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how can I generate random number that not duplicate<br />
like<br />
<br />
&nbsp; &nbsp;1234-5482-4578<br />
&nbsp; &nbsp;7848-5875-7848<br />
&nbsp; &nbsp;7845-8585-8471<br />
<br />
i want to put in one &nbsp;colum on excel<br />
if ex cel can not can i generate on my sql
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how can I generate random number that not duplicate
like

   1234-5482-4578
   7848-5875-7848
   7845-8585-8471

i want to put in one  colum on excel
if ex cel can not can i generate on my sql

generate random number that not duplicate

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Microsoft Excel topics include formulas, formatting, VBA macros and user-defined functions, and everything else related to the spreadsheet user interface, including error messages.

Microsoft Excel

SQL (Structured Query Language) is designed to be used in conjunction with relational database products as of a means of working with sets of data. SQL consists of data definition, data manipulation, and procedural elements. Its scope includes data insert, query, update and delete, schema creation and modification, and data access control.