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If you’re working with compressed indexes, SQL Server provides a system stored procedure to help test the space savings of implementing data compression: sp_estimate_data_compression_savings. Starting in SQL Server 2019, it can even be used to estimate …
Continue readingChanging a column from int to bigint has gotten a lot easier since I started working on SQL Server back at the turn of the century. SQL Server 2016 introduced the ability to do ALTER TABLE...ALTER COLUMN as an online operation using the WITH (ONLINE=ON) …
Continue readingQuestion I have created a table with 650 Numeric(19,4) columns. When I switch on Page Compression, by running ALTER TABLE fct.MyTable REBUILD WITH (DATA_COMPRESSION = PAGE); I get Msg 1975, Level 16, State 1 Index 'PK_Mytable' row length exceeds the maximum …
Continue readingA practical look at SQL Server’s COMPRESS() function and its use with large object data.
Continue readingSQL Server supports two kinds of data compression on rowstore data. Columnstore compression is for a different day. You can compress heaps, clustered indexes (on both tables and views), and nonclustered indexes (on both tables and views). Compression …
Continue readingSQL Server supports two kinds of data compression on rowstore data. Columnstore compression is for a different day. You can compress heaps, clustered indexes (on both tables and views), and nonclustered indexes (on both tables and views). Compression …
Continue readingSQL Server supports two kinds of data compression on rowstore data. Columnstore compression is for a different day. You can compress heaps, clustered indexes (on both tables and views), and nonclustered indexes (on both tables and views). Compression …
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