What is a Node Id in php/mysql? -

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Use me know IIDS to identify records that are used extensively, but what means Nod_aidi Could? I have inherited a custom php structure that uses this word continuously and also has DD column names, which are called node_id. What can this mean? 

  node_id   
 is just a column name is someone Without context also it is impossible to know what it means. You will usually have to dig through ORM, but still the database is applied to find out what it is doing, if you do not have the appropriate software specs or other useful notes anywhere.

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