Keyword, errors that occur while executing the INSERT statement are Here’s a quote from MySQL reference manual: “If you use the IGNORE Here, if the ‘ensembl_transcript_id’ is already present in theĭatabase, it will be silently skipped (ignored). Method 2: using INSERT IGNORE Also very simple: INSERT IGNORE INTO `transcripts`
![mysql insert sql where record is null mysql insert sql where record is null](https://www.techfry.com/images/articles/mysql/what-is-null-in-sql.jpg)
However, using this method isn’t efficientįor our case: we do not need to overwrite existing records, it’s fine If the record exists, it will be overwritten if it does not yetĮxist, it will be created. It’s very simple: REPLACE INTO `transcripts` Repeated executions will not die due to ‘duplicate Repeated executions of the pipeline will not destroy our Might be broken at any step of execution. Meta-data from Ensembl, and that due to various reasons the pipeline Now imagine that we have an automatic pipeline importing transcripts
![mysql insert sql where record is null mysql insert sql where record is null](https://cdn.educba.com/academy/wp-content/uploads/2020/11/MySQL-INSERT-IGNORE-6.png)
`transcript_chrom_end` int(10) unsigned NOT NULL, `transcript_chrom_start` int(10) unsigned NOT NULL, `ensembl_transcript_id` varchar(20) NOT NULL, Imagine we have a table: CREATE TABLE `transcripts` ( There are 3 possible solutions: using INSERT IGNORE, REPLACE, or But there are several very easy ways to accomplish what is
![mysql insert sql where record is null mysql insert sql where record is null](https://i.stack.imgur.com/BAxZx.png)
To start: as of the latest MySQL, syntax presented in the title is not Post from according to Google's webcache:
MYSQL INSERT SQL WHERE RECORD IS NULL UPDATE
There's also INSERT … ON DUPLICATE KEY UPDATE syntax, you can find explanations on