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Sqlite insert on conflict8/24/2023 How to export database and table schemas in SQLite.How to update existing data with SQLite.How to perform basic queries with `SELECT` with SQLite.Inserting and deleting data with SQLite. ![]() Creating and deleting databases and tables with SQLite.Understanding and using transactions in MySQL.How to use `ON DUPLICATE KEY UPDATE` to upsert data in MySQL.An introduction to MySQL column and table constraints.How to create and delete databases and tables in MySQL.Understanding and using transactions in PostgreSQL.Importing and exporting data in PostgreSQL.How to use `INSERT ON CONFLICT` to upsert data in PostgreSQL.How to update existing data in PostgreSQL.How to insert and delete data in PostgreSQL.An introduction to PostgreSQL column and table constraints.An introduction to PostgreSQL data types.How to create and delete databases and tables in PostgreSQL.How to configure a PostgreSQL database on RDS.Comparing relational and document databases.Glossary of common database terminology.Comparing database types: how database types evolved to meet different needs.When ID=1 does not exist, the role will be set to 'Benchwarmer' instead of the default value. When ID=1 exists, the ROLE will be unaffected. INSERT OR REPLACE INTO Employee (id, role, name) When ID=1 does not exist, the name will be the default (NULL). When ID=1 exists, the NAME will be unaffected. GOOD but tedious: This will update 2 of the columns. UPSERT in SQLite follows the syntax established by PostgreSQL. UPSERT is a special syntax addition to INSERT that causes the INSERT to behave as an UPDATE or a no-op if the INSERT would violate a uniqueness constraint. UPSERT support in SQLite! UPSERT syntax was added to SQLite with version 3.24.0! the NAME column will be set to NULL or the default value: INSERT OR REPLACE INTO Employee (id, role) I think that the best way is to keep things on low level (db level) in order to keep a good level of performance.Īssuming three columns in the table: ID, NAME, ROLEīAD: This will insert or replace all columns with new values for ID=1: INSERT OR REPLACE INTO Employee (id, name, role)īAD: This will insert or replace 2 of the columns. Or maybe we can just try to find a solution □ Some one has already thought about this problem and has a solution? ![]() If it fails because it can't find the row related to the record (it's not yet present in the db) it will try to do an insert
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