MySQL 如何在mysql的现有表中添加另一个字段
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How to add another field in an existing table in mysql
提问by woninana
Okay, I have these table
好的,我有这些桌子
and I also have another table right here:
我这里还有一张桌子:
So,idAlbum is in the gallery table, what is the query for this? I want to select the data from one field in one table and insert it into a field in another table.
那么,idAlbum 在gallery 表中,这是什么查询?我想从一个表中的一个字段中选择数据并将其插入到另一个表中的一个字段中。
回答by Tomasz Kowalczyk
If you want to add a field in existing table in PhpMyAdmin, click "Structure" tab while viewing its data, and at the bottom of table structure you have nice box: "Add [number] fields at the [beginning / ending] of a table. Click the button on the right and processd with forms.
如果要在 PhpMyAdmin 中的现有表中添加字段,请在查看其数据时单击“结构”选项卡,在表结构的底部有一个不错的框:“在 [开始/结束]表格。单击右侧的按钮并使用表格进行处理。
回答by Sourav
INSERT INTO tbl_temp2 (fld_id)
SELECT tbl_temp1.fld_order_id
FROM tbl_temp1 WHERE tbl_temp1.fld_order_id > 100;