Sql Regex Cheat Sheet



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Kusto supports a subset of the SQL language. See the list of SQL known issues for the full list of unsupported features.

Regex cheat sheet pdf

What is mac address used for. The primary language to interact with Kusto is KQL (Kusto Query Language). To make the transition and learning experience easier, you can use Kusto to translate SQL queries to KQL. Usb dvd for mac. Send an SQL query to Kusto, prefixing it with the verb 'EXPLAIN'.

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RegexSql regex cheat sheet download

When learning regexes, or when you need to use a feature you have not used yet or don't use often, it can be quite useful to have a place for quick look-up. I hope this Regex Cheat-sheet will provide such aid for you. KQL cheat sheets - Quick Reference official page ‎Mar 01 2020 07:05 AM This article shows you a list of functions and their descriptions to help get you started using Kusto Query Language.

Sql Regex Cheat Sheet
Query
StormEvents
| summarize C=count()
| project C

SQL to Kusto cheat sheet

Regular Expression Cheat Sheet

The table below shows sample queries in SQL and their KQL equivalents.

Sql Regex Cheat Sheet

CategorySQL QueryKusto Query
Select data from tableSELECT * FROM dependenciesdependencies
--SELECT name, resultCode FROM dependenciesdependencies | project name, resultCode
--SELECT TOP 100 * FROM dependenciesdependencies | take 100
Null evaluationSELECT * FROM dependencies
WHERE resultCode IS NOT NULL		dependencies
| where isnotnull(resultCode)
Comparison operators (date)SELECT * FROM dependencies
WHERE timestamp > getdate()-1		dependencies
| where timestamp > ago(1d)
--SELECT * FROM dependencies
WHERE timestamp BETWEEN .. AND ..		dependencies
| where timestamp > datetime(2016-10-01)
and timestamp <= datetime(2016-11-01)
Comparison operators (string)SELECT * FROM dependencies
WHERE type = 'Azure blob'		dependencies
| where type 'Azure blob'
---- substring
SELECT * FROM dependencies
WHERE type like '%blob%'		// substring
dependencies
| where type contains 'blob'
---- wildcard
SELECT * FROM dependencies
WHERE type like 'Azure%'		// wildcard
dependencies
| where type startswith 'Azure'
// or
dependencies
| where type matches regex '^Azure.*'
Comparison (boolean)SELECT * FROM dependencies
WHERE !(success)		dependencies
| where success 'False'
DistinctSELECT DISTINCT name, type FROM dependenciesdependencies
| summarize by name, type
Grouping, AggregationSELECT name, AVG(duration) FROM dependencies
GROUP BY name		dependencies
| summarize avg(duration) by name
Column aliases, ExtendingSELECT operationName as Name, AVG(duration) as AvgD FROM dependencies
GROUP BY name		dependencies
| summarize AvgD = avg(duration) by Name=operationName
OrderingSELECT name, timestamp FROM dependencies
ORDER BY timestamp ASC		dependencies
| project name, timestamp
| order by timestamp asc nulls last
Top n by measureSELECT TOP 100 name, COUNT(*) as Count FROM dependencies
GROUP BY name
ORDER BY Count DESC		dependencies
| summarize Count = count() by name
| top 100 by Count desc
UnionSELECT * FROM dependencies
UNION
SELECT * FROM exceptions		union dependencies, exceptions
--SELECT * FROM dependencies
WHERE timestamp > ..
UNION
SELECT * FROM exceptions
WHERE timestamp > ..		dependencies
| where timestamp > ago(1d)
| union
(exceptions
| where timestamp > ago(1d))
JoinSELECT * FROM dependencies
LEFT OUTER JOIN exception
ON dependencies.operation_Id = exceptions.operation_Id		dependencies
| join kind = leftouter
(exceptions)
on $left.operation_Id $right.operation_Id
Nested queriesSELECT * FROM dependencies
WHERE resultCode
(SELECT TOP 1 resultCode FROM dependencies
WHERE resultId = 7
ORDER BY timestamp DESC)		dependencies
| where resultCode toscalar(
dependencies
| where resultId 7
| top 1 by timestamp desc
| project resultCode)
HavingSELECT COUNT(*) FROM dependencies
GROUP BY name
HAVING COUNT(*) > 3		dependencies
| summarize Count = count() by name
| where Count > 3