contains * 查找子字符串，而 * has * 查找整个术语。
KQL is case-sensitive for everything – table names, table column names, operators, functions, and so on. This query has a single tabular expression statement. The statement begins with a reference to a table calledStormEventsand contains several operators,whereandcount, each separated by a pipe...
3. A function is applied to the datetime column and so the effect of filtering is lost. All data is scanned and cost is 4 times more // 49.87 8.67 all EventsFromLiveStream | extend shiftdata=datetime_add('hour',2,CreatedAt) | where shiftdata between(datetime(2024-4-1)...
"Since joining Pearson at the start of the year, I have led a comprehensive review of our business and the markets in which we operate. This process has only reinforced my conviction in the potential of Pearson and the vital role we play in helping people realise the life they imagine thro...
This query has a single tabular expression statement. The statement begins with a reference to a table called StormEvents and contains several operators, where and count, each separated by a pipe. The data rows for the source table are filtered by the value of the StartTime column and then ...