New posts in Cardinality Estimates

Compatibility level of SQL Server

What Triggers This Warning: Type Conversion in Expression May Affect "CardinalityEstimate" in Query Plan Choice

Why does a DELETE query run in one format much longer than in another?

Nested Loop has very low estimates due to skewed data

Sort spills to tempdb due to varchar(max)

Why am I getting an implicit conversion of Int / Smallint to Varchar, and is it really impacting Cardinality Estimates?

Wrong estimate on a query on partitioned tables

Cardinality estimation problem on inner join

How to hint many-to-many join in SQL Server?

Why would the Parallelism (Repartition Streams) Operator Reduce Row Estimates to 1?