- Monday, February 14, 2011, 16:45
- Database, HOW TOs, Linux, MySQL
If you lost your mysql root password then try the following steps.
# /etc/init.d/mysql stop
# mysqld_safe --skip-grant-tables --user=root
Then from another shell,connect to mysql
# mysql -u root
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- Tuesday, December 7, 2010, 18:48
- Database, Java, SQL basics
public class DateExample {
public static void main(String args[]){
SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");//Date format
String date=null;
java.util.Date utilDate=new java.util.Date(sqlDate.getTime());// your Sql date value
date=formatter.format(utilDate);
System.out.println("String date "+date);
}
}
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- Monday, December 6, 2010, 18:54
- Database, Java, Java Core, SQL basics
public class stringToSqlDate {
public static void main(String args[]){
String strDate="17/12/2010";
java.util.Date dt=new java.util.Date(strDate);
java.sql.Date sqlDate=new java.sql.Date(dt.getTime());
System.out.println(sqlDate);
}
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- Tuesday, October 5, 2010, 4:51
- Database, MySQL
1. How to set password for root account in MySQL Server??
#mysqladmin -u root password your-new-password
#/etc/init.d/mysqld restart
2. How to add a new user account in MySQL Server??
From mysql frompt
CREATE USER IDENTIFIED BY PASSWORD 'password';
3. How to add privilleges ...
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Here is the sample shellscript to take backup of all batabase
{code codetype=php}
#!/bin/bash
export DB_BACKUP="/backup/mysql_backup"
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- Thursday, July 29, 2010, 7:21
- Database, Linux, MySQL
mysqldump to create a simple backup of database.Here we are using mysqldump to backup database 'db' to dumb.sql
#mysqldump -u root -p db >dumb.sql
This will ask for root password.After entering the root password database 'db' dump into dump.sql
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- Monday, July 26, 2010, 8:27
- Database, MySQL, SQL basics
This is the one of method to joining two tables. It returns all rows when there is at least one match in both tables
Syntax of the inner join query:
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- Monday, July 26, 2010, 8:21
- Database, MySQL, SQL basics
This is the one of method to joining two tables. It returns all rows from the left table, even if there are no matches in the right table
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- Monday, July 26, 2010, 8:16
- Database, MySQL, SQL basics
This is the one of method to joining two tables. It returns all rows from the left table, The RIGHT JOIN keyword Return all rows from the right table (table_name2), even if there are no matches in the left table (table_name1).
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