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Friday, March 19, 2021

TE0-123 Teradata Physical Design Implement Practice Exam [Free 100% off premium Udemy course coupon code]

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TE0-123 Teradata Physical Design Implement Practice Exam

Attend this TE0-123 Teradata Physical Design Implement Practice Exam will get a Good Score 80% on Main Exam

What you'll learn?

  • Strong Knowledge on TE0-123 Teradata Physical Design Implement Practice

Requirements and What you should know?

  • Any one who want to do TE0-123 Teradata Physical Design Implement Practice Exam

Who is this course for?

  • Those who want to get knowledge on Certification & Check your Skill Test while attend this Practice Test

What is this course about?

Sample Questions

Q) Which three statements produce a result that includes data derived? (Choose three.)

a) SELECTSUM (Salary) FROM Employee WHERE Salary> 20000;

b) SELECTDeptId, AVG (Salary) FROM Employee GROUP BY deptid;

c) SELECTDeptId deptid FROM Employee GROUP BY ORDER BY SUM (Salary);

d) SELECTEmpName, HireDate + 10 FROM Employee WHERE EmpId = 1,239,045;

e) SELECTEmpName FROM Employee WHERE HireDate + 100> TerminationDate;

Q) Which two statements are true about denormalization? (Pick one.)

a) denormalized rows are likely to be tighter.

b) Denormalisation may use re-defined groups.

c) Aggregate join indexes are a ofdenormalization shape.

d) The tables use compression can bedenormalized with fewer penalty.

e) Denormalisation often introduces update anomalies in the database.

Q) Which two statements are true when related Upis hashing? (Pick one.)

a) A UPI search is performed based on the value.

b) Two distinct UPI hash values will be different.

c) Two different UPI values can have the same hash row.

d) Tables with the same UPI will have identical distributions.

Q) A great value in vendor table will be accessed using the Name column. Maximum lines for name is 50 and there are 100 lines per block in the table. What will improve the performance of queries that access the table with the column name?

a) Partition by name.

b) Put a USI on the Name column.

c) Put a Nusi the Name column.

d) Putting a value on the orderly Nusi Name column.

Q) A query is retrieving data from two very large tables that have different primary indexes. What type of index could be used to optimize the query plan and redistribution of data processing and join avoid?

a) hash index

b) multi-table join index

c) single table join index

d) Nusi composite on the columns join

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Friday, March 19, 2021

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