By attending this course you will get to know frequently and most likely asked Programming, Scenario based, Fundamentals, and
Performance Tuning based Question asked in Apache Hive Interview along with the answer
This will help Apache Hive Career Aspirants to prepare for the interview.
During your Scheduled Interview you do not have to spend time searching the Internet for Apache Hive interview questions.
We have already compiled the most frequently asked and latest Apache Hive Interview questions in this course.
Apache Hive Interview Questions has a collection of 100+ questions with answers asked in the interview for freshers and experienced (Programming, Scenario-Based, Fundamentals, Performance Tuning based Question and Answer). This course is intended to help Apache Hive Career Aspirants to prepare for the interview.
We are planning to add more questions in upcoming versions of this course.
The Apache Hive data warehouse software facilitates reading, writing, and managing large datasets residing in distributed storage using SQL. Structure can be projected onto data already in storage. A command line tool and JDBC driver are provided to connect users to Hive.
Course Consist of the Interview Question on the following Topics
- Hive Tutorial
- Hive SQL Language Manual: Commands, CLIs, Data Types,
DDL (create/drop/alter/truncate/show/describe), Statistics (analyze), Indexes, Archiving,
DML (load/insert/update/delete/merge, import/export, explain plan),
Queries (select), Operators and UDFs, Locks, Authorization - File Formats and Compression: RCFile, Avro, ORC, Parquet; Compression, LZO
- Procedural Language: Hive HPL/SQL
- Hive Configuration Properties
- Hive Clients
- Hive Client (JDBC, ODBC, Thrift)
- HiveServer2: Overview, HiveServer2 Client and Beeline, Hive Metrics
- Hive Web Interface
- Hive SerDes: Avro SerDe, Parquet SerDe, CSV SerDe, JSON SerDe
- Hive Counters
Hive Interview Question Set 1
Hive Interview Question Set 2
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2How to create HIVE Table with multi character delimiter?
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3How to Improve Hive Query Performance With Hadoop?
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4Is there any way to get column name along with the output while execute query?
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5How to load Data from a .txt file to Table Stored as ORC in Hive?
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6if you modify the column how will the changes be tracked?
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7How can you configure remote metastore mode in Hive?
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8Explain about the different types of join in Hive?
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9Mechanism for connecting from applications, when we run hive as a server?
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10How Hive can improve performance with ORC format tables?
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11If you run a select * query in Hive, Why does it not run MapReduce?
Hive Interview Question Set 3
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12What is the precedence order of HIVE configuration?
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13What is the maximum size of string data type supported by hive?
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14How to skip header rows from a table in Hive?
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15Explain process to access sub directories recursively in Hive queries?
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16How to change the column data type in Hive?
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17Explain Trim and Reverse function in Hive with examples?
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18Explain the concatenation function in Hive with an example?
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19Is it possible to add 100 nodes when we have 100 nodes already in Hive? How?
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20Can We Change settings within Hive Session? If Yes, How?
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21Create single Hive table for small files without degrading performance in Hive?
Hive Interview Question Set 4
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22How will you consume this CSV file into the Hive warehouse using built SerDe?
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23How will you remove this error? FAILED ERROR IN SEMANTIC ANALYSIS
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24What is the default maximum dynamic partition that can be created by a mapreduce
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25How can you add a new partition for the month December in the partitioned table?
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26How to solve latency problem and list the steps for solution?
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27What is dynamic partitioning and when is it used?
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28When should we use SORT BY instead of ORDER BY?
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29Is it possible to change the default location of a managed table?
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30what will happen if multiple clients trying to access Hive at the same time
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31How do you specify the table creator name when creating a table in Hive?
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32The following statement failed to execute. What can be the cause?
Hive Interview Question Set 5
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33What does /*streamtable(table_name)*/ do?
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34Give the command to see the indexes on a table.
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35What types of costs are associated in creating index on hive tables?
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36Can we LOAD data into a view?
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37What will be the result when you do cast('abc' as INT)?
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38How will you convert the string '51.2' to a float value in the price column?
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39What is the usefulness of the DISTRIBUTED BY clause in Hive?
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40Optimizing queries in Hive, what should be order of table size in a join query?
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41Is it possible to create Cartesian join between 2 tables, using Hive?
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42What is the difference between LIKE and RLIKE operators in Hive?
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43How can Hive avoid mapreduce?
Hive Interview Question Set 6
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44What is a Table generating Function on hive?
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45What does the following query do?
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46If you omit the OVERWRITE clause while creating a hive table,what happens?
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47LOAD DATA clause, how do you specify it is a hdfs file and not a local file?
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48Insert a column(new_col INT) into hive (htab) at a position before exist column?
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49When you point a partition of a hive table to a new directory, what happens?
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50What is the significance of IF EXISTS clause while dropping a table?
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51Which java class handles the output record encoding into files?
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52Which java class handles Input record encoding into files which store the table?
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53How do you check if a particular partition exists?
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54How can you delete the DBPROPERTY in Hive?
Hive Interview Question Set 7
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55What does the 'USE' command in hive do?
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56How do you list all databases whose name starts with p?
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57What do you mean by schema on read?
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58What are the default record and field delimiter used for hive text files?
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59What is the importance of .hiverc file?
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60Can hive queries be executed from script files? How?
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61Can we run unix shell commands from hive? Give example?
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62Is there a date data type in Hive?
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63What is the default location where hive stores table data?
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64What is the need for custom Serde?
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65Mention how can you stop a partition from being queried?
Hive Interview Question Set 8
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66Explain when to use explode in Hive?
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67Mention what is the difference between order by and sort by in Hive?
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68Explain how can you change a column data type in Hive?
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69Mention if we can name view same as the name of a Hive table?
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70Mention what are the components of a Hive query processor?
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71Mention what Hive query processor does?
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72Mention what is (HS2) HiveServer2?
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73Mention what is ObjectInspector functionality in Hive?
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74Mention what are the different modes of Hive?
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75When Hive is not suitable?
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76What is the best way to load xml data into hive?
Hive Interview Question Set 9
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77Are Hive SQL identifiers (e.g. table names, column names, etc) case sensitive?
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78Does Hive support Unicode?
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79Did you used Mysql as Metatstore and faced errors like:CommunicationsException?
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80When running a JOIN query, I see out-of-memory errors?
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81How to access HBase tables from Hive?
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82How is ORC file format optimised for data storage and analysis?
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83What is RegexSerDe?
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84How is SerDe different from File format in Hive?
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85What are the different file formats in Hive?
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86Which method has to be overridden when we use custom UDF in Hive?
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87How does bucketing help in the faster execution of queries?
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