Just recently I am back in development from support and development. So, I need to refresh my memory. Many times I have used implode() for checking whether something is in list or not using – Select … where in list. This time list items was string and not numbers. So,… READ MORE

How to know which database is in use currently? For using a particular database, MySQL has <code>Use </code> statement. After you execute USE statement, by default all the query will be executed against the database mentioned in USE statement.

Use database_name;

For using other database after this statement, you can… READ MORE

Here are some of the generally used queries. These are important and useful.

1. >mysql –user=root mysql

default user name is “root”. And there is no password.

2. >grant all privileges on *.* to ’sat@localhost’ identified by ’satpwd’ with grant option;

’sat’@'localhost’ -> sat is username and localhost is mysql… READ MORE

How to remove duplicate entries from a table? Here are few methods for deleting duplicate rows/records from a table in mysql. The same concept will work in other database table for example, Oracle, as well.
Methods of deleting duplicate records in a table:-
1. Alter table for adding unique index… READ MORE

For international languages support utf8 is required in mysql column/field. MySQL allows to set  different character set on each different columns.
MySQL 5.0 supports two Unicode character sets: UCS2 and all familiar “utf8″.
Each Unicode character set has similar collations available to exactly suit many languages like ucs2_persian_ci and utf8_persian_ci.… READ MORE

Are you surprised why your mysql user-password is not working after upgradation to newer version of mysql server. Yes, It will not allow you to login in mysql server this way. Answer is simple: Just change your mysql password using old_password() function.

mysql> Set password = old_password(‘password’);

This will change… READ MORE

This is very simple Login and Logout Script. It is a simple script so that you can understand the logic and modify the script easily. No script can fulfill all your requirements in working condition so it is a small and simple script for you to modify.
It has referrer… READ MORE