Top "Hiveql" questions

Variant of SQL used in the Apache Hive data warehouse infrastructure.

Find last day of a month in Hive

My question is : Is there a way to do find the last day of a month in Hive, like Oracle …

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Hive - external (dynamically) partitioned table

I'm having a table in MySQL viz. nas_comps. select comp_code, count(leg_id) from nas_comps_01012011_31012011 n group …

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Impala: Show tables like query

I am working with Impala and fetching the list of tables from the database with some pattern like below. Assume …

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HiveQL - How to find the column value is numeric or not using any UDF?

Basically i would like to return rows based on one column value. If the column contains non numeric values, then …

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How to see the date when the table was created?

I have created a table couple months ago. Is there any way in HIVE that I can see when was …

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Hive Query Execution Error, return code 3 from MapredLocalTask

I am getting this error while performing a simple join between two tables. I run this query in Hive command …

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Hive Select Into

I have a database people in hive. It's schema is as follows: name string, dob_date int, dob_month int, …

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DISTRIBUTE BY clause in HIVE

I am not able to understand what this DISTRIBUTE BY clause does in Hive. I know the definition that says, …

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Hive QL - Limiting number of rows per each item

If I have multiple items listed in a where clause How would one go about limiting the results to N …

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Finding the first row in a group using Hive

For a student database in the following format Roll Number | School Name | Name | Age | Gender | Class | Subject | Marks How to …

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