powerdesigner will only show the database menu when the physical model PDM is selected. You need to double-click pdm to show the database
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PostgreSQL-9.1 – PgAdmin III does not respond when trying to recover the database
I am trying to restore the database (via a backup file), I am using PgAdmin III (Postgresql 9.1).
After selecting the backup file, a window indicates that pg_restore.exe is running, and then PgAdm
PostgreSQL remote connection, fatal error: No PG_HBA.conf recorded for host “…”, users “…”, database “…”, SSL close
PostgreSQL remote connection method
Sometimes when connecting remotely, it will report Error connecting to the server: fatal error: not used for host “…”, User “…”, database “…”, pg_hba
PostgreSQL query is not terminated, the service postgreSQL is not started after reboot
In my work, I am running a complex query. I canceled it and went home yesterday. It is impossible to terminate the query later this morning. There is also a “after termination” “End” function. A co
PostgreSQL – Is there a way to know the last submission value in the table?
I am using Postgres 9.5. If I update some values of a row and submit them, is there a way to get the old values later? I was wondering if there is something like flashback? But this will be a s
iPad JavaScript error has no help
I received the following error with iPad, but not in my desktop browser:
JavaScript: Error
undefined
TypeError:’undefined’ is not a function This is a larger js application, this error messa
Ruby – Rails Model: Validates_Unique Ness_OF Will not delete the endless space before a unique check? Isn’t the front guide?
Suppose I implement validates_uniqueness_of on the username. If the name’maddy’ already exists, then it will accept the value’maddy’ as the unique value instead of’maddy’. It should remove both sid
Dr. Brew: DYLD: Library is not loaded & errors: no ZLIB formula available
When I brew doctor I get the following error:
dyld: Library not loaded: /usr/lib/libltdl. 7.dylib
Referenced from: /usr/local/bin/php
Reason: image not found
Error: No available formula for
Cache – Why does L2ARC provide more acceleration for directory traversal?
L2Arc is usually configured to cache random rotating disk reads on SSD. I have set this configuration and hope to speed up directory traversal.
This is Settings:
# zpool list -v
NAME SI
What is it in the 2019 South China University of Technology? Is there any empty? Can you come to alchem? (Thinking of thinking)
https://ac.nowcoder.com/acm/contest/625/B
Analysis:
All status is only 1<< 18, so we can preprocess f[u][j], and then build a state diagram of all the states that u can transfer;