To do this, set the -webkit-column-count style, and sett the accompanying -webkit-column-rule style to get the separators.
为此，设置 -webkit-column-count样式，并设置配套的 -webkit-column-rule 样式来获取这些分隔符。
Note that if several counting functions or tests operate on the same column, then the sort and count operations only need to be done once.
注意，如果多个计数函数或测试在同一列上运行，那么排序与计数操作仅需做一次。
But if you use multiple aggregations with the same grouping keys, or multiple counting functions that count the same column, it will not significantly increase the execution time of the rule.
但是，如果使用具有相同分组关键字的多个聚合，或者对相同列进行计数的计数函数，其不会显著增加规则的执行时间。
You can use the following functions and tests to count the number of values in a column
可利用如下函数及测试来计数一个列中值的数量
The height of each column is based on the value of the slow lock count and is relative to all the columns in the graph.
每一列的高度基于慢锁计数的值，它与图中的所有列有关。
Altering a column must not make the total byte count of all columns exceed the maximum record size (SQLSTATE 54010).
对列的修改不能导致所有列的总字节数超过记录的最大大小(SQLSTATE 54010)。
Change the input expression for the TOTALHOLDINGS column to perform a count of HOLDINGTYPE values.
更改totalholdings列的输入表达式，使之执行holdingtype值的计数。
Change the input expression for the DISTINCTHOLDINGS column to perform a count distinct of HOLDINGTYPE values.
更改distinctholdings列的输入表达式，使之执行HOLDINGTYPE不同值的计数。
Let me count the ways - or rather a few of the ways, because there are more howlers in the plan than I can cover in one column.
我来算算——荒谬的理由不在少数，因为这项计划中存在太多荒唐可笑之处，难以在一篇专栏文章中穷尽。
At this point, a real application would modify the count column appropriately by issuing the necessary SQL UPDATE statements.
这时，真正的应用程序将通过执行必要的SQLupdate语句来适当修改count列。
As you can see, the new table has five columns, and the count column is always zero.
可以看到，新表具有5列，count列始终为0。
As you can see, the new table has five columns, and the count column is always zero.
可以看到，新表具有5列，count列始终为0。
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