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Free and Premium Teradata TDBL4-16.20 Dumps Questions Answers

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Total 91 questions

Teradata Vantage Developer Exam Questions and Answers

Question 1

Which attribute is the default for tables created in Teradata mode?

Options:

A.

SET

B.

WITH ISOLATED LOADING

C.

DERIVED

D.

CASESPECIFIC

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Question 2

Given the partitioning clause in a CREATE TABLE of a multi-row partitioned table Orders:

An insert is executed on the Orders table. Source Order table contains 5000 rows meeting the criteria in the SELCT below:

What will happen after this action?

Options:

A.

All rows will be inserted with a warning.

B.

All rows for location 110 will be inserted.

C.

No rows will be inserted.

D.

Insert will succeed with all the rows for the orderdate.

Question 3

How does the TPT UPDATE Operator apply changes?

Options:

A.

It batches all updates for a data block and applies them all at once.

B.

It applies different update operations in a separate pass against the table.

C.

It batches all updates for a table one partition at a time.

D.

It applies all updates to a table and processes them a single row at a time.

Question 4

What is a characteristic of views?

Options:

A.

They consume perm space in the database they are created in.

B.

They enforce column names consistent with underlying tables.

C.

They can restrict access to information.

D.

They reduce parsing overhead.

Question 5

In which SQL clauses can a subquery be

Options:

A.

SELECT and GROUP BY

B.

FROM and ORDER BY

C.

CASE and WHERE

D.

INTO and FROM

Question 6

A company is planning to carry out redevelopment and tuning on a large important application. Prior to this rework, the developer needs to capture all objects that the application to using they can be replicated in test and development environments

Which DBOL logging option should be enabled by the DBA to research and determine the database entities that are being used?

Options:

A.

STEPINFO

B.

USECOUNT

C.

OBJECTS

D.

EXPLAIN

Question 7

The table Sales has more than one million rows. There are many queries with Product_id used as a predicate to identify the sales information of a product across all stores. The table Sales has the definition:

Which action would improve the performance on the queries?

Options:

A.

Row partition the table on Store_Id

B.

Create a Nush on Product_Id

C.

Create a USI on product_Id

D.

Row partition the table on Date_Id

Question 8

A CUSTOMER table must ensure that all values in a ZIP column contain only digits.

Which constraint should be deployed to meet this requirement?

Options:

A.

IS-NUMERIC

B.

VALUES

C.

FORMAT

D.

CHECK

Question 9

Which statement accurately describes a difference between Teradata and ANSI modes?

Options:

A.

Sessions in ANSI mode support Two-Phase Commit

B.

ANSI mode utilizes transactions while Teradata mode allows only requests

C.

Transactions in ANSI mode are implicitly started and explicitly closed

D.

A request in Teradata mode is more efficient than an ANSI mode request

Question 10

What will a specified Key be implemented as on a table defined with a PRIMARY INDEX?

Options:

A.

It will be implemented as a USI.

B.

It will be implemented with the existing PI as a compound PI.

C.

The primary Key specification will be ignored.

D.

It will implemented as a NUSI

Question 11

What is a characteristic of a physical data model?

Options:

A.

Includes index definitions based on how data rows will be accessed or distributed

B.

Presents itself in third normal form

C.

Presents the data in a standard framework that supports direct data access for the business provides user

D.

Provides user names that are in agreement with organizational policies

Question 12

When would it make sense to add a Secondary Index on a Primary Index (PI) column?

Options:

A.

If partitioned tables have high volume range access on the PI column

B.

If the table is partitioned and most access is via the PI column

C.

If non-partitioned tables have a high volume of single value access

D.

If the table has an identity column and needs faster inserts

Question 13

Which statement is true about soft Referential Integrity (Rl)?

Options:

A.

Increases overhead relative to the other forms of Rl during data maintenance

B.

Validates referencing constraints

C.

Rejects invalid records during loading

D.

No reference sub-index is needed

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Total 91 questions