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-3
votes
0answers
9 views

myBatis update a table with values from another table [migrated]

I will have to update two columns of table B with values from the Table A object which is passed as parameter to the update statement. This is what I am trying to do <update id="id1" ...
0
votes
1answer
43 views

Recurring database migration

I'm importing data from older website to new one using database migrations. I have created first as one of first steps of development phase of new site. Then I planned to create another one, that will ...
1
vote
2answers
319 views

How to update a row in database without ID?

I've got a table with the following structure : Col1 | Col2 | Col3 A | B | C A | C | B E | D | C The primary key is (Col1,Col2,Col3). I get the data in another project and ...
1
vote
1answer
188 views

pre aggregating documents mongodb

In our current setup, most of our database calls are updates where we increment a key by 1. If all one is doing is incrementing certain keys on a document (a lot) in mongodb, and there are several ...
1
vote
1answer
620 views

How do you schedule software updates, major releases, milestones (what is this?)

What are the common terminology used to schedule software update and support. For example, I really have no clue how releases and updates differ, how often are updates released (not everyday I hope)? ...