I am trying to sync between 2 tables: I have active table where has auto_increment, and I have archive table with the same values.
for ex开发者_如何学Cample i have about 500 lines. in the beginning of each line i want to add a number. so in line 1 i would want \"1)\" and then line 2 i would want \"2)\"
I\'m thinking abo开发者_如何转开发ut writing an app with question and answer model. Answer has increment attribute that anyone can change to change the rating value. So if I click up on answer that so
While I\'ve been writing php for a long time, it was always a skill I learnt myself and I\'ve just hit a minor crisis of confidence over table joins!
I have a table Messages with columns ID (primary key, autoincrement) and Content (text). I have a table Users with columns username (primary key, text) and Hash.
What do these mean in MySQL? I\'m using MySQL workbench and I see I can specify a new column as these... (I noted my guesses)
One server increment 1, 3, 5. The othe开发者_Go百科r server increment 2, 4, 6Based on this insightful tutorial: http://www.howtoforge.com/mysql_master_master_replication#comment-12927
I have a 100 million rows, and it\'s getting too big. I see a lot of gaps. (since I delete, add, delete, add.)
It appears that there is no concept of AUTO_INCREMENT in Oracle, up until an开发者_运维技巧d including version 11g.
Is there a way in po开发者_如何学Cstgresql to have an auto-incrementing column reset back to zero at a specified time every day?It could be pretty trivial with a cronjob
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