MongoDB Upsert

Introduction The Update operation is one of the CRUD operations that is used to perform modifications in single or multiple records. MongoDB provides the update() method to perform the update operation. The update() method not only updates documents but also provides several options that could be used with it. These options include upsert, multi, writeConcern, … Continued

The Use of Upsert in CockroachDB

Introduction The UPSERT statement in CockroachDB is used similarly to the Insert on Conflict command, but the two have slightly different functions. Typically, CockroachDB returns an error when values conflict with a unique constraint in the columns of a table. However, the UPSERT statement is unique to primary-key columns, as it is used like an … Continued

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