有一段时间，两列火车平行行驶，有时一列火车稍微靠前，有时则是另一列。
For a time the two trains ran parallel, now one gaining a little, now the other.
正是在这段时间里，他写出了他最著名的著作《战争与和平》和《安娜·卡列尼娜》。
It was during this time that he wrote his most famous books War and Peace and Anna Karenina.
第一列是时间，表明什么时候锁出现了竞争。
The first lane is Time, indicating when this lock contention occurs.
任何利用主索引列的查询将会遭遇更快速响应时间问题。
Any query that utilizes the Primary Index column will encounter faster response times.
添加gdi列，观察它是否随时间而增长(参看图1)。
Add the GDI column and see if it grows over time (see Figure 1).
特定列中的数据分布可能随时间发生改变。
Data distribution in particular columns may change over time.
DB 2在执行第一条更改表数据的语句时生成一个开始时间列。
DB2 generates the start time column when it executes the first statement that changes the table's data.
如果定义为NOT NULL，该值会对应于与最近的事务相关联的开始时间(AS ROWbegin列的值)。
If defined as NOT NULL, the value corresponds to the start time associated with the most recent transaction (the value of the as ROW BEGIN column).
列定义使用时间期间。
基础时间、调用，等等的列。
LEI实际查询的是eimodified列中被更新的时间戳。
LEI actually looks for an updated time stamp in the EIMODIFIED column.
头两列显示对测量时间的收集（Archive或Snapshot）活动的类型。
The first two columns show the type of collection (Archive or Snapshot) active at the time of the measurement.
从每一个扩展卡中复制消耗的时间数据到相应的列中。
Copy the elapsed time data from each of those to the correct column.
列清单那可能需要花费不少的时间，但列清单消耗时间的长短将非常有力地证明你到底有多少多余的材料在填塞着你的空间。
This could take some time, and the amount of time it takes to catalogue your material goods might prove once and for all that you have way too much stuff.
响应时间列显示了每个应用程序的时间花费指标，这样，您可以轻松地以最高的响应时间识别应用程序，并确定花费时间最多的地方。
The response time columns show you the time spent metrics per application so that you can identify the application with the highest response time easily, and determine where the most time is spent.
包含时态数据的表有两个日期-时间列，它们表明每一行有效的期限(时间间隔)。
A table that includes temporal data has a pair of date-time columns that indicate the period (the time interval) when the row is valid.
第一列显示时间，第二列是累计的内存使用量，第三列是增加的内存使用量，而第四列显示函数调用，包括参数。
The first column shows time, the second is accumulated memory use, the third is incremental memory use, and the fourth shows function calls, including the parameters.
对于行修改时间戳列(只针对这种列)，如果该列使用IMPLICITLYhidden属性定义，那么当对表列进行隐式引用时，不会对该列执行外部化。
For row change timestamp columns only, if the column is defined with the IMPLICITLY HIDDEN attribute, then it is not externalized when there is an implicit reference to the columns of the table.
他说：“哈里法克斯银行已经被列在观察名单上很长时间了。”
"HBOS had been on the watch list for a very, very long time," he said.
该时间戳列默认情况下由数据库管理器维护，但是也接受用户提供的输入值。
This timestamp column is maintained by default by the database manager, but a user-provided input value is also accepted.
例如，我们无法针对分区的列使用标识列或者时间戳，而分区列需要是主键的组成部分。
For example, one cannot use identity columns or timestamps for the partitioning column, but the partitioning column has to be part of the primary key.
再看看那一次，1960年代末有一小段时间，约翰·列侬买了辆迷幻风格的拉斯莱斯。
Or consider this: for a brief time in the late 1960s, John Lennon owned a psychedelic Rolls-Royce.
如果可能更新坐标列，但是源表包含一个时间戳列，其中记录了每行最后一次更新的时间，那么仍然可以避免批量复制。
If updates to the coordinate columns are possible, you may still be able to avoid bulk copies if the source table contains a time stamp column that records the time of last update for each row.
上述问题可以通过使用DISTINCT和一个或多个时间戳列模拟FIFO或LCFO来回避；但是，DB2将使用一个额外步骤来消除重复。
The above problem can be circumvented by the use of DISTINCT and one or more timestamp columns to simulate FIFO or LCFO; however DB2 will use an additional step to eliminate the duplicates.
隐式隐藏列：从兼容性方面来说，这个特性有助于将行修改时间戳列应用到现有表和应用程序。
Implicitly hidden columns: For compatibility, this feature eases the adoption of the row change timestamp columns to existing tables and applications.
重新设定消失时间列，以指定基线时间。
为了获取在大容量表中查询的合理的响应时间，最好为某列或者列组合定义索引。
To get reasonable response times for queries on large tables, it is a best practice to define indexes for certain columns or combination of columns.
通常，有一个mdc维是基于时间的列，这样一来，同一个列既可以用于MDC，又可以用于TP。
Generally, one of the MDC dimensions will be a time-based column so the same column can be used for both MDC and TP.
要支持这一特性，表需要定义一个新生成的行修改时间戳列来保存时间戳值。
To support this feature, the table needs to have a new generated row change timestamp column defined to store the timestamp values.
要支持这一特性，表需要定义一个新生成的行修改时间戳列来保存时间戳值。
To support this feature, the table needs to have a new generated row change timestamp column defined to store the timestamp values.
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