It’s working as intended. Your MySQL server has been started with –secure-file-priv option which basically limits from which directories you can load files using LOAD DATA INFILE. You may use SHOW VARIABLES LIKE “secure_file_priv”; to see the directory that has been configured. You have two options: Move your file to the directory specified by secure-file-priv. … Read more
You can reset your root password. Have in mind that it is not advisable to use root without password.
I can’t quite get a grasp of MySQL’s DECIMAL. I need the row to be able to contain a number anywhere from 00.0001 to 99.9999. How would I structure it to work like so?
Syntax strictly depends on which SQL DBMS you’re using. Here are some ways to do it in ANSI/ISO (aka should work on any SQL DBMS), MySQL, SQL Server, and Oracle. Be advised that my suggested ANSI/ISO method will typically be much slower than the other two methods, but if you’re using a SQL DBMS other … Read more
SQLFiddle will let you test out your queries, while it doesn’t explicitly correct syntax etc. per se it does let you play around with the script and will definitely let you know if things are working or not.
I always default to NOT EXISTS. The execution plans may be the same at the moment but if either column is altered in the future to allow NULLs the NOT IN version will need to do more work (even if no NULLs are actually present in the data) and the semantics of NOT IN if NULLs are present are unlikely to be the ones you … Read more
Rather slow, but working method to include any of words: If you need all words to be present, use this: If you want something faster, you need to look into full text search, and this is very specific for each database type.
Renaming a table is not working in MySQL The error message is The query is working fine on other tables for me, but not with the table group.
Sample DDL Make sure that the table is deleted after use
From @gmmastros’s answer Whenever you see the message…. string or binary data would be truncated Think to yourself… The field is NOT big enough to hold my data. Check the table structure for the customers table. I think you’ll find that the length of one or more fields is NOT big enough to hold the data … Read more