一个简单条件的消灭。
In addition, triggers can now contain UPDATE, DELETE, and INSERT operations together in a single clause as the trigger event. For example.
另外,触发器现在可以在单一子句中同时包含UPDATE、DELETE和INSERT操作,作为一个触发器事件。
But a single clause tucked in the 74-page deal agreement set off a series of increasingly dire events that nearly scuttled the rescue brokered and financed by the Fed.
但在74页的交易协议中,有一条不起眼的条款引发了一系列惊人的事件,差点让美联储的救援努力失去意义。
If all the columns in the clause appear in the required sequence with a single index, the database server USES the index to read the rows in the ordered sequence, thus avoiding a sort.
如果该子句中所有的列都是以用单个索引要求的顺序出现的,那么数据库服务器就使用索引来按顺序读取行,因而避免了排序。
The single currency's architects put their faith in the "no bail-out" clause coupled with a "stability and growth pact".
单一货币的设计者们之所以对不设“拯救计划”条款这种抱有信心,是因为他们推出了“稳定与增长公约”。
Multiple slices of data can be returned in a single query by using grouping sets or super-groups (such as ROLLUP) in the GROUP-BY clause of the SQL statement.
通过在sql语句的GROUP BY子句中使用多个分组集或超级组(比如rollup),可以在一个查询中返回数据的多个切片。
The second major function performed by a WHERE clause is to join multiple tables together into a single table that can be queried more easily.
WHERE 子句执行的第二个主要功能是将多个表连接到单个表中,从而更易于查询。
You have seen in update 9 that you can include multiple update operations for the same document in the MODIFY clause of a single update statement.
在更新9中已经看到,在一个更新语句的modify子句中可以包含对同一文档的多个更新操作。
The SQL generated by the previous instructions has only a single grouping set in the GROUP-BY clause.
前面步骤产生的SQL在GROUP BY子句中只有一个分组集。
Finally, note how the single row VALUES clause is used in the return statement to return the end result as a single-row table.
最后,注意在return语句中使用了单行的values子句,以便将最后的结果以单行的表的形式返回。
It is possible to UPDATE and SELECT in single statement using OUTPUT clause with CTE containing JOIN?
它是可能的更新和选择使用OUT PUT子句包含单个语句与CTE加入?
Code join predicates first, followed by local predicates (predicates on a single table) in the same order as the named tables appear in the FROM clause.
首先编码联接谓词,然后是本地谓词(单个表上的谓词),顺序与from子句中的已命名表的顺序相同。
Code join predicates first, followed by local predicates (predicates on a single table) in the same order as the named tables appear in the FROM clause.
首先编码联接谓词,然后是本地谓词(单个表上的谓词),顺序与from子句中的已命名表的顺序相同。
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