PupChow Posted March 15, 2006 Share Posted March 15, 2006 Sorry if this is a very elementary question, but I just cannot seems to find the answer in the books I have (probably because it is very simple?) or online.What is the best way to create a unique ID? This ID will be used to link up a couple tables, and I was adviced to not use Auto-number field. Is there a easy way to generate a unique number in PHP while it is inserting the data into the database? Quote Link to comment https://forums.phpfreaks.com/topic/4992-picking-unique-id/ Share on other sites More sharing options...
hitman6003 Posted March 15, 2006 Share Posted March 15, 2006 Why were you told not to use auto-increment? Quote Link to comment https://forums.phpfreaks.com/topic/4992-picking-unique-id/#findComment-17636 Share on other sites More sharing options...
PupChow Posted March 15, 2006 Author Share Posted March 15, 2006 Something about it is hard to manage. I didn't really quite follow thought...What I am trying to do in simple term is 2 tables:Table1: ID, Name, Address, PhoneTable2: ID, SalaryAnd I am in the process of building PHP pages that will allow users to enter their own information and be put into the database. Quote Link to comment https://forums.phpfreaks.com/topic/4992-picking-unique-id/#findComment-17637 Share on other sites More sharing options...
hitman6003 Posted March 15, 2006 Share Posted March 15, 2006 There's nothing about it that's hard to manage...every time a record is inserted into the db, it assigns it the next incremental id. Potential table structure:[code]person ID Name Address Phoneworkinfo ID personID Salary[/code] sample query:[!--sql--][div class=\'sqltop\']SQL[/div][div class=\'sqlmain\'][!--sql1--][span style=\'color:blue;font-weight:bold\']SELECT[/span] Name, Address, Phone, Salary[color=green]FROM[/color] [color=orange]person[/color] [color=green]LEFT[/color] [color=green]JOIN[/color] workinfo ON person.ID [color=orange]=[/color] workinfo.personID[color=green]WHERE[/color] Name [color=orange]=[/color] [color=red]'Some Name'[/color] [!--sql2--][/div][!--sql3--] Quote Link to comment https://forums.phpfreaks.com/topic/4992-picking-unique-id/#findComment-17640 Share on other sites More sharing options...
PupChow Posted March 15, 2006 Author Share Posted March 15, 2006 Gotcha. Is Auto-Increment Number a pretty popular thing (or standard) to use when it comes to unique ID?On a related note, do I also just join the table first if I want to delete a record? Quote Link to comment https://forums.phpfreaks.com/topic/4992-picking-unique-id/#findComment-17641 Share on other sites More sharing options...
hitman6003 Posted March 15, 2006 Share Posted March 15, 2006 [!--quoteo(post=355172:date=Mar 14 2006, 08:17 PM:name=PupChow)--][div class=\'quotetop\']QUOTE(PupChow @ Mar 14 2006, 08:17 PM) [snapback]355172[/snapback][/div][div class=\'quotemain\'][!--quotec--] do I also just join the table first if I want to delete a record?[/quote]No, you'll have to delete each of them. Quote Link to comment https://forums.phpfreaks.com/topic/4992-picking-unique-id/#findComment-17644 Share on other sites More sharing options...
PupChow Posted March 15, 2006 Author Share Posted March 15, 2006 [!--quoteo(post=355175:date=Mar 14 2006, 08:22 PM:name=hitman6003)--][div class=\'quotetop\']QUOTE(hitman6003 @ Mar 14 2006, 08:22 PM) [snapback]355175[/snapback][/div][div class=\'quotemain\'][!--quotec--]No, you'll have to delete each of them.[/quote]Would I need to do two different SQL queries for insert as well? Sorry, I am pretty new to this. Quote Link to comment https://forums.phpfreaks.com/topic/4992-picking-unique-id/#findComment-17687 Share on other sites More sharing options...
keeB Posted March 15, 2006 Share Posted March 15, 2006 I am quite sure you can manage with 1 SQL statement, but to be on the safe side you should definately use 2 unless you test it thoroughly.. although I really don't see why it wouldnt work with one. Quote Link to comment https://forums.phpfreaks.com/topic/4992-picking-unique-id/#findComment-17714 Share on other sites More sharing options...
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