How to set primary key in navicat database

The steps to set the database primary key in Navicat are as follows: Select the table to set the primary key. Open the Design Table tab. Select the column to set as the primary key. Enable primary key constraints. Optional: Set the primary key attributes (increment range, starting value, whether to allow null values). save Changes.

How to use Navicat to set the database primary key

It is very simple to set the database primary key in Navicat. The following are the detailed steps:

Step 1: Select the table where you want to set the primary key

• In the database structure view of Navicat, find and double-click the table where you want to set the primary key.

Step 2: Open the "Design Table" tab

• After the table is opened, click the "Design Table" tab.

Step 3: Select the column you want to set as the primary key

• In the Columns section, select the column you want to set as the primary key.
• You can select a column by left-clicking the column header or checking the "Primary Key" checkbox.

Step 4: Enable primary key constraints

• In the Properties section, find the Primary Key property.
• Select the "Primary Key" checkbox to enable primary key constraints for the columns you select.

Step 5: Set primary key attributes (optional)

• In the "Primary Key" section, you can further set the primary key attributes, For example:

  • Auto-increment range:Set the increment of the auto-increment primary key.
  • Start value:Set the starting value of the auto-increment primary key.
  • Whether to allow null values:Specify whether the primary key column allows null values.

Step 6: Save Changes

• After completing the settings, click Save on the Toolbar button.
• Navicat will save your changes to the table, including the primary key constraints you set.

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