As an Azure administrator, you need to create a log query in Azure Monitor that merges data from two different tables based on a common field. Which Kusto Query Language (KQL) operator should you use to perform this operation?
summarize
union
extend
join
To merge data from two tables based on a common field in KQL, you should use the join operator. The join operator combines records from two datasets by matching values of the specified columns. This allows you to correlate data from different sources and perform comprehensive analysis. The union operator, on the other hand, appends rows from one table to another without matching on a key. Summarize is used for aggregating data, and extend adds new calculated columns to the result set. Therefore, the join operator is the correct choice for merging tables based on a common field.
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