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www.red-gate.com | ||
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curatedsql.com
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| | | | | [AI summary] A collection of SQL-related blog posts from January 4, 2024, discussing topics like data manipulation, database management, and SQL Server features. | |
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parvu.org
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| | | | | This article compiles various queries and code blocks used to manage disabled constraints in a database schema. It includes SQL statements to identify and enable these constraints. The content will be updated regularly with new insights, and it lists the tested database versions, starting with Oracle Database 23ai. | |
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buttondown.com
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| | | | | In a SQL database, you can set up a foreign key with REFERENCES: nullbitmap=# CREATE TABLE ab (a INT PRIMARY KEY, b INT); CREATE TABLE nullbitmap=# INSERT... | |
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postgrespro.com
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| | | In previous articles we discussed query execution stages and statistics . Last time, I started on data access methods, namely Sequential scan . Today we will cover Index Scan. This article requires a basic understanding of the index method interface. If words like "operator class" and "access method properties" don't ring a bell, check out my article on indexes from a while back for a refresher. Plain Index Scan Indexes return row version IDs (tuple IDs, or TIDs for short), which can be handled in one of... | ||
