如果实际上没有插入记录的话,我希望插入一个记录。
让我们说,它有三个领域,即名称、地址。
如果该名字没有预先添加,我想以名字写新记录。
我们能够在单一彩礼中做到这一点。 Seems好像其与Qries的差别不大。
如果实际上没有插入记录的话,我希望插入一个记录。
让我们说,它有三个领域,即名称、地址。
如果该名字没有预先添加,我想以名字写新记录。
我们能够在单一彩礼中做到这一点。 Seems好像其与Qries的差别不大。
是的,你可以通过单一询问这样做。
www.un.org/Depts/DGACM/index_spanish.htm www.sqlite.org/lang_conflict.html”rel=“noretinger” http://www.sqlite.org/lang_conflict.html。
如果名字已经存在,那就会造成冲突。
违约是ABORT,所以没有签字,该声明将重犯错误。 如果你不希望,则使用签字。
如果您不能使用<代码> UNIquest INDEX injoint with INSERT INTO
或INSERT OR IGNOR TUORE INTO
, 您可提出类似问题;
INSERT INTO table (column)
SELECT value
WHERE NOT EXISTS (SELECT 1
FROM table
WHERE column = value)
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