• Once the rows are sorted, the algorithm for joining the two tables is easy: the database server simply reads both sorted tables sequentially and merge all rows if they are matching.

    一旦实现行的分类连接算法十分容易:数据库服务器仅仅连续读取个已分类表,合并所有相匹配的

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  • UPDATE is an INSERT, UPDATE, DELETE, or MERGE operation that may have input parameters and that returns an integer (number of affected rows).

    更新INSERTUPDATEDELETEMERGE操作可以输入参数返回一个整数(受影响行数)。

    youdao

  • You can use the --extratargetrows option with either of these three options: keep, delete, and merge to specify how to handle duplicate rows.

    可以使用 --extratargetrows选项加上keepdeletemerge三个选项中的一个,规定如何处理重复

    youdao

  • When you try to merge at line 21, you get the result 0 rows merged because the check constraint is violated.

    第21进行合并时,得到结果0rows merged因为检查约束发生了冲突。

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  • The name of an automatically-generated stored procedure that the Merge Agent USES to accomplish locking, and finding columns and rows for an article.

    自动生成存储过程名称合并代理使用该存储过程完成锁定查找项目的列。

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  • Conceptually, the merge function joins source table rows with target table rows by applying the on clause filter. All the joined rows are updated or deleted on the target.

    从概念上说merge函数通过应用on子句过滤,将目标表行进行联接所有联接的行都在目标中进行更新或者删除

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  • In the first merge statement, all the non-matching rows would be ignored and matched rows would be updated in the sale table.

    第一merge语句中所有匹配行将被忽略,而销售匹配行将更新

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  • The merge statement first does a join (outer join or inner join, depending on the merge statement) between source and target table rows.

    merge语句首先进行(外部联接或者内部联接,取决于merge语句)目标之间的联接。

    youdao

  • You can only merge two rows when number of cells and sizes are the same.

    单元格数目大小相同时,只能合并

    youdao

  • If you are using the RBO, then a merge join is the most efficient join when a join returns a large number or rows.

    如果使用RBO方式那么合并连接有效的连接,一个连接返回一个数量

    youdao

  • If you are using the RBO, then a merge join is the most efficient join when a join returns a large number or rows.

    如果使用RBO方式那么合并连接有效的连接,一个连接返回一个数量

    youdao

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