Limiting a Query result to the last 50 records

[elentz]

I have a query that is getting me ALL the records from two tables. For one application I have I only need the last 30 records. I tried Limit 30 but that only got me the first 30. The table is ever growing so I will never know the number of records in the tables until I run the query. Here's my query:

$sql = "SELECT a.dealer_name, a.pi_name, b.pub_ip, b.date, b.time, b.latency, b.jitter, b.loss, b.mos, b.sip_status_before FROM pi_config a, pi_data b WHERE a.pi_id = b.pi_id ORDER BY b.date";


How can I do this??

Thanks alot for looking

 

[Olaf Doschke]

Order descending (ORDER BY b.date DESC) and then take LIMIT 30.

Bye, Olaf.

 

[ChrisHirst]

For more see -> the MySQL documentation

Chris.

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