Mysql Advanced Queries Examples

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Sql complex queries query optimization and interview questions

SQL Complex Queries Query Optimization And Interview Questions

Nov 15 2024 nbsp 0183 32 MySQL Forums Forum List 187 Newbie New Topic Database initialization Issue Posted by Rafael Harmon Date November 15 2024 12 42AM Jan 22, 2025 · MySQL NDB Cluster is the distributed, shared-nothing variant of MySQL. MySQL Server 9.2.0 and MySQL NDB Cluster 9.2.0 are Innovation releases, which means it will have new features, deprecations/removals, and bug fixes. Innovation releases are supported until the next innovation release, and are recommended for production use.

Top sql query interview questions and answers 2023 sql query examples

Top SQL Query Interview Questions And Answers 2023 SQL Query Examples

Mysql Advanced Queries ExamplesMay 25, 2011 · If your table has a PK all rows should be distinct by definition. If you are trying to just select DISTINCT field1 but somehow return all other columns what should happen for those columns that have more than one value for a particular field1 value? You would need to use GROUP BY and some sort of aggregation on the other columns for example. How do I select one row per id and only the greatest rev With the above data the result should contain two rows 1 3 and 2 1 I m using MySQL Currently I use checks in the while loop to detect and over write old revs from the resultset But is this the only method to achieve the result Isn t there a SQL solution