Although we have three versions of our CCA175 Test Collection File exam braindumps: the PDF, Software and APP online, i do think the most amazing version is the APP online. This version of our CCA175 Test Collection File study materials can be supportive to offline exercise on the condition that you practice it without mobile data. So even trifling mistakes can be solved by using our CCA175 Test Collection File practice questions, as well as all careless mistakes you may make. After decades of hard work, our products are currently in a leading position in the same kind of education market, our CCA175 Test Collection File learning materials, with their excellent quality and constantly improved operating system, In many areas won the unanimous endorsement of many international customers. Advanced operating systems enable users to quickly log in and use, in constant practice and theoretical research, our CCA175 Test Collection File learning materials have come up with more efficient operating system to meet user needs, so we can assure users here , after user payment , users can perform a review of the CCA175 Test Collection File exam in real time , because our advanced operating system will immediately send users CCA175 Test Collection File learning material to the email address where they are paying , this greatly facilitates the user, lets the user be able to save more study time. Our CCA175 Test Collection File exam questions are famous for its high-efficiency and high pass rate as 98% to 100%.
Cloudera Certified CCA175 Omgzlook will help you achieve your dream.
It is known to us that our CCA175 - CCA Spark and Hadoop Developer Exam Test Collection File study materials have been keeping a high pass rate all the time. Do not spend too much time and money, as long as you have Omgzlook learning materials you will easily pass the exam. In order to help you more Omgzlook the Cloudera CCA175 Valid Mock Test exam eliminate tension of the candidates on the Internet.
App online version-Be suitable to all kinds of equipment or digital devices. Be supportive to offline exercise on the condition that you practice it without mobile data. According to personal propensity and various understanding level of exam candidates, we have three versions of CCA175 Test Collection File practice materials for your reference.
Cloudera CCA175 Test Collection File - We guarantee that you can pass the exam easily.
Have you ever tried our IT exam certification software provided by our Omgzlook? If you have, you will use our CCA175 Test Collection File exam software with no doubt. If not, your usage of our dump this time will make you treat our Omgzlook as the necessary choice to prepare for other IT certification exams later. Our CCA175 Test Collection File exam software is developed by our IT elite through analyzing real CCA175 Test Collection File exam content for years, and there are three version including PDF version, online version and software version for you to choose.
Omgzlook is a website that provide accurate exam materials for people who want to participate in the IT certification. Omgzlook can help a lot of IT professionals to enhance their career blueprint.
CCA175 PDF DEMO:
QUESTION NO: 1
. Create a Hive parquet table using SparkSQL and load data in it.
Answer:
See the explanation for Step by Step Solution and configuration.
Explanation:
Solution :
Step 1 : Create this tile in HDFS under following directory (Without header}
/user/cloudera/he/exam/task1/productcsv
Step 2 : Now using Spark-shell read the file as RDD
// load the data into a new RDD
val products = sc.textFile("/user/cloudera/he/exam/task1/product.csv")
// Return the first element in this RDD
prod u cts.fi rst()
Step 3 : Now define the schema using a case class
case class Product(productid: Integer, code: String, name: String, quantity:lnteger, price:
Float)
Step 4 : create an RDD of Product objects
val prdRDD = products.map(_.split(",")).map(p =>
Product(p(0).tolnt,p(1),p(2),p(3}.tolnt,p(4}.toFloat))
prdRDD.first()
prdRDD.count()
Step 5 : Now create data frame val prdDF = prdRDD.toDF()
Step 6 : Now store data in hive warehouse directory. (However, table will not be created } import org.apache.spark.sql.SaveMode
prdDF.write.mode(SaveMode.Overwrite).format("orc").saveAsTable("product_orc_table") step 7:
Now create table using data stored in warehouse directory. With the help of hive.
hive
show tables
CREATE EXTERNAL TABLE products (productid int,code string,name string .quantity int, price float}
STORED AS ore
LOCATION 7user/hive/warehouse/product_orc_table';
Step 8 : Now create a parquet table
import org.apache.spark.sql.SaveMode
prdDF.write.mode(SaveMode.Overwrite).format("parquet").saveAsTable("product_parquet_ table")
Step 9 : Now create table using this
CREATE EXTERNAL TABLE products_parquet (productid int,code string,name string
.quantity int, price float}
STORED AS parquet
LOCATION 7user/hive/warehouse/product_parquet_table';
Step 10 : Check data has been loaded or not.
Select * from products;
Select * from products_parquet;
3. CORRECT TEXT
Problem Scenario 84 : In Continuation of previous question, please accomplish following activities.
1. Select all the products which has product code as null
2. Select all the products, whose name starts with Pen and results should be order by Price descending order.
3. Select all the products, whose name starts with Pen and results should be order by
Price descending order and quantity ascending order.
QUESTION NO: 2
Select top 2 products by price
Answer:
See the explanation for Step by Step Solution and configuration.
Explanation:
Solution :
Step 1 : Select all the products which has product code as null
val results = sqlContext.sql(......SELECT' FROM products WHERE code IS NULL......) results. showQ val results = sqlContext.sql(......SELECT * FROM products WHERE code = NULL ",,M ) results.showQ
Step 2 : Select all the products , whose name starts with Pen and results should be order by Price descending order. val results = sqlContext.sql(......SELECT * FROM products
WHERE name LIKE 'Pen %' ORDER BY price DESC......)
results. showQ
Step 3 : Select all the products , whose name starts with Pen and results should be order by Price descending order and quantity ascending order. val results = sqlContext.sql('.....SELECT * FROM products WHERE name LIKE 'Pen %' ORDER BY price DESC, quantity......) results. showQ
Step 4 : Select top 2 products by price
val results = sqlContext.sql(......SELECT' FROM products ORDER BY price desc
LIMIT2......}
results. show()
4. CORRECT TEXT
Problem Scenario 4: You have been given MySQL DB with following details.
user=retail_dba
password=cloudera
database=retail_db
table=retail_db.categories
jdbc URL = jdbc:mysql://quickstart:3306/retail_db
Please accomplish following activities.
Import Single table categories (Subset data} to hive managed table , where category_id between 1 and 22
Answer:
See the explanation for Step by Step Solution and configuration.
Explanation:
Solution :
Step 1 : Import Single table (Subset data)
sqoop import --connect jdbc:mysql://quickstart:3306/retail_db -username=retail_dba - password=cloudera -table=categories -where "\'category_id\' between 1 and 22" --hive- import --m 1
Note: Here the ' is the same you find on ~ key
This command will create a managed table and content will be created in the following directory.
/user/hive/warehouse/categories
Step 2 : Check whether table is created or not (In Hive)
show tables;
select * from categories;
QUESTION NO: 3
CORRECT TEXT
Problem Scenario 13 : You have been given following mysql database details as well as other info.
user=retail_dba
password=cloudera
database=retail_db
jdbc URL = jdbc:mysql://quickstart:3306/retail_db
Please accomplish following.
1. Create a table in retailedb with following definition.
CREATE table departments_export (department_id int(11), department_name varchar(45), created_date T1MESTAMP DEFAULT NOWQ);
2. Now import the data from following directory into departments_export table,
/user/cloudera/departments new
Answer:
See the explanation for Step by Step Solution and configuration.
Explanation:
Solution :
Step 1 : Login to musql db
mysql --user=retail_dba -password=cloudera
show databases; use retail_db; show tables;
step 2 : Create a table as given in problem statement.
CREATE table departments_export (departmentjd int(11), department_name varchar(45), created_date T1MESTAMP DEFAULT NOW()); show tables;
Step 3 : Export data from /user/cloudera/departmentsnew to new table departments_export sqoop export -connect jdbc:mysql://quickstart:3306/retail_db \
-username retaildba \
--password cloudera \
--table departments_export \
-export-dir /user/cloudera/departments_new \
-batch
Step 4 : Now check the export is correctly done or not. mysql -user*retail_dba - password=cloudera show databases; use retail _db;
show tables;
select' from departments_export;
QUESTION NO: 4
CORRECT TEXT
Problem Scenario 81 : You have been given MySQL DB with following details. You have been given following product.csv file product.csv productID,productCode,name,quantity,price
1001,PEN,Pen Red,5000,1.23
1002,PEN,Pen Blue,8000,1.25
1003,PEN,Pen Black,2000,1.25
1004,PEC,Pencil 2B,10000,0.48
1005,PEC,Pencil 2H,8000,0.49
1006,PEC,Pencil HB,0,9999.99
Now accomplish following activities.
1 . Create a Hive ORC table using SparkSql
2 . Load this data in Hive table.
QUESTION NO: 5
CORRECT TEXT
Problem Scenario 96 : Your spark application required extra Java options as below. -
XX:+PrintGCDetails-XX:+PrintGCTimeStamps
Please replace the XXX values correctly
./bin/spark-submit --name "My app" --master local[4] --conf spark.eventLog.enabled=talse -
-conf XXX hadoopexam.jar
Answer:
See the explanation for Step by Step Solution and configuration.
Explanation:
Solution
XXX: Mspark.executoi\extraJavaOptions=-XX:+PrintGCDetails -XX:+PrintGCTimeStamps"
Notes: ./bin/spark-submit \
--class <maln-class>
--master <master-url> \
--deploy-mode <deploy-mode> \
-conf <key>=<value> \
# other options
< application-jar> \
[application-arguments]
Here, conf is used to pass the Spark related contigs which are required for the application to run like any specific property(executor memory) or if you want to override the default property which is set in Spark-default.conf.
The secret that Omgzlook helps many candidates pass Network Appliance NS0-404 exam is Cloudera exam questions attentively studied by our professional IT team for years, and the detailed answer analysis. Microsoft AZ-900-KR - If you choose Omgzlook study guide, you will find the test questions and test answers are certainly different and high-quality, which is the royal road to success. EMC D-PSC-DY-23 - So our Omgzlook will provide a exam simulation for you to experience the real exam model before real exam. And with the aid of Amazon CLF-C02 certification test, you can improve your skills and master some useful techniques in your job so that you can finish your work better and demonstrate your great ability before other people. Also you can ask us any questions about Dell D-HCIAZ-A-01 exam any time as you like.
Updated: May 28, 2022