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Database naming rules

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Release: 2024-04-13 00:24:18
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The rules for database naming include: easy to understand and remember: the name clearly describes the purpose of the table. Be short and clear: include only necessary information. Unique and consistent: Each table name is unique in the database and follows the naming convention. Avoid special characters: prevent syntax issues. Case sensitivity: Some systems are case sensitive.

Database naming rules

Rules for database naming

Principles:

  • Easy to understand and remember:The name should be descriptive so that users can easily understand the purpose of the table.
  • Short and clear:Keep the name short and contain only the necessary information.
  • Unique and consistent:Each table name should be unique within the database and follow a consistent naming convention.
  • Avoid using special characters:Special characters (such as spaces, dashes, and underscores) can cause syntax problems.
  • Case sensitivity:In some database management systems, table names are case-sensitive.

Specific rules:

  • Table name:

    • can be used Letters, numbers and underscores.
    • The plural form should be used to indicate that it contains multiple records.
    • For example:customers,orders
  • ##Field name:

      Letters, numbers and underscores can be used.
    • The singular form should be used to represent a single data value.
    • should be descriptive and reflect the content of the field.
    • Avoid using abbreviations or vague names.
    • For example:
    • customer_id,order_date
  • ##Foreign key name:

    usually starts with the
      fk_
    • prefix, followed by the referring table name and the referenced field name.For example:
    • fk_customer_id
  • ##Index name:
  • usually starts with

    idx_
      Starts with the prefix, followed by the table name and index column name.
    • For example:idx_customer_name
    ##Best Practice:

Use Camel case (for example:customerID

) or underscore case (for example:
    customer_id
  • ).For large databases, consider developing a naming standards document.Consider the relationships and data flow between tables when naming.

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