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OpenUtilities Wiki Rules for Regular Identifiers
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    Rules for Regular Identifiers

      Product(s): Promis.e, Bentley Substation, Bentley Raceway and Cable Management
      Version(s): through 08.11.13.140
      Environment: N/A
      Area: Database Platform Support
      Subarea: N/A

    Background

    Identifiers for SQL Server objects, including database and table names, must conform to certain rules.

    Rules

    The identifier string can consist of:

    • Letters
    • Numbers
    • The "at" sign (@)
    • The dollar sign ($)
    • The number sign (#)
    • The underscore (_)

    The first character cannot be a number or dollar sign ($).  Use a letter for the first character.

    The identifier must not be a Transact-SQL reserved word.

    The identifier must not contain spaces or special characters.

    NOTE: According to the Microsoft MSDN Library, "Database names must be unique within a server and conform to the rules for identifiers." Also, limit the database name to 123 characters so that the transaction log file name is less than 128 characters. If these rules are not followed, the database will not be created.

    External Links

    Using Identifiers

      Original Author: Matt_P
    • Database Platform Support
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    • Matt_P Created by Communities MVP Matt_P
    • When: Fri, Nov 1 2013 5:31 PM
    • Jesse Dringoli Last revision by Bentley Colleague Communities MVP Jesse Dringoli
    • When: Sun, Mar 29 2020 9:26 PM
    • Revisions: 7
    • Comments: 0
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