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boringsql.com | ||
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modern-sql.com
All functions of MERGE explained by example. Support tables show which systems support it. |
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brunoscheufler.com
In addition to the classic INSERT and UPDATE operations, there's another powerful data-modification technique, called upserting. Combining INSERTs for non-existing records and UPDATEs for existing ones, upserts enable various use cases to ensure a document exists and is modified accordingly, if it was created earlier, all while maintaining a concurrency-safe and atomic behavior.... |
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sqlserverfast.com
Welcome to part eleven of the plansplaining series. You will have noticed that this is no longer a monthly series. But when I was asked recently to provide some insight in how a MERGE statement is reflected in an execution plan, I realized that the plansplaining format works fine for this. But first a word... |
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curatedsql.com
[AI summary] This article discusses the transition from SQL databases to Fabric Data Warehouses, explores Elasticsearch's k-nearest neighbors search capabilities, and covers various SQL Server topics including logging, error handling, and configuration. |
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