How do i fix mysql error 1062?
The master's snapshot is created by: Show
This dump file is imported on the slave (which is started with
But I got the following error when executing the
There is only one record with ID 115846 on the master:
Try to skip some queries with:
didn't help. I don't want to skip those errors by adding:
to What may be the reason for this error? UPDATE
Which steps that you think I don't follow the document?
No, it works as normally if I also change the master to corresponding coordinates.
Is delete (move) all the datadir enough? I did that and get the same result. Reply to @Dmytro Leonenko
I backed up the datadir, delete all and run
I'm wondering why Master_Log_Pos is 4? Duplicate Entry error is a very common error that has been experienced by users working with databases. Users have reported that the error has commonly occurred when using the SQL. The error appears when updating the tables. Furthermore, the error has occurred in several scenarios which include using Laravel, PHP, Atlassian, Joomla, and similar web development and databases. Now in this article, the objective is to give you important information regarding the error and to give you some methods by which you can fix the issue by yourself in no time. But before let’s go through its causes. Causes of Duplicate Entry Error Problem IssueWhile researching about the error and its possible solution we come up with some very common users that have been reported by the users. The Duplicate Entry error appears because of multiple reasons depending like if you are working with SQL possible the error comes because of the duplicate key, unique data field, or data type -upper limit. Also if the table indexes are corrupted then also the error seems to appear. However, the error also occurs due to mistakes in the codes or the way the user is updating or modifying the table.
Similar Types of Duplicate Entry Error Problem Issue
In this section, we will try to cover some methods that you can try to resolve the Duplicate Entry Error. The following are the methods we will go through. Since we do not know the actual cause of the issue we will be giving you solutions according to the scenarios. 1. The Value Already Exist (Duplicate Value)Now the #1062 – duplicate entry ‘1’ for key ‘primary’ Error may occur when the data or value which you are trying to insert already exists in the Primary key. Furthermore, it is important to know that the Primary key does not accept duplicate entries. To resolve this you can do the below steps.
ALTER TABLE ‘table_name’ ADD ‘column_name’ INT NOT NULL AUTO_INCREMENT PRIMARY KEY; **NOTE: You can ignore the Primary key column while inserting values.
Alternatively,
you can put NULL vale to Primary Key which in turn automatically generates sequence numbers. 2. Unique Data FiledThe error also appears when an existing table has been set to unique. So when you try to add any column the error appears. So the simple fix to this duplicate entry for key ‘primary’ issue is to create a new column but don’t set it to the Unique field. Insert whatever data you wish to insert and the set is as unique if you want to. 3. Data Limit Out Of RangeThe error also appears when if you have been using the auto_increment function and the data exceeds the limit of auto_increment function the #1062 – duplicate entry ‘0’ for key ‘primary’ error appears. Suppose you have assigned the primary key column as something. And the limit of the auto_increment is set to a max of 127. Now when you enter a new record whose id is more than 127 the error will emerge. To fix this follow the steps.
ALTER TABLE ‘table_name’ MODIFY ‘column_name’ INT UNSIGNED NOT NULL AUTO_INCREMENT;
mysql> SELECT LAST_INSERT_ID(); 4. Creating a New Database & ImportingIf you have tried the above methods and the duplicate entry 0 for key primary error still persists, try the below step to fix the issue.
mysqldump database_name > database_name.sql
DROP DATABASE database_name;
CREATE DATABASE database_name;
mysql database_name < database_name.sql;
5. When Importing Table from Database in PHPmyadminThe error has been seen when the user tries to import the exported tables in PHPMyAdmin the duplicate entry for key primary error seems to appear. Follow the steps to do it the right way.
6. Duplicate UsernameOne of the users has been facing the issue because the database does not allow duplicate usernames. So kindly make sure that the username is unique. To fix this how to remove the duplicate entry in excel issue follow the steps.
SELECT username FROM #__users GROUP BY username HAVING COUNT(*) > 1 **NOTE: Instead of #_ use the prefix for your tables.
7. Other Troubleshooting Points
Conclusion:In this troubleshooting, we have seen various methods that are the solution to fix Duplicate Entry Error. The error may appear due to multiple reasons and we have tried to cover most of them. Furthermore, we have also talked about the possible causes that lead to this error. We hope this Duplicate Entry troubleshooting guide fixed your issue. For articles on troubleshooting and tips follow us. Thank You! What is connection failed 1062?If you have received this warning on your PC, it means that there was a malfunction in your system operation. Error code "Error 1062" is one of the issues that users may get as a result of incorrect or failed installation or uninstallation of software that may have left invalid entries in system elements.
What is duplicate entry for key primary?When creating a primary key or unique constraint after loading the data, you can get a “Duplicate entry for key 'PRIMARY'” error. If the data in the source database is valid and there are no any duplicates you should check which collation is used in your MySQL database.
How do I fix a duplicate entry in MySQL?Create a new table with the same structure as the original table that we will use to remove duplicate records. 2. Insert unique (distinct) rows of the original table into the newly created table. GROUP BY column; //It is the name of a column that contains duplicate values.
What are error codes in MySQL?Shared MariaDB/MySQL error codes. |