Load Data into Snowflake Using Python with Pandas
Loading data into Snowflake is a common need. Using Python and pandas is a common go-to solution for data professionals
2025-04-21
Loading data into Snowflake is a common need. Using Python and pandas is a common go-to solution for data professionals
2025-04-21
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Learn how to query data in Azure Data Explorer using Python.
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Comments posted to this topic are about the item How a Legacy Logic Choked...
Comments posted to this topic are about the item SQL Server Columnstore Index Fragmentation
Hi i was surprised to see the approach my coworkers used to sunset talend...
The columnstore index is absolutely different than the traditional rowstore b-tree index. Because of this, it doesn't suffer from the same kind of fragmentation across pages as the b-tree index. Yet, it does suffer from a type of fragmentation brought about by an excess of deleted rows in a rowgroup and a lack of compression of storage because more things are in the delta store. While b-tree indexes use dm_db_index_physical_stats to show fragmentation, which system tables or DMVs can be used in SQL Server (prior to SQL Server 2025) to determine columnstore fragmentation?
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