That is it only brings in one row of data for a unique key combination.
即它在一个唯一键组合上只会产生一行数据。
The row key is the primary key of the table and is typically a string.
行键是表的主键，通常是一个字符串。
Since the username is a primary key, there will be at most one matching row.
因为用户名(username)是主键，最多将有一行匹配。
Create a new row in the transtimes table with timestamp, unique key, and connect time.
用时间戳、惟一键和连接时间在transtimes表中创建一个新行。
Key Item locked: the key pointing to the locked row.
KeyItemLocked：指向锁定的行的键。
One column links to the form (the row in the table) using a foreign key.
一列使用一个外键链接到表单上(表中的一行)。
Each row contains the order key of the order it is part of.
每行包含它所属订单的订单键。
The output is 9: the correct primary key of the sole row that matches.
输出为9：匹配的单行的正确主键。
For a clustered table, the row locator is the clustered index key.
对于聚集表，行定位器是聚集索引键。
A primary key column is identified by a primary key symbol in its row selector.
主键列由其行选择器中的主键符号标识。
DataKey objects that represent the data key value of each row in a data-bound control.
取得物件，其中包含资料系结控制项中所选取资料列的资料索引键值。
A table usually includes a primary key that ensures every row is unique.
表通常包括一个主键，该主键确保每个行都是唯一的。
Gets the row specified by the primary key value.
取得主索引键值指定的资料列。
Gets the row specified by the primary key value.
取得主索引键值指定的资料列。
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