Several months ago I learned from an answer on Stack Overflow how to perform multiple updates at once in MySQL using the following syntax: INSERT INTO table (id, field, field2) VALUES (1, A, X), (2, ...
A very frequently asked question here is how to do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE UPDATE and the standard supports as part of the MERGE operation. Given that PostgreSQL ...
Assume a table structure of MyTable(KEY, datafield1, datafield2...). Often I want to either update an existing record, or insert a new record if it doesn't exist. Essentially: IF (key exists) run...
http://en.wikipedia.org/wiki/Upsert Insert Update stored proc on SQL Server Is there some clever way to do this in SQLite that I have not thought of? Basically I want to update three out of four co...
Is there an easy way to INSERT a row when it does not exist, or to UPDATE if it exists, using one MySQL query?
The UPSERT operation either updates or inserts a row in a table, depending if the table already has a row that matches the data: if table t has a row exists that has key X: update t set mystuff.....
I wrote a function to create posts for a simple blogging engine: CREATE FUNCTION CreatePost(VARCHAR, TEXT, VARCHAR) RETURNS INTEGER AS $$ DECLARE InsertedPostId INTEGER; TagName...
MySQL has something like this: INSERT INTO visits (ip, hits) VALUES ('127.0.0.1', 1) ON DUPLICATE KEY UPDATE hits = hits + 1; As far as I'm know this feature doesn't exist in SQLite, what I want to...
I need to write an SQL query for MS-Access 2000 so that a row is updated if it exists, but inserted if it does not. (I believe this is called an "upsert") i.e. If row exists... UPDATE Table1 SET (....
Stupid but simple example: Assume I have a table 'Item' where I keeps totals of the items that receive. Item_Name Items_In_Stock Item name is primary key here. How to i achieve the fol...