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« Memento wiki home page as of 2021-12-13, editions Mobile 4.10.3, Desktop 1.10.1 »

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Wiki home — The Memento Database application

The Memento Database application is a personal & professional database application that comes in 2 editions, each of which run on various computing platforms. Memento Database runs within the Java Runtime Environment.

The Memento Database application Editions & Platforms

Yada

Memento editions

  • The Mobile edition — an edition that runs on mobile device platforms, such as Google's Android OS and Apple's iOS OS.
    • The edition on the Android platform dates back to 2015 or earlier.
    • The edition on the iOS platform has not yet been released (as of December 2021 and is currently undergoing beta testing.
  • The Desktop edition — an edition first released in 2017, simultaneously for these platforms...
    • Microsoft's Windows PCs
    • Apple's MacOS PCs
    • Linux PCs

About Memento — Information about the Memento Database application

For information about Memento, see the About Memento home page.

About the Memento wiki — Information about the user-authored Memento wiki

For information about the user-authored Memento wiki, see Where is the wiki home page?.

Memento's structure — the User Interface, Scripting, and Database tiers

Like almost all modern applications, Memento employs a 3-tier structure.

Memento tiers

  • The User Interface (UI) tier — more properly called the Presentation tier. The UI consists of — on the Mobile edition screens & on the Desktop edition windows — in either edition with cards (forms), menus, toolbars, buttons, and so on — to handle interaction with the user.
  • The Scripting tier — more properly called the Application tier — actions taken upon user input or other such events, like the pushing of a button or saving of an entry. These events may be handled ‐ to some degree by Memento & to another degree by the use of scripting — manages these events, some of which are handled by Memento itself and some of which may be controlled by the user, generally in JavaScript.
  • The Database tier — more properly called the Data tier — manages storage of & access to data. This tier includes definitions of all libraries, fields (with any aggregations or autofills), entries, links among or relationships between libraries, templates, filters, synchronization of local data with data in the cloud, the partial synchronization of each library with Google Sheets, which can then be saved to Microsoft Excel files. This synchronization with (spreadsheets in Google Drive, as opposed to libraries in the Memento cloud) of library links, item names names in Single-Choice List, Radio Buttons, Multiple-Choice List, Checkboxes, & List fields, and with tag names in Tags fields.

The Memento UI (user interface) — The Presentation tier indices (indexes)

Like all indices, these provide direct access to the various facilities of Memento. The UI indices (one for each edition) are specific to the OS platforms it runs on.

Mobile index — Navigating the Mobile Memento UI (user interface)

The index to the Mobile edition of the Memento Database
provides links to all the Wiki21 (Memento wiki 2021) pages for the Mobile edition.

Desktop index — Navigating the Desktop Memento UI (user interface)

The index to the Desktop edition of the Memento Database
provides links to all the Wiki21 (Memento wiki 2021) pages for the Desktop edition.


Scripting index — Navigating the Memento Scripting or Application tier facilities — Scripting the Memento Database Application

The (almost entirely) edition-independent index to the Memento Database application provides links to all the Wiki21 (Memento wiki 2021) pages for scripting the Memento Database application.

Database index — Navigating the Memento Database or Data tier facilities — Database & Data Structure in the Memento Database application

The index to the (almost entirely) edition-independent index to the Memento Database application provides links to all the Wiki21 (Memento wiki 2021) pages for the Database & data structure areas within the Memento Database application.


Support — Everything involved in supporting your use of Memento, Help, & the Forum and the Wiki

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Wiki support

Yada, link(s) to wiki support page(s)

Memento support

Yada, link to memento support



Older stuff should by now be in linked pages, but is it?


NOTE: The following was from earlier versions of wiki21 and has been related into its own page — the Home pages of each of the editions & platforms.

Here's more about the obsoleted information below.


Designing a database & setting up the libraries

yadda yadda

Overviews Specifications Help


What is a Library?
Library Structure
Relationships in a Library


Creating a new library
Fields
Properties
Dependencies
Items

Making your data work for you

yadda yadda

Overview Specifications Guidance
Using the Entries List screen to visualize & analyze your data

Teamwork features

yadda yadda

Overview Specifications Guidance
Users & user groups Permissions


Shared Libraries

Data Analysis in the Desktop edition (aka Slicing & dicing)
Sorting, grouping, filtering, charting, aggregation


« NOTE: As of Nov 2021, this section is merely a paste of the same section for the mobile edition. I don't have much experience with data analysis in the Desktop edition, so maybe someone (Beth, maybe with Ernst's help?) might fix it up to be accurate for the Desktop edition? -Bill »


Memento provides the ability to view entries in the Entries List as a straightforward list of entries. In addition, it provides an assortment of list features the user can use:

  • to sort or view the entries in various orders (sequences),
  • to filter the data to see only the entries you want to see, view entries in groups with subtotals,
  • to chart or view the entries' field values plotted on a chart to give the user a visual image of how the data values relate to each other,
  • and to aggregate or view totals & subtotals, averages, minimums, or maximums.
Topics Overviews Specs Guidance
Data visualization & analysis (Slicing & Dicing)
Sort/rearrange, group, filter, chart, aggregate
Aggregating data

Charting data

Entries List screen Slicing & dicing (visualizing & analyzing) library data


End of the new mobile UI section based on Beth's desktop up section

Overviews Specifications
The Android platform and soon iOS, too
How:Data analysis (Slicing & Dicing):
(Sorting, grouping, filtering, aggregation, & charting)

Aggregation
Charting data
How:Slice & Dice Library Data
Screens & cards

Libraries List screen

Library Edit screen
Entries List screen
Entry Edit card
Entry View card
File Manager card
Attached Files card
Charting data

Data Analysis in the Mobile edition — Slicing & dicing:
Sorting, grouping, filtering, charting, aggregation

Topics Overviews Specs Guidance
Data analysis (Slicing & Dicing) Aggregation

Charting data

Entries List screen Slice & Dice Library Data