在处理数据库时遇到“table 'student' already exists”的错误,通常意味着你尝试创建的表名在数据库中已经存在。根据给出的提示,我们可以分步骤来处理这个问题: 1. 确认'student'表是否已存在 首先,你需要确认数据库中是否确实已经存在一个名为'student'的表。这可以通过查询数据库的系统表或使用数据库的特定命令来...
A table STUDENT already exists with all columns but no primary key. Write SQL for each of the following: a) add a column named dob (data type date and always requires value), and b) create a composite primary key using columns G-Number and...
a你不应该看太多的电视 You should not watch too many televisions[translate] asleeve placket height``` 袖子placket高度```[translate] aask you to be friends with a new student 要求您是朋友与一名新的学生[translate] aWhat you are doing the same table 正在翻译,请等待...[translate]...
We have carried on a middle-school student sleep quality investigation, discovered after the result, the middle-school student majority people rest the insufficient seven hours, some student even insufficient six hours.This situation is lower than eight hour sleep standards greatly.[translate] ...
android.database.sqlite.SQLiteException: table my_table already exists (code 1 SQLITE_ERROR): , while compiling: CREATE TABLE my_table(id INTEGER PRIMARY KEY AUTOINCREMENT,production_name TEXT,production_price REAL)就是说my_table表已经存在,无法创建重名的数据表。
a请输入您需要翻译的文本!two student come into the room. theg have got a big box.lnside,there are some bananas. the monkegs see them.theg are verg happg. Please input the text which you need to translate! two student come into the room. theg have got a big box.lnside, there are ...
aAll of the student haven't their danger when we got there 当我们到那里,所有学生没有他们的危险 [translate] aWhich train is the slowest of the three 正在翻译,请等待... [translate] a你的桌子上放了好多东西,很乱,是不是该整理一下了。 On your table has put many things, very chaotic, ...
aAll of the student haven't their danger when we got there 当我们到那里,所有学生没有他们的危险[translate] aWhich train is the slowest of the three 正在翻译,请等待... [translate] a你的桌子上放了好多东西,很乱,是不是该整理一下了。 On your table has put many things, very chaotic, was...
一个普通电脑就能储存一个普通图书馆的信息 The information is extremely easy to obtain now.An ordinary computer can store up an ordinary library the information [translate] afunction 'void __cdecl print_table_row_total(struct student *)' already has a body 正在翻译,请等待... [translate] ...
a“THE BEST OF 2009”feature the hottest restaurants, bars, hotels, shops opening in the region 正在翻译,请等待... [translate] aglobal manufacturers aim to make it big in china 使它大的全球性制造商目标在瓷 [translate] a你们学校留学生多么 Your school foreign student how [translate] aYou ...