How to set default value for navicat table
You can set a default value for the table through Navicat, which can be a constant, expression or sequence. Specific steps include: Open the table designer, find the field for which the default value needs to be set, enter the default value in the "Default Value" field, and finally save the changes. Example: Set the default value for the "Date of Birth" field in the "Customer" table to "1900-01-01".
How to set default values for Navicat tables
Navicat is a powerful database management tool that can be used Manage various relational databases. One of the important features is setting default values for fields in tables, which simplifies data entry and ensures data accuracy.
Steps:
1. Open the table designer
- In Navicat, open the database to be edited and table.
- Right-click the table and select "Design Table".
2. Set the default value
- In the table designer, find the field for which the default value needs to be set.
- In the Default value field, enter a default value.
- The default value can be a constant, expression or sequence.
3. Save changes
- Click the Save button to save changes to the table.
Details:
- Constant: A fixed value, such as text, number, or date.
-
Expression: A dynamically calculated expression, such as
CURRENT_TIMESTAMP
orUSER()
. -
Sequence: A sequence that automatically generates unique values, such as
sequence_name.nextval
.
Example:
To set a default value for the Date of Birth field in the Customers table, follow these steps:
- In the table designer, find the "Date of Birth" field.
- In the Default value field, enter
'1900-01-01'
.
This will set a default value for the Date of Birth field, which is 1900-01-01
. When a new record is inserted into the table, if no value is specified for the Date of Birth field, this default value will be used.
The above is the detailed content of How to set default value for navicat table. For more information, please follow other related articles on the PHP Chinese website!

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