DatabaseLink is a toolkit for working with SQL databases built into Mathematica.

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6
votes
2answers
743 views

Trying to extract information from an MDB file. Import is too slow

I am running a Linux box and as usual the documentation for this type of box is not great. I am trying to open up and extract and possibly include later on information from a "mdb" file. The file ...
2
votes
3answers
351 views

What format to use to store expressions in database?

I am storing lists of expressions into a MySQL database. Each list is of form {_String, {_String, _Real}, _Real} What data format should each column of the ...
10
votes
1answer
516 views

Is there a way to print out SQL queries made using DatabaseLink?

I have a Mathematica batch script which makes some MySQL queries using DatabaseLink to store parameters of the run in a database. Recently, I had a run where these queries failed, and there was no ...
7
votes
1answer
3k views

How can I connect to a database using the 32 Bit ODBC on a Windows 7 (64 Bit) machine?

I am having difficulties using a DSN that was defined in the 32 Bit version of the ODBC-manager? (there are two separate managers for 32/64 Bit on a 64 Bit machine) Using the DatabaseLink package ...
4
votes
2answers
295 views

What is the quickest way to convert a lot of SQLDateTime[] objects to DateLists

I often run database queries that return sets of {date, datum} objects. A hypothetical query looks like ...
8
votes
1answer
442 views

Stealth daylight saving shift in SQL data

I'm querying a SQL database with DatabaseLink and resulting SQLDateTime objects are shifted by an hour during daylight saving ...
5
votes
4answers
893 views

MySQL Connection Problem

I have a problem with the configuration of the J-Connector plug-in with a MySQL database. Most of the time all works well, but sometimes the connection remains blocked for 2 hours and then it gives ...
10
votes
3answers
528 views

How can I speed up SQL queries in Mathematica?

I have an application that queries a MySQL database many times for data. At the moment, Mathematica and MySQL are running on the same box and yet it takes over 1.6 seconds for the query to run and ...