March 1999
Intermediate to advanced
456 pages
18h 21m
English
Content preview from Tcl/Tk in a NutshellBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Name
database
- database
options This command is used to connect to a database and to query and change information related to database sources
- database
[connect]
id datasource[userid] [password] Open a connection to a database, creating a database object named
id(a new Tcl command) used to access the database. Accepts the datasource name (DSN) and optionally a user ID and password, returning the database ID. The connect keyword is optional.
Example
database db employeebase sysadm xxxxxx
- database
[connect]
id connectionstring An alternate form of the connect command that accepts a string of attribute-value pairs in the form
Attribute1=Value1 Attribute2=Value2.
Example
database db "DRIVER=Microsoft Paradox Driver (*.db);DBQ=C:\\db"
- database configure
operation driver attributes Configure an ODBC datasource. The
operationparameter is one of the values in the following list. Thedriverparameter is the name of the ODBC driver to be used. Theattributesargument is a driver-specific list of name and value pairs. Does not open a connection to the database.
Operations
- add_dsn
Add a datasource for the current user.
- config_dsn
Configure a datasource.
- remove_dsn
Remove the datasource.
- add_sys_dsn
Add a system datasource, visible to all users.
- config_sys_dsn
Configure a system datasource.
- remove_sys_dsn
Remove a system datasource.
- database datasources
Return a list of configured ODBC datasources. Each element is a list consisting of the datasource name and the driver name.
- database drivers
Return a list of configured ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.