terryds Posted July 10, 2013 Share Posted July 10, 2013 Take a look at http://www.mysqltutorial.org/mysql-transaction.aspx At the last code script example, there is @orderNumber and ' := ' ... I don't understand what they are... Can you explain me about them ? Link to comment Share on other sites More sharing options...
birbal Posted July 10, 2013 Share Posted July 10, 2013 '@' is used to declare variable and ':=' for assignment. as '=' is already used as comparison operator in SQL and alpha numeric identifier is used for database scheme like table name,database name,column name they needed to be identified differently. 1 Link to comment Share on other sites More sharing options...
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