The criteria expression is the part of the query containing the conditions, as in WHERE <condition>. Look at those specifically. The error message means you’re comparing two things (this equals that, or this less than that, etc.) that are of two different, and incompatible types (comparing a number to a string, for example). You can find … Read more
You’re going to want to add Python to your Path Environment Variable in this way. Go to: My Computer System Properties Advance System Settings Under the “Advanced” tab click the button that says “Environment Variables” Then under System Variables you are going to want to add / change the following variables: PYTHONPATH and Path. Here is a paste … Read more
Try: Check MySQL Options. Note 1: It is better to use the full path of the SQL file file.sql. Note 2: Use -R and –triggers to keep the routines and triggers of original database. They are not copied by default. Note 3 You may have to create the (empty) database from MySQL if it doesn’t exist already and the exported SQL don’t contain CREATE DATABASE (exported … Read more
You need to enable it. Check out the Permission section of the xp_cmdshell MSDN docs: http://msdn.microsoft.com/en-us/library/ms190693.aspx:
The image below helps show the differences between B+ trees and B trees. Advantages of B+ trees: Because B+ trees don’t have data associated with interior nodes, more keys can fit on a page of memory. Therefore, it will require fewer cache misses in order to access data that is on a leaf node. The … Read more
|| represents string concatenation. Unfortunately, string concatenation is not completely portable across all sql dialects: ansi sql: || (infix operator) mysql: concat ( vararg function ). caution: || means ‘logical or’ (It’s configurable, however; thanks to @hvd for pointing that out) oracle: || (infix operator), concat ( caution: function of arity 2 only ! ) postgres: || (infix operator) sql server: + (infix operator), concat ( vararg function ) sqlite: || (infix operator) hopefully the confusion is complete … Read more
You can reset the counter with: For InnoDB you cannot set the auto_increment value lower or equal to the highest current index. (quote from ViralPatel): Note that you cannot reset the counter to a value less than or equal to any that have already been used. For MyISAM, if the value is less than or equal to the maximum value … Read more
For InnoDB, the following seems to work: create the new empty database, then rename each table in turn into the new database: You will need to adjust the permissions after that. For scripting in a shell, you can use either of the following: OR Notes: There is no space between the option -p and the password. If your … Read more
How to split the name string in mysql ? E.g.: Split the name like firstname,middlename,lastname:
Because of your password. You can see password validate configuration metrics using the following query in MySQL client: The output should be something like that : then you can set the password policy level lower, for example: Check the MySQL Documentation.