Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from http://reference.wolfram.com/language/DatabaseLink/ref/SQLColumn.html below:

SQLColumn—Wolfram Documentation

We deliver solutions for the AI era—combining symbolic computation, data-driven insights and deep technical expertise

• Data & Computational Intelligence
• Model-Based Design
• Algorithm Development
• Wolfram|Alpha for Business
• Blockchain Technology
• Education Technology
• Quantum Computation

WolframConsulting.com

SQLColumn[…]

represents a column in an SQL table.

• To use SQLColumn, you first need to load DatabaseLink using Needs["DatabaseLink`"].
• The following options can be given:
• "DataTypeName" None type of the entry "DataLength" None maximum length for variable length data "Default" None default value for column "Nullable" False whether the entry can be null "PrimaryKey" False indicates a primary key column

If you find that the examples in this section do not work as shown, you may need to install or restore the example database with the "DatabaseLink`DatabaseExamples`" package, as described in Using the Example Databases.

Open a connection:

List the columns in a table:

Select data matching a condition:

Use a prepared statement:

If you find that the examples in this section do not work as shown, you may need to install or restore the example database with the "DatabaseLink`DatabaseExamples`" package, as described in Using the Example Databases.

Specify data types for columns:

Specify data lengths for appropriate types:

Allow nullable column values:

Specify a primary key column:

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4