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To prepare for the Oracle 1Z0-770 certification exam, candidates must have a deep understanding of APEX architecture, including its components and how they interact with each other. They must also have a solid understanding of SQL and PL/SQL, as these are essential skills for developing APEX applications. Additionally, candidates must have experience developing applications using APEX and be familiar with its various features and functionalities.

Oracle 1Z0-770 Exam is a certification exam designed for Oracle APEX (Application Express) developers who want to showcase their skills and knowledge in this field. Oracle APEX is a low-code web application development platform that allows developers to create scalable and secure applications with ease. The Oracle 1Z0-770 exam tests your ability to develop, implement, and maintain Oracle APEX applications.

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Oracle APEX Developer Professional Sample Questions (Q16-Q21):

NEW QUESTION # 16
Which statement is true about creating and using an interactive grid?

A. End users cannot rearrange columns by dragging and dropping.
B. An interactive grid supports Pivot View and Group By View features.
C. For both editable and noneditable interactive grids, end users can change the report layout and create private reports.

Answer: C

Explanation:
Explanation
An interactive grid is a customizable report that allows end users to modify the data and layout of the report.
End users can change the report layout by using the Actions menu or by dragging and dropping columns. They can also create private reports that save their personal preferences for the report. These features are available for both editable and noneditable interactive grids. Verified References: Using an Interactive Grid - Oracle Help Center, Example Interactive Grid - Oracle Help Center

NEW QUESTION # 17
What three are the result of the following QuickSQL shorthand notation do?
departments /insert 4
name /nn
location
country

A. Create the departments table with 3 columns
B. Create the departments table with 4 columns
C. Inserts 4 rows of random data into the departments table
D. Creates an id column as a primary key

Answer: B,C,D

Explanation:
Explanation
The QuickSQL shorthand notation departments /insert 4 name /nn location country will do the following:
Create the departments table with 4 columns: The first word in the notation is the table name, followed by a slash and the number of rows to insert. The subsequent words are the column names, separated by spaces. QuickSQL will generate a SQL script to create the table with the specified columns and data types.
Creates an id column as a primary key: QuickSQL will automatically add an id column as a primary key to the table, unless the /no_pk modifier is used. The idcolumn will be of type NUMBER and will use an identity constraint to generate unique values.
Inserts 4 rows of random data into the departments table: QuickSQL will use the /insert modifier to insert random data into the table, based on the column names and data types. The number after the modifier indicates how many rows to insert.
The other option is incorrect because:
Create the departments table with 3 columns: This is not what the notation will do. The notation will create the table with 4 columns, not 3.
Verified References: [Using Quick SQL] [About Quick SQL Shorthand Syntax]

NEW QUESTION # 18
What are the required fields while creating a Chart in APEX?

A. Data Source
B. Name
C. All of them
D. Label Column
E. Value Column

Answer: C

Explanation:
Explanation
To create a chart in Oracle APEX, you need to provide some required fields that define the data source and appearance of the chart. You can use either the Create Page Wizard or Page Designer to create a chart. The required fields for creating a chart are:
Data Source: This field specifies the SQL query that returns the data for the chart. The query must include at least one column for the label and one column for the value of each data point. You can also include additional columns for grouping, color, or tooltip information.
Value Column: This field specifies the column from the data source query that contains the numeric values for the chart. The values are used to plot the data points on the chart and determine the size of each data point or segment.
Name: This field specifies the name of the chart region. The name is used to identify the region in Page Designer and other components, such as dynamic actions or processes.
Label Column: This field specifies the column from the data source query that contains the labels for the chart. The labels are used to display the name of each data point or segment on the chart or in the legend.

NEW QUESTION # 19
Which two statements are true about creating and managing an APEX Workspace?

A. During workspace creation, you can associate the workspace with an existing databaseschema.
B. You can create only two workspaces in an APEX Service(APEX Application Development)instance.
C. A workspace can be associated with only one schema.
D. A workspace enables multiple users to work within the same Oracle APEX installation.
E. New schemas cannot be created during workspace creation.

Answer: A,D

Explanation:
Explanation
A workspace is a logical work area that enables multiple users to work within the same Oracle APEX installation while keeping their objects, data, and applications private. Creating and managing an APEX workspace involves the following statements:
During workspace creation, you can associate the workspace with an existing database schema or create a new schema for the workspace. A schema is a collection of database objects such as tables, views, indexes, etc. that belong to a user.
A workspace enables multiple users to work within the same Oracle APEX installation. Each user can have a different role and privilege in the workspace, such as workspace administrator, developer, or end user.
A workspace can be associated with one or more schemas. You can add or remove schemas from a workspace after it is created.
You can create as many workspaces as you need in an APEX Service (APEX Application Development) instance. There is no limit on the number of workspaces per instance.
Verified References: Managing WorkspacesAbout Workspaces

NEW QUESTION # 20
Choose from the following the different kinds of page components you can create in APEX.

A. Smart Filters
B. All of them
C. Interactive Grid
D. Search Page
E. Faceted Search

Answer: B

Explanation:
Explanation
All of the options listed are different kinds of page components that you can create in APEX. A page component is an area of a page that serves as a container for content. Each page component contains a different type of content, such as HTML, a report, a form, a chart, a list, a breadcrumb, PL/SQL, a tree, a URL, or a calendar. You can create page components by using the Create Page Wizard, dragging and dropping from the Gallery pane in Page Designer, or using the context-sensitive menu in the Rendering tree in Page Designer.

NEW QUESTION # 21
......

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