花费 16ms 找到478条记录
1 最有效的方法来保存方式点并进行比较? - Most efficient way to save way points and do comparisons?
2012年09月24 - , and the way points are stored in a Varray of a type with Latitude and Longitude attributes. This way is very efficient saving and retrieving data, but gets some
2 将大量数据导出为ex​​cel的最有效方法 - The most efficient way to export large amount of data to excel
2010年12月23 - If you had to get large amount data(nearly 230.000 rows) from database(I use oracle) to an excel file with asp.net, how would you do it? I need some
3 检查Oracle中是否存在记录的最有效方法是什么? - What's the most efficient way to check if a record exists in Oracle?
2010年08月08 - on what you want to do after checking if the value exists, as pointed out by APC. I ended up picking the answer by RedFilter, since I had originally
4 Oracle数据库中,从连接查询结果中更新每一行的列,最有效的方法是什么? - What would be the most efficient way in Oracle database to update a column for each row from a join query
2015年11月08 - something like this, but my understanding is, the inner select query is an inner join here, so I am not sure if that will be efficient in this case. 我想过使用类似
5 哪个数据库的空间效率最高 - Which database is the most space efficient
2011年11月02 - Current we are using Oracle to store logging information. One of the column is a blob that stores an XML payload. We archive the logging schema every
6 更新表中所有行的有效方法 - Efficient way to update all rows in a table
2010年04月14 - this takes hours to update all records in Oracle10 for example. 我尝试使用单独的事务来选择100个记录的每个下一个块并更新它们的值,但是这仍需要几个小时才能更新Oracle10中的所有记录。 What is the most efficient way
7 建议一种有效的查询方式 - Suggest an efficient way to query
2013年02月22 - with a = select max(a) from table group by c 即具有a的行=从表组中选择max(a)乘以c What is the most efficient way to do this ? Can I use partition clause etc etc? 最有效的方法是什么?我可以使
8 基于几乎所有列进行查询时,如何最有效地访问表? - How to get most efficient access to a table when querying based on almost all columns?
2016年02月25 - 8 stores a numeric value referenced by that key. There is also an ID field which is the technical key. 我的方案如下:我有一个列为1到8的表。第1 - 7列是“功能键”(int /字符串/日期值),第8列存储该键
9 Oracle中选择第二个最小值 - Select second most minimum value in Oracle
2011年11月18 - I need to write a query that selects a minimum value and it's second most minimum value from a list of integers. 我需要编写一个选择最小值的查询,它是整数列表中第二个最小值
10 检索当前和最近的先前值(Oracle) - Retrieving a current and most recent previous value (Oracle)
2009年04月16 - with a dataset that creates a new row every time a record is changed, thus maintaining a history. The most up-to-date version is then displayed in our application.

 
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