SQLite
SQLite: Increment unique integer field
I have a table which contains a unique integer field containing consecutive values. When I try to increment these values using the method below I violate the unique constraint. Is there a method for d[详细]
2023-04-12 06:25 分类:问答Declare variable in SQLite and use it
I want to declare a variable in SQLite and use it in insert operation. Like in MS SQL: declare @name as varchar(10)[详细]
2023-04-12 06:19 分类:问答get data from the last X minutes sqlite
I have this query: SELECT who,whenAT FROM seen WHERE whenAT <= Datetime(\'now\', \'-5 minutes\') DateTimes stored in whenAT are formatted like this \"10/12/2011 12:33:13 AM\" whenAT is a TimeSta[详细]
2023-04-12 05:14 分类:问答Android Database usage
This may be a simple question as I have not done any database work for a while! I have two tables with data like the below[详细]
2023-04-12 05:04 分类:问答How to get selected values from database
I wantonly selected values form database depends upon i and j? public Cursor getAll() { int i=2;j=1; return (getReadableDatabase().rawQuery([详细]
2023-04-12 04:58 分类:问答database not being copied to the iPhone device from resources
I have come up with a strange problem. I am using sqlite database in my app. The app works fine when running in the simulator but when I deploy the app on iPhone device, it doesn\'t read from the db.[详细]
2023-04-12 04:55 分类:问答SQL: select N “most recent” rows in ascending order
For example, if my data look like this: timestamp | message 100 | hello 101 | world 102 | foo 103 | bar 104 | baz[详细]
2023-04-12 04:39 分类:问答Querying SQLite
I have a table called ProductClassification with two columns \'ProductID, ClassificationID\' ProductID, ClassificationID[详细]
2023-04-12 04:10 分类:问答SQLite: Select all date-value-pairs where the distance between each date and the first date is a multiple of a specific period
I am working with SQLite and Python and try to get these specific dates (and corresponding values). I think an example explainst best what I am looking for.[详细]
2023-04-12 03:53 分类:问答Is there a SQLite version of the LinqPad nutshell database
I am trying to learn 开发者_如何学GoLINQ with LINQPad, but the fact is that I have a notebook.[详细]
2023-04-12 03:12 分类:问答