![]() Project and Extend: select and compute columns Other units of time include days (2d), minutes (25m), and seconds (10s). In the above time filter ago(30m) means “30 minutes ago” so this query only returns records from the last 30 minutes. It’s best to place the time filter immediately after the table name: You can also define your own time range by adding a time filter to the query. ![]() Image Source: Microsoft Time filter in query However, to get only records from the last hour, select Last hour and run the query again. This is the default time range applied to all queries. The time picker is next to the Run button and indicates we’re querying only records from the last 24 hours. | where Level = 8 Specify a time range Time picker For example, the following query returns only SecurityEvent records where Level equals 8: To add a filter to a query, use the where operator followed by one or more conditions. This is the most common way to limit query results to relevant information. | top 10 by TimeGenerated Where: filtering on a conditionįilters, as indicated by their name, filter the data by a specific condition. The best way to get only the latest 10 records is to use top, which sorts the entire table on the server side and then returns the top records: That could return too many results though and might also take some time. To get an ordered view, you could sort by the preferred column: While take is useful to get a few records, the results are selected and displayed in no particular order. This query searches the SecurityEvent table for records that contain the phrase “Cryptographic”. Search in (SecurityEvent) “Cryptographic” Search queries are less structured, and generally more suited for finding records that include a specific value in any of their columns:
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