The specific setting method of primary key auto-increment in Power Designer

In database design, primary key auto-increment is a common and important feature that can be used to automatically generate serial numbers or unique identifiers. PHP editor Xigua brings you the specific setting method of primary key auto-increment in Power Designer. This article will introduce in detail how to set the auto-increment function for the primary key of a table in Power Designer, and cover all aspects from creating an auto-increment primary key to operation and maintenance. After reading this article, you will master the knowledge of using primary key auto-increment in Power Designer and easily create and manage database tables with automatic numbering function.

We need to create a new table first. Select the [Table] button in the [Toolbox] column on the right with the mouse, then move the mouse into the blank space, and click the mouse to complete the new table, as shown below:

Then we edit the table name. The specific operation is to double-click the newly created table and enter the corresponding information in the pop-up box. [Name] can be in Chinese and [Code] must be in English, as shown in the following figure:

This When we edit the properties, set it as the primary key. Select [Columns] and fill in the information in the column. [Name] can be in Chinese, [Code] must be in English, select [p], as shown in the figure below:

Next we Edit the primary key data type. Click the [Data Type] column, click the [...] icon, select the [Integer] type in the pop-up box, and click [Confirm], as shown below:

Then Set auto-increment. Double-click the primary key bar (or right-click and click [Properties] in the floating window), check [Identity] in the pop-up box, and click [Confirm], as shown in the following figure:

The last step is to complete the settings. Finally click [Apply], then click [Confirm], so that our operation is over, and the primary key auto-increment is configured successfully.

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