insert into on duplicate key update multiple rows
It would not be optimal to write a loop and for each row, check if email exists (assuming this is the unique criteria for a user), and then insert or update. You want to offload such logic to the database and do it all with 1 query. This leaves you with ,INSERT INTO t1 (a,b,c) VALUES (1,2,3) ON DUPLICATE KEY UPDATE c=c+1; UPDATE t1 SET c=c+1 ... This function is especially useful in multiple-row inserts. ,INSERT ON DUPLICATE KEY UPDATE multiple rows at once ... connection.query("INSERT INTO rates (exchange,currency1,currency2,buyrate,sellrate) ... , Your Query is perfectly fine and should exactly produce the result you are expecting. The Error Message Unknown column 'user3' in 'field list'., INSERT INTO tb (name, date, stat1, stat2, stat3) VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE stat1 = stat1 + VALUES(stat1), stat2 ..., ... ON DUPLICATE KEY UPDATE coords=values(coords), name=values(name), owner=values(owner), pgm=values(pgm), met=values(met), ..., Use keyword VALUES to refer to new values (see documentation). INSERT INTO beautiful (name, age) VALUES ('Helen', 24), ('Katrina', 21), ..., INSERT INTO table_name (a,b,c) VALUES (1,2,3), (4,5,6), (7,8,9); [/sourcecode] ... ON DUPLICATE KEY UPDATE c = c + 1; [/sourcecode]., Use keyword VALUES to refer to new values (see documentation). INSERT INTO beautiful (name, age) VALUES ('Helen', 24), ('Katrina', 21), ...,ON DUPLICATE KEY UPDATE to update multiple records. If a new record is added ( inserted ) then number of affected rows = 1. If a record is updated with new data then number of affected rows = 2. If a new record is updated with same data then number of aff
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 insert into on duplicate key update multiple rows 相關參考資料
How to insert or update multiple items in MySQL and WordPress ...
It would not be optimal to write a loop and for each row, check if email exists (assuming this is the unique criteria for a user), and then insert or update. You want to offload such logic to the dat... http://techslides.com Insert Duplicate Key Update - MySQL :: Developer Zone
INSERT INTO t1 (a,b,c) VALUES (1,2,3) ON DUPLICATE KEY UPDATE c=c+1; UPDATE t1 SET c=c+1 ... This function is especially useful in multiple-row inserts. https://dev.mysql.com INSERT ON DUPLICATE KEY UPDATE multiple rows at once - Stack Overflow
INSERT ON DUPLICATE KEY UPDATE multiple rows at once ... connection.query("INSERT INTO rates (exchange,currency1,currency2,buyrate,sellrate) ... https://stackoverflow.com INSERT ON DUPLICATE KEY UPDATE multiple rows, checking duplicate ...
Your Query is perfectly fine and should exactly produce the result you are expecting. The Error Message Unknown column 'user3' in 'field list'. https://stackoverflow.com MySQL insert row on duplicate key update multiple columns - Stack ...
INSERT INTO tb (name, date, stat1, stat2, stat3) VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE stat1 = stat1 + VALUES(stat1), stat2 ... https://stackoverflow.com MySQL InsertUpdate Multiple Rows Using ON DUPLICATE KEY - Stack ...
... ON DUPLICATE KEY UPDATE coords=values(coords), name=values(name), owner=values(owner), pgm=values(pgm), met=values(met), ... https://stackoverflow.com MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single ...
Use keyword VALUES to refer to new values (see documentation). INSERT INTO beautiful (name, age) VALUES ('Helen', 24), ('Katrina', 21), ... https://stackoverflow.com MySQL: INSERT ON DUPLICATE and Multiple Rows – Joseph Scott
INSERT INTO table_name (a,b,c) VALUES (1,2,3), (4,5,6), (7,8,9); [/sourcecode] ... ON DUPLICATE KEY UPDATE c = c + 1; [/sourcecode]. https://blog.josephscott.org sql - MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in ...
Use keyword VALUES to refer to new values (see documentation). INSERT INTO beautiful (name, age) VALUES ('Helen', 24), ('Katrina', 21), ... https://stackoverflow.com Update multiple records by using ON DUPLICATE KEY UPDATE in ...
ON DUPLICATE KEY UPDATE to update multiple records. If a new record is added ( inserted ) then number of affected rows = 1. If a record is updated with new data then number of affected rows = 2. If a ... https://www.plus2net.com |