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To do this, we’ve defined a CTE named “ten”, with a single column named “x” (the column name is optional, but in this case we need it to refer to later). Say you wanted to generate a table on the fly containing the numbers one through ten: sqlite> WITH RECURSIVE ten(x) AS (
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Ok, so that’s all well and good, but what is this good for? It turns out, a lot.
![db browser for sqlite replace db browser for sqlite replace](https://img.bricklink.com/ItemImage/MN/0/sh743.png)
This does the same basic thing, but we’ve limited the number of possible results to only be 2. So we can “cap” that CTE by writing a query like: sqlite> WITH RECURSIVE finite AS (
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P.S: I'm using Firefox SQLite Manager (couldn't find a better and free alternative for Windows).I’ve been trying to wrap my head around Common Table Expressions for a while, and all the tutorials I’ve read started out with “simple” examples that were way too advanced for me to follow. I'm looking for a query that will search for entries like those, where "content_url" follows that pattern and replace it (the "content_url") with something else.įor instance, a generic "content_url" can be this: file:///c:/users/nazgulled/music/band%20albums/BAND_NAME/ALBUM_NAME/SONG_NAME.mp3Īnd I want to replace all these entries with: file:///c:/users/nazgulled/music/bands/studio%20albums/BAND_NAME/ALBUM_NAME/SONG_NAME.mp3 I have this music database in SQLite that has various fields of course but the important ones here the "media_item_id" and "content_url". Or maybe not because of the search and replace. My SQL knowledge is very limited, specially about SQLite, although I believe this is will be some sort of generic query.