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WGU - D426: OBJECTIVE ASSESSMENT INTERNET OF THINGS AND INFRASTRUCTURE EXAM GUIDE NEWEST VERSION EXPECTED QUESTION AND CORRECT ANSWER FROM VERIFIED SOURCES.RATED A GRADE.$22.99
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WGU - D426: OBJECTIVE ASSESSMENT INTERNET OF THINGS AND INFRASTRUCTURE EXAM GUIDE NEWEST VERSION EXPECTED QUESTION AND CORRECT ANSWER FROM VERIFIED SOURCES.RATED A GRADE.
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Course
WGU - D426: OBJECTIVE ASSESSMENT INTERNET
Institution
WGU - D426: OBJECTIVE ASSESSMENT INTERNET
WGU - D426: OBJECTIVE ASSESSMENT INTERNET OF THINGS AND INFRASTRUCTURE EXAM GUIDE NEWEST VERSION EXPECTED QUESTION AND CORRECT ANSWER FROM VERIFIED SOURCES.RATED A GRADE.
WGU - D426: OBJECTIVE ASSESSMENT INTERNET OF
THINGS AND INFRASTRUCTURE EXAM GUIDE NEWEST
VERSION 2024-2025 EXPECTED QUESTION AND
CORRECT ANSWER FROM VERIFIED SOURCES.RATED A
GRADE.
Design✔✔ANSWER✔✔Specifies indexes, table structures, and
partitions. This phase adds indexes and specifies how tables are
organized on storage media. Affects query processing speed but never
affects the query result.
Data Independence✔✔ANSWER✔✔Allows database designers to tune
query performance without changes to application programs.
Application Programming Interface (API)✔✔ANSWER✔✔To simplify the
use of SQL with a general-purpose language, database programs
typically use an ____________ _____________ _______________.
MySQL Command-Line Client✔✔ANSWER✔✔A text interface included
in the MySQL Server download.
,MySQL✔✔ANSWER✔✔'World' database, a database that is usually
installed with ______.
Error Code✔✔ANSWER✔✔MySQL Server returns an _____ ____ and
description when an SQL statement is syntactically incorrect or the
database cannot execute the statement.
Database Model✔✔ANSWER✔✔Data structures that prescribe how
data is organized.
Operations that manipulate data structures.
Rules that govern valid data.
Tuple✔✔ANSWER✔✔An ORDERED collection of elements enclosed in
parentheses.
Table✔✔ANSWER✔✔A _____ has a name, a fixed tuple of columns,
and a varying set of rows.
Column✔✔ANSWER✔✔A ______ has a name and a data type.
Row✔✔ANSWER✔✔Is an unnamed tuple of values. Each value
corresponds to a column and belongs to the column's data type.
, Data Type✔✔ANSWER✔✔A ____ _____ is a named set of values, from
which column values are drawn.
Union✔✔ANSWER✔✔Selects all rows of two tables.
Aggregate✔✔ANSWER✔✔Computes functions over multiple table
rows, such as sum and count.
Relational Rules✔✔ANSWER✔✔Rules that are logical constraints and
ensure data is valid.
The standard language for Relational Databases...✔✔ANSWER✔✔SQL is
the standard language for relational databases, and is commonly
supported in non-relational databases.
Literals (SQL Syntax)✔✔ANSWER✔✔Explicit values that are string,
numeric, or binary.Strings must be surrounded by single quotes or
double quotes.Binary values are represented with x'0' where the 0 is
any hex value.
Keywords (SQL Syntax)✔✔ANSWER✔✔Words with special meaning.
ex. SELECT, FROM, WHERE
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