You probably misunderstood/skipped point 4 in your list, Initialize MySQL. It means to either copy an existing data directory there or to create a new one, see Initializing the Data Directory Manually Using mysqld . To initialize a fresh data directory, you basically (after setting your config file) just have to run either or The … Read more
I’m using OS X (Yosemite) and this error happened to me when I upgraded from Mavericks to Yosemite. It was solved by using this command
I have not used Sequelize, but after reading its documentation, it’s obvious that you are instantiating a new object, that’s why Sequelize inserts a new record into the db. First you need to search for that record, fetch it and only after that change its properties and update it, for example:
Here is the solution: Login to DB; Run a command show full processlist;to get the process id with status and query itself which causes the database hanging; Select the process id and run a command KILL <pid>; to kill that process. Sometimes it is not enough to kill each process manually. So, for that we’ve to go with … Read more
http://dev.mysql.com/doc/refman/5.1/en/alter-table.html This will change the datatype of given column Depending on how many columns you wish to modify it might be best to generate a script, or use some kind of mysql client GUI
Definitely not a text field, but a varchar — perhaps. I wouldn’t recommend parsing the results and storing them in individual columns unless you want to take advantage of that data in database sense — statistics etc. If you never see yourself asking “What is the average volume that users use?” then don’t bother parsing it. To figure out … Read more
From what I can gather, the following should suffice, so long as the fields are what you have provided. EDIT (with Cursor) This should be pretty simple with a cursor, however I highly advise you familiarize yourself with these and the implications.
The correct way to avoid SQL injection attacks, no matter which database you use, is to separate the data from SQL, so that data stays data and will never be interpreted as commands by the SQL parser. It is possible to create SQL statement with correctly formatted data parts, but if you don’t fully understand … Read more
It turns out, the error is very vague indeed! 1) Password was setting while logged on as root, as it was updating the user/password field in the users table under MySql. 2) When logged on as user, password was in fact not changing and even though there was one specified in the users table in … Read more
Either remove the DEFINER=.. statement from your sqldump file, or replace the user values with CURRENT_USER. The MySQL server provided by RDS does not allow a DEFINER syntax for another user (in my experience). You can use a sed script to remove them from the file: