Create a data table in Navicat: Open the database in Navicat. Right-click the database name in the object list and select New > Table. Enter the table name. Define column types, sizes, and constraints. Make the unique identifier the primary key. Click OK to save changes and create the table.
Create data table in Navicat
Create data table:
Creating a data table in Navicat is very simple and only requires a few steps:
1. Open the database:
- Open the data table to be created in Navicat The database in which it is located.
2. Right-click the object list:
- Right-click the database name in the object list and select "New" > " surface".
3. Enter the table name:
- In the "Create Table" dialog box, enter the name of the table.
4. Define columns:
- In the "Columns" tab, define the columns of the table.
- Set the data type, size and constraints for each column.
5. Set the primary key:
- Determine the unique identifier of the table and set it as the primary key.
- Right-click the column header and select Set as Primary Key.
6. Create the table:
- Click the "OK" button to save the changes and create the table.
Detailed steps:
- Select data type:
- Navicat provides a wide range of data types Options, including int, varchar, date, and float.
- Select the appropriate type based on the type of data to be stored in the column.
- Set column size:
- For character type, specify the maximum number of characters.
- For numeric types, specify the precision and scale.
- Add constraints:
- Constraints are used to ensure data integrity.
- Commonly used constraints include NOT NULL (null values are not allowed), UNIQUE (unique values) and CHECK (verify specific conditions).
- Select the primary key:
- The primary key is the data used to uniquely identify each row.
- Usually choose a non-duplicate value as the primary key, such as the ID column.
- Create table:
- After clicking the "OK" button, Navicat will create a new table and add it to the object list.
By following these steps, you can easily create data tables and manage your database in Navicat.
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