1
我有一個表名稱課程。它有以下數據:忽略重複項並在mysql中插入新記錄
mca
bca
msc
me
現在,當我在一個時間mca mtech輸入2個值。它應該接受mtech並忽略mca。請任何人幫助解決。
Field Type Collation Attributes Null Default Extra Action
id int(15) No None AUTO_INCREMENT Browse distinct values Change Drop Primary Unique Index Fulltext
register_number varchar(255) latin1_swedish_ci No None Browse distinct values Change Drop Primary Unique Index Fulltext
name varchar(255) latin1_swedish_ci No None Browse distinct values Change Drop Primary Unique Index Fulltext
course_code varchar(255) latin1_swedish_ci No None Browse distinct values Change Drop Primary Unique Index Fulltext
subject_code varchar(255) latin1_swedish_ci No None Browse distinct values Change Drop Primary Unique Index Fulltext
exam_name varchar(255) latin1_swedish_ci No None Browse distinct values Change Drop Primary Unique Index Fulltext
將ü介意分享你的表結構,請還烏爾所需的輸出,因爲它不是從你的問題不清楚。 –
如果列上有一個唯一鍵,您可以使用'INSERT IGNORE INTO ...' – Gryphius
[MySQL insert或更新/忽略重複]的可能重複(http://stackoverflow.com/questions/10775471/mysql-insert - 丁更新忽略重複) – guri