How do I use properly CASE..WHEN in MySQL
Remove the course_enrollment_settings.base_price immediately after CASE: CASE has two different forms, as detailed in the manual. Here, you want the second form since you’re using search conditions.
Database
MySQL ERROR 1290 (HY000) –secure-file-priv option
Ubuntu 16.04 (EASY): Find out where you are allowed to write Then, just write there Mac OSX: Mysql installed via MAMP Find out where you are allowed to write NULL means you’re screwed so you have to create the file “~/.my.cnf” Enable read/write for MySQL installed via MAMP (on Mac): open “MAMP” use spotlight click … Read more
Access denied for user ‘root@localhost’ (using password:NO)
You can reset your root password. Have in mind that it is not advisable to use root without password.
How to make MySQL table primary key auto increment with some prefix
If you really need this you can achieve your goal with help of separate table for sequencing (if you don’t mind) and a trigger. Tables Now the trigger Then you just insert rows to table1 And you’ll have | ID | NAME | —————— | LHPL001 | Jhon | | LHPL002 | Mark | Here … Read more
Can’t connect to local MySQL server through socket ‘/var/mysql/mysql.sock’ (38)
If your file my.cnf (usually in the /etc/mysql/ folder) is correctly configured with you can check if mysql is running with the following command: try changing your permission to mysql folder. If you are working locally, you can try: that solved it for me
ORA-00907: missing right parenthesis
I have been looking at this code for the past two days now and I can not seem to get it to work. It keeps giving me ORA-00907: missing right parenthesis. I know that this is a topic that comes up a lot but for some reason none of the examples I have seen has … Read more
ORA-00979 not a group by expression
You must put all columns of the SELECT in the GROUP BY or use functions on them which compress the results to a single value (like MIN, MAX or SUM). A simple example to understand why this happens: Imagine you have a database like this: and you run SELECT * FROM table GROUP BY foo. … Read more
How do I use MySQL through XAMPP?
XAMPP only offers MySQL (Database Server) & Apache (Webserver) in one setup and you can manage them with the xampp starter. After the successful installation navigate to your xampp folder and execute the xampp-control.exe Press the start Button at the mysql row. Now you’ve successfully started mysql. Now there are 2 different ways to administrate … Read more
What is this JavaScript “require”?
So what is this “require?” require() is not part of the standard JavaScript API. But in Node.js, it’s a built-in function with a special purpose: to load modules. Modules are a way to split an application into separate files instead of having all of your application in one file. This concept is also present in other languages … Read more
Must declare the scalar variable
You can’t concatenate an int to a string. Instead of: You need: To help illustrate what’s happening here. Let’s say @RowTo = 5. In order to build that into a string (even if ultimately it will be a number), I need to convert it. But as you can see, the number is still treated as … Read more