Languages :: Java :: how to retrieve autoincrement value insert mysql jsp |
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By: Nono  |
Date: 14/06/2007 14:09:39  |
Points: 20 | Status: Answered Quality : Excellent |
| how to retrieve in jsp the autoincrement value of the last insert in mysql ? | |||
| By: VGR | Date: 14/06/2007 14:50:06 | |
Type : Answer |
| the official answer is to use mysql_last_insert_id(), but other solutions do exist : - query "id" (or your PRI KEY/AUTOINC column name) from the same table with ORDER BY id DESC LIMIT 1; // not 100% reliable, but usually is - query "id" from the same table with discriminant values that return the same row as the one that was inserted // 100% reliable - query "show table status" , retrieve your column name and get the "Auto_increment" column... (this is the next value as the one inserted IMHO) // no more reliable as the first solution, but no more unreliable either - human imagination is infinite... |
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