mysql - Eduguru - Page 15

mysql reset password

Reset mysql root password

February 6, 2015February 6, 2015 Satya Prakash 0 Comments Reset mysql root password, Steps to reset the mysql root password Step # 1 : Stop mysql service # /etc/init.d/mysql stop Step # 2: Start to MySQL server w/o password: # mysqld_safe --skip-grant-tables Step # 3: Connect to mysql

Steps to reset the mysql root password Step # 1 : Stop mysql service # /etc/init.d/mysql stop Step # 2: Start

MySQL Master-Master-Slave-Slave Replication

January 25, 2015February 12, 2016 Satya Prakash 46 Comments Here we are going to create a Master -> Master -> Slave -> Slave replications architecture. database_structure I am expecting here, in this example we have 2. Now restart MySQL. Master 2 (Slave 1) Modify your MySQL config file. Add the following in [mysqld] [mysqld] server-id=2 auto_increment_offset=2 auto_increment_increment=2 lo, it does as the name suggests - offsets the auto increment value. auto_increment_increment should be set to the number of servers you have as masters, located in /etc directory. (vi /etc/my.conf) Add the following lines to [mysqld] [mysqld] server-id=1 auto_increment_offset=1 auto_increment_increment=2 log-bin binlog-ignore-db=mysql binlog-ignore-db, MySQL Master-Master-Slave-Slave Replication, under [mysqld] put the following [mysql] server-id=4 master-host = 10.1.1.2 master-user = replication master-password = password master-port = 3306 Save and restart MySQL. Open a MySQL prompt and run , under [mysqld] put the following [mysqld] server-id=3 master-host = 10.1.1.1 master-user = replication master-password = password master-port = 3306 Save and restart MySQL. Open a MySQL prompt and run, usually named my.cnf or mysql.cnf, you have MySQL installed and set-up as normal. Master 1 will be known as Master 1 and Slave 2 with IP 10.1.1.1 Master 2 will be known as Master 2 and Slave 1 with IP 10.1.1.2 Slave 1 will be known as

Here we are going to create a Master -> Master -> Slave -> Slave replications architecture. I am expecting here , you

convert time in seconds to HH:MM:SS format in MySQL?

December 29, 2014December 29, 2014 eduguru 29 Comments “Date and Time Types”, 000 results (0.47 seconds) Search Results 12.7 Date and Time Functions - MySQL dev.mysql.com › ... › 12 Functions and Operators See Section 11.3, 12-hour (hh:mm:ss AM or PM). %S, 2010 - 4 posts - ‎2 authors Hi, 2010 - Output is in seconds. convert to hh:mm:ss format in php ... My output is in the format of 290.52262423327 seconds. How can i change this to 00:04:51? .... How to convert time in seconds to HH:M, 2013 - There is a MYSQL function that transform seconds to the format "HH:MM:SS": SEC_TO_TIME(seconds). Example: SELECT SEC_TO_TIME(3661);. Output is in seconds. convert to hh:mm:ss format in php stac, 24-hour (hh:mm:ss). %u. 1 2 3 4 5 6 7 8 9 10 Next Sector 44, and second to hh:mm:ss format. MySQL in a Nutshell - Page 507 - Google Books Result https://books.google.co.in/books?isbn=1449379370 Russell J.T. Dyer - 2008 - ‎Computers CHAR Data type Format Range T, click here to turn off Google Instant. WebVideosImagesMapsNewsMoreSearch tools About 2, convert time in seconds to HH:MM:SS format in MySQL?, Converts seconds to 'HH:MM:SS' format. SECOND() ... Date & Time Functions - MySQL Resources | resources for ... mysqlresources.com/date-time This MySQL function returns the current time in hh:mm:s, Converts seconds to 'HH:MM:SS' format. sql - How to convert time in seconds to HH:MM:SS format in ... stackoverflow.com/.../how-to-convert-time-in-seconds-to-hhmmss-forma... Sep 20, date_time) as result from MAP_tbl where ... Conversion of Oracle TO_CHAR(datetime) with format string ... doc.ispirer.com/sqlways/Output/SQLWays-1-073.html Mapping of datetime format specifiers betwee, for a description of the range of values each date and ... SEC_TO_TIME(), Haryana - From your Internet address - Use precise location - Learn more Help Send feedback Privacy Terms, In MySQL the CONVERT_TZ() returns a resulting value after converting a datetime value from a time zone specified as the second argument ... In MySQL the CURRENT_TIME() returns the current time in 'HH:, My sql command below gives me; hh:mm:ss - like so - 01:04:16 [code] select TIMEDIFF(now(), SEC_TO_TIME()., Seconds (00-59). converting a mysql DATETIME (HH:mm:ss) to seconds ... www.coderanch.com › Java Forums › Databases › JDBC Jan 27, SQL Server. ... SQL Create Index SQL Drop SQL Alter SQL Auto Increment SQL Views SQL Dates SQL Null Values SQL Null Functions SQL Data Types SQL DB ... Where date is a valid date and format specifies , You can use MySQL function SEC_TO_TIME(). Example: SELECT SEC_TO_TIME(2378); Output is: 00:39:38

You can use MySQL function SEC_TO_TIME(). Example: SELECT SEC_TO_TIME(2378); Output is: 00:39:38

Resolved : mysql replica : Relay log read failure: Could not parse relay log event entry.

December 12, 2014 eduguru 8 Comments I'm not sure what the root cause may be. But to recover from this situation, MASTER_LOG_POS = 143983426; mysql> START SLAVE;, Resolved : mysql replica : Relay log read failure: Could not parse relay log event entry., you'd want to instruct MySQL to clear out all the relay-bin-logs beyond the following point Relay_Master_Log_File: mysql-bin.000xxx Exec_Master_Log_Pos: 143983426 by doing the following: mysql> STO

I’m not sure what the root cause may be. But to recover from this situation, you’d want to instruct MySQL

Asterisk Databse mysql

Failed to connect to MySQL-asterisk

November 6, 2014 eduguru 1 Comment [unixODBC][Driver Manager]Data source name not found, and no default driver specified", asterisk database dns configuration, asterisk mysql dns, asterisk odbc configuration, asterisk odbc connection, Error SQLConnect=-1 errno=0 [unixODBC][Driver Manager]Data source name not found, Failed to connect to MySQL-asterisk, Files need to check are: /etc/asterisk/res_odbc.conf /etc/odbcinst.ini To resolve this, MySQL ODBC functions not returning any data, res_odbc.c:565 odbc_obj_connect: res_odbc: Error SQLConnect=-1 errno=0, You have to check the correct configuration of above file. For Example : in -- /etc/odbcinst.ini [MySQL] Description = ODBC for MySQL Driver = /usr/lib/libmyodbc3.so Setup = /usr/lib/libodbcmyS.so Fil

Files need to check are: /etc/asterisk/res_odbc.conf /etc/odbcinst.ini To resolve this , You have to check the correct configuration of above

phpmyadmin error

Databse Error mysql

Import large csv file using phpMyAdmin

October 15, 2014 eduguru 0 Comments Getting Error while upload large file from phpMyAdmin: Soution: change the memory limit in php.ini file both upload_max_filesize and post_max_size also. Then restart the httpd service (web service), Import large csv file using phpMyAdmin, You probably tried to upload a file that is too large. Please refer to documentation for a workaround for this limit.

Getting Error while upload large file from phpMyAdmin: Soution: change the memory limit in php.ini file both upload_max_filesize and post_max_size also. Then restart the httpd

mysql master - slave replication

MySQL Skip Duplicate Replication Errors : skip replication error

October 13, 2014October 13, 2014 eduguru 2 Comments 'ALL', and from here we have: _ Error: 1062 SQLSTATE: 23000 (ER_DUP_ENTRY) Message: Duplicate entry ‘%s’ for key %d_ You can skip also other type of errors, and keep the data consistent with the mater that has sent the query. You can skip such errors, as long as you know really well what are those queries and why they are failing, but again don’t do this unless you understand very well what those queries are and what impact they have on your data: slave-skip-errors=[err_code1, err_code2, etc. For example you can skip just one query that is hanging the slave using: mysql>SET GLOBAL SQL_SLAVE_SKIP_COUNTER=1; START SLAVE; There might be cases where you will want to skip more queries. , even if this is not recommended, MySQL Skip Duplicate Replication Errors : skip replication error, Normally MySQL replication will stop whenever there is an error running a query on the slave. This happens in order for us to be able to identify the problem and fix it, you would add to your my.cnf: slave-skip-errors = 1062 As shown above in my example 1062 is the error you would want to skip

Normally MySQL replication will stop whenever there is an error running a query on the slave. This happens in order for us

MySQL Cluster

unauthenticated user in MYSQL process list

September 26, 2014February 21, 2016 eduguru 0 Comments skip-host-cache, skip-locking, skip-networking, skip-networking skip-name-resolve skip-host-cache skip-locking, Some time in mysql process list you may see "unauthenticated user" increasing up it look like: | 1004 | unauthenticated user | xxx.xxx.xxx.xxx:4455 | NULL | Connect | NULL | login | NULL | Edit my.cnf, unauthenticated user in MYSQL process list

Some time in mysql process list you may see “unauthenticated user” increasing up it look like: | 1004 |

Managing Views in MySQL : Showing mysql view definition

September 22, 2014September 22, 2014 eduguru 0 Comments CONCAT (M.lastname, CONCAT(M.lastname, E.email AS employeeEmail, E.firstname) AS Employee, if you want to remove the organization view, M.firstname) AS Manager FROM employees AS E INNER JOIN employees AS M ON M.employeeNumber = E.ReportsTo ORDER BY Manager To display the view’s definition, M.firstname) AS Manager FROM employees AS E INNER JOIN employees AS M ON M.employeeNumber = E.ReportsTo ORDER BY Manager To verify the change, Managing Views in MySQL : Showing mysql view definition, modifying and removing views., modifying and removing views. Show view definition in MySQL MySQL provides the SHOW CREATE VIEW statement that helps you show view definition. The following is the syntax of the SHOW CREATE VIEW state, MySQL makes a back up of the view definition file to the/database_name/arc/ folder. In case you modify or remove a view by accident, Summary: in this tutorial, to open the organization view definition, we create a simple view against the employees table that displays the company’s organization structure: 12 3 4 5 6 7 8 CREATE VIEW organizationAS SELECT CONCAT (E.lastname, which allows you to check whether the view exists or not. It helps you avoid an error of removing a non-existent view. For example, you can find the view definition file with the following path: \data\classicmodels\organization.frm Modifying views Once a view is defined, you can get a back up from there. In this tutorial, you can modify it by using the ALTER VIEW statement. The syntax of theALTER VIEW statement is similar to the CREATE VIEW statement except the CREATE keyword is replaced by the ALTER keyword. 12 3 4 5 , you can query data from the organization view: 1 SELECT * FROM Organization MySQL drop views Once a view created, you can remove it by using the DROP VIEW statement. The following illustrates the syntax of the DROP VIEW statement: 1 DROP VIEW [IF EXISTS] [database_name].[view_name] The IF EXISTS is the optional e, you can use the DROP VIEWstatement as follows: 1 DROP VIEW IF EXISTS organization Each time you modify or remove a view, you have learned how to manage views in MySQL including displaying, you just need to specify its name after the SHOW CREATE VIEWkeywords. Let’s create a view for the demonstration. First, you use the SHOW CREATE VIEW statement as follows: 1 SHOW CREATE VIEW organization You can also display the definition of the view by using any plain text editor such as notepad to open the view defin, you will learn how to manage views in MySQL including displaying

Summary: in this tutorial, you will learn how to manage views in MySQL including displaying, modifying and removing views. Show view definition

mysql create user and grant permission

September 12, 2014April 19, 2015 eduguru 0 Comments create mysql user, Create user CREATE USER 'super'@'%' IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C'; Grant Permission: GRANT ALL ON *.* TO easy@'10.0.20.212';, grant permission in mysql, mysql create user and grant permission

Create user CREATE USER ‘super’@’%’ IDENTIFIED BY PASSWORD ‘*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C’; Grant Permission: GRANT ALL ON *.* TO easy@’10.0.20.212′; Flush Privileges: FLUSH PRIVILEGES