Exam (elaborations)

WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM AND STUDY GUIDE LATEST 2024/2025 ACTUAL EXAM 400 QUESTIONS AND CORRECT DETAILED ANSWERS (WITH RATIONALES)|ALREADY GRADED A+/ BRAND NEW!!!

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Uploaded on November 6, 2024
Number of pages 93
Written in 2024/2025
Type Exam (elaborations)
Contains Questions & answers

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wgu d427 data management applications oa exam and
wgu d427 data management applications oa exam
wgu d427 data management applications oa
wgu d427 data management applications

Institution Nursing
Course Nursing

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WGU D427 DATA MANAGEMENT APPLICATIONS

OA EXAM AND STUDY GUIDE LATEST 2024/2025

ACTUAL EXAM 400 QUESTIONS AND CORRECT

DETAILED ANSWERS (WITH

RATIONALES)|ALREADY GRADED A+/ BRAND

NEW!!!

Comparison operators compute logical values TRUE

or FALSE. Operands may be numeric - Answer-

character, and other data types.

Logical operators compute logical values from

logical operands. - Answer-

,unary - Answer-A unary operator has one operand.

binary - Answer-A binary operator has two operands.

expression - Answer-An expression is a string of

operators, operands, and parentheses that

evaluates to a single value. Operands may be

column names or fixed values. The value of an

expression may be any data type.

operator precedence - Answer-Operators in an

expression are evaluated in the order of operator

,precedence, shown in the table below. Operators of

the same precedence are evaluated from left to

right. Regardless of operator precedence,

expressions enclosed in parentheses are evaluated

before any operators outside the parentheses are

applied.

SELECT / FROM - Answer-The SELECT statement

selects rows from a table. The statement has a

SELECT clause and a FROM clause. The FROM

clause specifies the table from which rows are

selected. The SELECT clause specifies one or more

expressions, separated by commas, that determine

what values are returned for each row.

, result table - Answer-The SELECT statement returns

a set of rows, called the result table.

LIMIT - Answer-MySQL has a LIMIT clause that

limits the number of rows returned by a SELECT

statement.

condition - Answer-A condition is an expression that

evaluates to a logical value.

WHERE - Answer-A SELECT statement has an

optional WHERE clause that specifies a condition for

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Exam (elaborations)

WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM AND STUDY GUIDE LATEST 2024/2025 ACTUAL EXAM 400 QUESTIONS AND CORRECT DETAILED ANSWERS (WITH RATIONALES)|ALREADY GRADED A+/ BRAND NEW!!!

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