`SQL MERGE` statement allows us to insert new rows into table and update existing rows depending on given condition.
Several months ago I learned from an answer on Stack Overflow how to perform multiple updates at once in MySQL …
sql postgresql upsert sql-mergeI am getting ORA-30926: unable to get a stable set of rows in the source tables in the following query: …
oracle sql-mergeA very frequently asked question here is how to do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE …
postgresql insert-update upsert sql-mergeI have a main database and a report database, and I need to sync a table from main into report. …
sql oracle sql-mergeI need to perform a daily update of a very large (300M records) and broad TABLE1. The the source data …
sql-server-2008 sql-update sql-mergeWhat is faster? the Merge statement MERGE INTO table_name USING dual ON (row_id = 'some_id') WHEN MATCHED THEN …
sql oracle sql-mergeWhat I am trying to do is insert/update different versions into a product table. This is a PL/SQL …
sql oracle sql-mergeI want to create a merge that will compare two tables and insert not matched values into another third table …
sql-server tsql sql-mergeI need to merge some values into a table, updating a field when a row with the specified key already …
sql oracle conditional-statements sql-mergeNeed a little help please, my SQL is almost non existent... What is the difference between NOT MATCHED BY SOURCE …
sql sql-server sql-merge