Where can I see how long all the instances take in Amazon Cloud ec2? is it more than 750hrs per month?

I have opened multiple instances, but closed several more. Where can I see the usage time of all the instances?

CVM Cloud-Service

Mar.14,2021

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Amazon CVM aws does not launch an instance, but it can connect to linux?
when I applied for es2, for the first time, I selected a host instance and finally generated it successfully. There was an ip address that I connected to. however, I logged into the aws background management system and could not see the instance create...

CVM CVM Cloud-Services Cloud-Computing

Mar.13,2021

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3174c-2bdb0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3174c-2bdb0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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