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

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SQLInsert'ing Null into a table (not SQLite)

Is it possible to insert Null values using DatabaseLink, without formatting the query string manually? Hans found (below) that this works for SQLite, so it appears ...
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40 views

Awkward DatabaseLink JDBC Error [closed]

I've created a GUI application (a database editor) that uses DatabaseLink and it is currently working fine on my PC (M10.02, Windows 7) and on a clients's PC (CDF Player Pro 10.02, Windiws 8). While ...
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1answer
63 views

How to specify the number of precision digits for columns using DatabaseLink functions and options

Some databases (e.g. MySQL) does not store decimal places for seconds unless the number of digits needed is directly specified (e.g. DATETIME(4) for 4 digits) when creating the table in the database. ...
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55 views

Mathematica SQL command that counts records in table

Is there a DatabaseLink command other than SQLExecute that can be used to count the total records in a database table?
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31 views

How to identify primary keys in an existing database table

I would like to identify the primary keys in a DB table using DatabaseLink commands trying to exclude SQLExecute. It seems like SQLTableInformation or SQLColumnInformation may not show that ...
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0answers
63 views

OpenSQLConnection SSPI Library Not Loaded

I am attempting to open a connection to SQL Server with Windows Authentication (SSPI) using OpenSQLConnection and JDBC. ...
2
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1answer
40 views

Is there a way to define primary keys using SQLCreateTable?

I would like to create a db table and specify the primary key columns using the command SQLCreateTable. I know I could use SQLExecute but in this case I'm only interested in the right parameters for ...
0
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2answers
78 views

Performing analysis of data extracted from an SQL database

Below is an SQL query that I generated using DatabaseExplorer as well as a small sample of the result. How, att this point, can I perform analysis on the results ...
2
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1answer
160 views

SQLite and Mathematica

I want to connect to a local database with Mathematica. I used DB Browser for SQLite to create the database with a single table and then exported it locally as a .sql file. To access the database I ...
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0answers
97 views

Is it possible to specify GMT as default in OpenSQLConnection or JDBC?

I'm connecting to a PostgreSQL database, with tables containing TIMESTAMPs with timezone, using ...
9
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1answer
158 views

Slow work of SQLInsert with MS SQL Server in V10

This question is very similar to: Slow work of SQLInsert with SQLite, but for MS SQL Server. Unfortunately the use of SQLBeginTransaction and ...
9
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3answers
440 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: ...
5
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1answer
249 views

Using cursors with result sets to reduce memory usage

I have a database table with 900,000 rows and 80 columns per row which I'd like to work with in mathematica. My computations are isolated to each row, so I'd like to stream only a single row (or small ...
5
votes
1answer
159 views

How to get data from DB into dataset with keys

I'm a Mathematica newbie and I have the following problem: I connect to a Oracle DB and read out a set of variables, further on I want to histogram some of the variables. A Dataset seems to be the ...
7
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2answers
168 views

Connecting to Microsoft SQL with version 10

After upgrading to version 10, functions relying on a connection to a Microsoft SQL database no longer work. When I attempt to open a connection with something like: ...
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0answers
35 views

Need a recommendation for managing a database link

I want to make a package which needs to have a external database link. But it is hard for me to have an idea about how to manage the database link. I want the link to be connected as long as I use the ...
4
votes
1answer
222 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. ...
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0answers
40 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 ...
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1answer
68 views

How can I “ORDER BY” using SQLSelect?

A pretty straightforward problem, you would think, but I cannot seem to find the answer in the documentation for SQLSelect. The query I want to run is the following: ...
4
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1answer
384 views
1
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1answer
134 views

I cannot get tables names and columns names from database

I am working with database using OpenSQLConnection-JDBC. I am able to fetch the data perfectly from the tables but I cannot get nor the names of the tables (using SQLTableNames) neither the column ...
2
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1answer
84 views

DatabaseLink Example for DB2 and Mathematica

could someone please point me to good example on how to make a JDBC connection to an IBM DB2 database?
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3answers
4k views

Connect to SQLite database

I am trying to connect to a SQLite database and since there is no officially supported driver; I decided to use the sqlite-jdbc driver and port the respective code into Mathematica. However, the ...
11
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0answers
217 views

Benefit of using Dataset to collect SQLSelect output

Considering a DatabaseExample included with Mathematica: ...
3
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2answers
300 views

Handling error in database connection (TimeConstrained)

I have a lot of scripts that use a database connection, and I have realized that my code should be protected against errors in my connection. For example, when my database is out for some technical ...
12
votes
1answer
529 views

Microsoft SQL DatabaseLink connection using Windows Authentication

For those who use Mathematica with databases in companies, a common way to securely connect to those is using Windows Authentication (detailed here). Mathematica doesn't seem to support this ...
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0answers
591 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 ...
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0answers
43 views

SQLDateTime from a time column is missing the milliseconds component

Can anyone confirm this? I am using M9.0.1 on win7 64bit connecting to a SQL Server db. When I fetch a datetime column the SQLDateTime objects contain 6 entries, 5 integers and a fractional second ...
8
votes
1answer
199 views

OpenSQLConnection problem - password visible

Prerequisites some database (here, it's called sakila (mysql standard test db I think)) a user (with password) that has access to that db (I'll use u:testuser/p:testpass) Setup - minimal (?) ...
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1answer
132 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 ...
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1answer
110 views

Multi-table SQLSelects

I'm trying to figure out how these statements really work, and am having some trouble with the documentation (and the software!). Using the example publishers database (Mathematica 8), the following ...
7
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3answers
884 views

How to connect Mathematica 9 to MS SQL 2012 using Windows 7 enterprise (64-bit)

I have used Microsoft Open Database Connectivity (ODBC) with Mathematica 8.0 and MSSQL 2008 on Windows XP, but I can't get it to work on Windows 7 Enterprise (64-bit) with Mathematica 9.0.1.0 and MS ...
3
votes
1answer
358 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 ...
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1answer
137 views

Creating a Dynamic MSSQL connection

Hello i am trying to create a notebook that automatically connects to a database on MSSQL server and would then query this to create a sort of personal report. I have connected to this database and ...
4
votes
1answer
215 views

How do I put a Monitor into CDF?

I would like to keep track of progress of a database request in an Enterprise CDF, but it won't allow PrintTemporary or ...
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0answers
69 views

Connect to a MS Access database (*.accdb) [duplicate]

The JDBC Connections section of the help file http://reference.wolfram.com/mathematica/DatabaseLink/tutorial/DatabaseConnections.html gives me the impression that I can connect to a MS Access Database ...
2
votes
3answers
352 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 ...
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votes
2answers
392 views

How to push the data from database?

I want to push the data from database to Mathematica application instead of application(MM App) pull the data.I have installed ms sql server and apache tomcat server. I have my application in apache ...
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0answers
164 views

Cannot access the Database using the JDCB - ODBC

Runnig this code after building the ODBC connection for my access application named WPC : ...
6
votes
2answers
526 views

Correct behavior of lock file in hsqldb connection

I'm running in to some problems with generating a persistent HSQLDB and during some troubleshooting I came upon the following behavior. ...
2
votes
2answers
825 views

How can I import images from a Microsoft SQLServer database?

I have a table with binary data (images) in Microsoft SQlServer. I want to import that data and convert it into Image format. I wrote the following code, but it's ...
4
votes
2answers
604 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, ...
0
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2answers
835 views

Network database access - How do I connect to a remote database?

I am able to connect to a specific MS Access Database when it is on the same Windows computer as Mathematica via the command ...
2
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0answers
195 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 ...
4
votes
1answer
166 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 ...
7
votes
2answers
506 views

DatabaseLink`: MySQL query with client/server compression

I'm trying to reduce transfer time when accessing rows of a mysql table over a network, where each row has a lot of data. Is there a way to enable client-server compression when accessing a mysql ...
3
votes
0answers
324 views

Microsoft SQL DatabaseLink connection using Windows Authentication from Mac

We know that Mathematic doesn't natively support Windows Authentication connect. But as we can see in this post, the problem can be easily solved when your Mathematica is in Windows version (I have ...
5
votes
1answer
107 views

Can I store a DataDistribution in a database?

I have a DataDistribution data = KernelMixtureDistribution[RandomVariate[NormalDistribution[], 10^5]] that takes a long time ...