Tagged Questions

The tag has no wiki summary.

learn more… | top users | synonyms

3
votes
1answer
65 views

How to update bundled SQLite library (or driver?) in V10 for OS X

I've been using undocumented Database functions with Mathematica V9 to acces my SQLite database, which is a Firefox-generated database that contains cookies. ...
0
votes
0answers
27 views

Mathematica not showing MySQL databases

I have MySQL installed and I want to access the databases from Mathematica. From the command line this is what I have Now I want to edit this db directly form Mathematica. If I do ...
2
votes
1answer
100 views

Insert large amount of data in HSQL

I create HSQL database with one table ...
1
vote
1answer
49 views

How to check empty tables using SQL Select or Execute?

If[SQLExecute[con, "Select * from TABLE"] == "{}", Print["TRUE"], Print["FALSE"]] I need to know the way, if the TABLE is empty or not
8
votes
3answers
210 views

Slow work of SQLInsert with SQLite

I want to store my data in SQLite database, but writing large numbers of data its too slow. For example: ...
1
vote
0answers
75 views

Datastream to Mathematica

I currently use data from Thomson Reuters Datastream. With an add-in in Excel, the data can be requested. Because I need to use the data in Mathematica, and I need to update the data frequently: Is it ...
2
votes
2answers
149 views

Create Table of replacement rules

I want to create a table of replacement rules. ...
3
votes
0answers
382 views

Problem inserting data into a mysql table with column names having a space

I have a mysql table whose column name has space. I tried inserting the data into this column. I got an error I tried a sample code, which tests accessing the columns with a space and that returns ...
1
vote
1answer
105 views

OpenSQLConnection error

I used to be able to connect to a SQL Server database. I haven't run this program for a few months. I tried it today and it failed, so I went back to try OpenSQLConnection[] and got the following ...
2
votes
1answer
170 views

MySQL or PostgreSQL? Using Mathematica only I need to choose one

Installing either MySQL or PostgreSQL. My concern is just with Mathematica. I am going to be using it to store a good bit of basic data but the main thing is fast image retrieval and comparison using ...
11
votes
2answers
603 views

Graph databases / Nosql with Mathematica

I am very new to mathematica but it looks like an interesting language and I would like to explore it for a future project to create a web search engine. It seems like it would be fairly well suited ...
4
votes
3answers
454 views

Connect to remote Ms-sql Database

I can connect to the local Database(installed in my system) from Mathematica via ...
0
votes
0answers
111 views

Cannot access the Database using the JDCB - ODBC

Runnig this code after building the ODBC connection for my access application named WPC : ...
3
votes
2answers
432 views

Working with a database

I just started to work with a database through Mathematica. I have a large data set. I use an .mx file to store my data. Now I have to store the data in a database, ...
2
votes
0answers
140 views

Can Mathematica use a MySQL ODBC connector?

I have a MySQL database that I connect to using Mathematica and would like to distribute my Mathematica code to others. We already have ODBC DSNs setup on peoples machines using the MySQL ODBC ...
3
votes
1answer
305 views

How can I connect database(MSSQL Server) with Mathematica?

Newly I started working with database(MSSQL Server 2012). by google help, I created Table name as EmployeesList and also ...
4
votes
1answer
153 views

How can I write image to MySQL database?

I have a database, such as: In Mathematica, the final code is: img1=Export["/home/user/Desktop/1.jpg",resultimg1]; I tried ...
12
votes
2answers
1k views

How do you deal with very large datasets in Mathematica?

This question is in two related parts. The first is about dataset size, the second data wrangling. Part 1: I've built a naive Bayesian classifier on Mathematica. It uses ...
79
votes
1answer
3k views

File-backed lists/variables for handling large data

Background Currently I am working with some large data (most of it generated by Mathematica itself). I usually find it a hassle to do this. For example, I just exported a large amount of data to ...