row key的意思|示意
行键
row key的网络常见释义
行键 采用DFS，Mapper的输出会是排序的（某些特殊情况除外）：Cube行键(row key)是由[Cuboid ID + 维度值]组成；DFS访问的结果，恰好是按照Cuboid ID从小到大输出；而在同一个Cuboid内，维度值也是升序排序；所...
行关键字 表的索引是行关键字(Row Key)，列(Column)关键字(Key)和时间戳(Timestamp)，每个值是一个自解释的字符数组，用户在表格中存储数据，每一行都有且仅有一个可排...
row key相关短语
1、 KEY ROW 行扫描键
2、 Set key row Array T 设定关键列
3、 Get key row Array T 取得关键列
row key相关例句
It queries your database, indexes each column in each row of the result, and ties each index entry to the row's primary key.
它将查询数据库，为结果的每行中的每列建立索引，并且将每个索引条目绑定到行的主键上。
InsertJSON expects two input parameters: the unique key value for primary key and the row data in JSON format.
insertJSON需要两个输入参数：主键的惟一键值与json格式的行数据。
However, each row must have a unique primary key, which is a sort of name for that particular bundle of data.
不过，每一行的主键(一种用于特定一组数据的名称)必须是唯一的。
The optimizer will deduce key value selection based on the functional dependency of the column within the row.
优化器将根据行中列的函数依赖性来推断关键值选择。
Key Item locked: the key pointing to the locked row.
Key Item Locked：指向锁定的行的键。
Then for each row from the fact table scan, the foreign key is also hashed and probed into the bit vector to determine whether the current fact table row is filtered out.
然后针对事实表扫描的每一行，外键也被散列并探测到位向量中，从而判断当前的事实表行是否被过滤掉了。