manner through my blogs is my passion. I have more than six years of experience with various RDBMS products like MSSQL Server, PostgreSQL, MySQL, Greenplum and currently learning and doing research on BIGData and NoSQL technology. -- Hyderabad, India.

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