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    I have searched around and came up with nothing. I have 2 tables and to not have to query the database for every ... 17 xxx xxx | 18 xxx xxx See Question&Answers more detail:os...
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    My df looks like this: bid ts latitude longitude 1 827566 1999-10-07 42.40944 -88.17822 2 827566 2013 ... displacement analysis on the data. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I basically want to convert a table from mysql to sqlite with the following scheme: create table items ( id ... just to generate unique ids. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Let's say I have a simple database with tables 'posts' and 'tags'. Posts can have many tags and tags can ... them. Is there a better way? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to reset stop word list in mysql for FULLTEXT search. I have installed WAMP Server in my system which have ... know ho wto use this ??? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to know what is the difference between a query and a view in terms of performance. And if a view ... could I do to improve performance? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have seen similar questions (1, 2), but none of them discuss how to insert CSV files into SQLite. ... your help would be greatly appreciated! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Does Android come with a way to do Full Text Search? I know is it not even possible to search contacts by the ... if there is no API for that. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm sure this is straight-forward, but how do I write a query in mysql that joins two tables and then returns ... t seem to make alot of sense! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Can anyone show an EXAMPLE of a sql statement when SQL Injection occurred even after all "single-quote" and " ... Oracle and countless others.) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Table structure: +-------------+----------+------+-----+---------+---------------- ... MySQL will use the index no matter what date that I put? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What kind of error occurs? What do users experience? Can you access the database using tools and what if you get ... under the 4GB / 10GB limit? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a need of implementing two apps that will exchange data with each other. Both apps will be running on ... data between apps across PCs? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm using a simple mysql LIKE query like this: SELECT * FROM myTable WHERE field LIKE 'aaa%' ORDER BY field2 I ... SCORE + 0.5*popularity. How? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a deferred AFTER UPDATE trigger on a table, set to fire when a certain column is updated. It's an integer ... id"); RETURN NEW; END;$$; See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    For example to create a hierarchy of categories you use a column 'parent_id', which points to another category ... would the dis/advantages be? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    If i have a column say column a of any given values, and i want another column column b to have a default ... b default value = 'doctor'. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Me and my friend are working on an app., and we wish to use Parse.com as our data base from which we ... 'd appriciate any advice, Thank you. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I've been working on a web application in ASP.net. My application has several pages and all of them need to ... any better way to do this? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm looking for a way to support with good performances case insensitive + accent insensitive search. Till ... approach for large databases? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a database file that is generated on a PC using Sqlite. This file is then transferred to an ARM7 ... be used to access the database? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm looking for some kind of ORM that can be used with Metro Style apps. I found lots of posts ... . Thanks for your suggestions, Adrian See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Lets say on MySQL database (if it matters). See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    How to GROUP BY multiple column in Laravel? I tried this code: $routes = DB::table('route') ->groupBy(' ... ); But this is not working. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I use the following bit of code in my Django app: pictures = gallery.picture_set.annotate( score=models.Sum( ' ... that the order is correct. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am a developer on a web app that uses an Oracle database. However, often the UI will trigger database ... until 6 seconds has passed? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I was reading a paper published by Neo4J (a while ago): http://dist.neo4j.org/neo-technology-introduction ... any empirical data regarding this? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to insert a huge list of users to a MySQL database but everytime I try I get the error: #1062 - ... '[email protected]','',''); See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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