mariadb insert select on duplicate key update
,ON DUPLICATE KEY UPDATE是MariaDB/MySQL对INSERT语句的扩展，当插入数据 .... ALTER TABLE ins_duplicate DROP id2; SELECT Auto_increment FROM ... ,Convert errors to warnings, permitting inserts of additional rows to continue. ,ON DUPLICATE KEY UPDATE numeric_val = VALUES(numeric_val); ... doing an insert select where you join and filter out the duplicates in what gets selected. , You have 1 row in email_templates_pending, but no rows in email_templates. That may be the reason why 0 row affected. No row is in the ..., MySQL will assume the part before the equals references the columns named in the INSERT INTO clause, and the second part references the ...,if you want to change the value with the new one, you can use: ON DUPLICATE KEY UPDATE doctets = VALUES(doctets) ;. or if you want to add the new value ... , ... 前先SELECT一下是否已存在該筆資料。 這雖然沒問題，但寫程式時會很麻煩。 還好MYSQL提供一個INSERT ... ON DUPLICATE KEY UPDATE ..., MySQL / Mariadb. MySQL ... 以前要這樣做, 需要先用SELECT 判斷, 就像這樣: ... ON DUPLICATE KEY UPDATE 語句, 可以一行就完成, 無需用IF ...
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 mariadb insert select on duplicate key update 相關參考資料
INSERT ON DUPLICATE KEY UPDATE - MariaDB Knowledge Base
https://mariadb.com INSERT ON DUPLICATE KEY UPDATE - MariaDB
ON DUPLICATE KEY UPDATE是MariaDB/MySQL对INSERT语句的扩展，当插入数据 .... ALTER TABLE ins_duplicate DROP id2; SELECT Auto_increment FROM ... https://mariadb.com INSERT IGNORE - MariaDB Knowledge Base
Convert errors to warnings, permitting inserts of additional rows to continue. https://mariadb.com on duplicate key work around - MariaDB Knowledge Base
ON DUPLICATE KEY UPDATE numeric_val = VALUES(numeric_val); ... doing an insert select where you join and filter out the duplicates in what gets selected. https://mariadb.com MariaDB INSERT INTO... SELECT... ON DUPLICATE KEY UPDATE affecting ...
You have 1 row in email_templates_pending, but no rows in email_templates. That may be the reason why 0 row affected. No row is in the ... https://stackoverflow.com INSERT INTO ... SELECT FROM ... ON DUPLICATE KEY UPDATE - Stack ...
MySQL will assume the part before the equals references the columns named in the INSERT INTO clause, and the second part references the ... https://stackoverflow.com Insert into ... (...) (Select...) on duplicate key update - DBA ...
if you want to change the value with the new one, you can use: ON DUPLICATE KEY UPDATE doctets = VALUES(doctets) ;. or if you want to add the new value ... https://dba.stackexchange.com Mysql INSERT ... ON DUPLICATE KEY UPDATE 寫法@新精讚
... 前先SELECT一下是否已存在該筆資料。 這雖然沒問題，但寫程式時會很麻煩。 還好MYSQL提供一個INSERT ... ON DUPLICATE KEY UPDATE ... http://n.sfs.tw MySQL 語法- INSERT ... ON DUPLICATE KEY UPDATE - Linux 技術手札
MySQL / Mariadb. MySQL ... 以前要這樣做, 需要先用SELECT 判斷, 就像這樣: ... ON DUPLICATE KEY UPDATE 語句, 可以一行就完成, 無需用IF ... https://www.opencli.com |