Groups
Conversations
All groups and messages
Send feedback to Google
Help
Training
Sign in
Groups
AskHoamon
Conversations
About
Groups keyboard shortcuts have been updated
Dismiss
See shortcuts
db中 1或0或空值(沒資料)如何區分
2 views
Skip to first unread message
柯俊宏
unread,
Apr 28, 2008, 5:15:32 AM
4/28/08
Reply to author
Sign in to reply to author
Forward
Sign in to forward
Delete
You do not have permission to delete messages in this group
Copy link
Report message
Show original message
Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message
to AskHoamon
當我輸入一筆資料時,某些欄位是1、某些欄位是0、某些欄位是無資料,
而無資料部份,到時候會是抓到0...還是???
阿蒙
unread,
Apr 29, 2008, 11:46:18 AM
4/29/08
Reply to author
Sign in to reply to author
Forward
Sign in to forward
Delete
You do not have permission to delete messages in this group
Copy link
Report message
Show original message
Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message
to AskHoamon
無資料(None) 與 0 是不同意思的,要看你當時有沒有設定 isnull=True 。
Reply all
Reply to author
Forward
0 new messages