Update mysql insert


















What if I would like to check if a field that is not a primary key exists or not and would like to update or insert the table? There are two options for the same:. Observe the below query. To have a better understanding of the concept, let us re-run the same query, this time. Your email address will not be published. This site uses Akismet to reduce spam. Learn how your comment data is processed.

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The technical storage or access that is used exclusively for statistical purposes. The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes. Konerak Martin Schapendonk Martin Schapendonk Piontek Because this one is shorter and easier to understand and no-one explained why "insert on duplicate" is better.

Fabiano Souza Fabiano Souza 7 7 silver badges 4 4 bronze badges. SherylHohman Dilraj Singh Dilraj Singh 9 9 silver badges 11 11 bronze badges. Luis Reyes Luis Reyes 2 2 silver badges 7 7 bronze badges.

I don't think he wants to increase the id by one on duplicates. Atur 1, 6 6 gold badges 27 27 silver badges 37 37 bronze badges. Rasel Rasel 4, 3 3 gold badges 29 29 silver badges 36 36 bronze badges. I want to work without using id. Have you tried without primary key? I got that, but I am trying to solve my problem in which these only values are know.

So, in such situation I wrote above comment hoping correct solution. Peter Mortensen DawnSong DawnSong 3, 2 2 gold badges 31 31 silver badges 37 37 bronze badges. What replace into does is exactly "insert into, or update when existing".

Owl — DawnSong. Simplest of solutions here. ID AND jiraissue. ID AND worklog. The problem with this in mysql is that replace will remove other values in case they are not provided. However fabiano-souza solution is more appropriate — Quamber Ali. SteveCinq SteveCinq 1, 1 1 gold badge 12 12 silver badges 20 20 bronze badges. Rich Rich 3, 1 1 gold badge 26 26 silver badges 57 57 bronze badges. Natalia kindly create a dbfiddle so I can check — Rich.

I will try, but basically, you can not make text type of a column unique in MySQL. I made it varchar. Renish Gotecha Renish Gotecha 1, 16 16 silver badges 14 14 bronze badges. Does anyone know why we must assign the values twice? I understand why we have the option for alternate assignments, but why not have the option to omit them as well?

Just curious if anyone knows. In case, you want to keep old field For ex: name. Xman Classical Xman Classical 4, 1 1 gold badge 23 23 silver badges 26 26 bronze badges.

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