This document provides an overview of creating and working with database tables in Microsoft Access. It discusses how to structure tables with different field types, create relationships between tables, and input data. Some key points covered include using auto-number fields, input masks, validation rules, and organizing data into normalized tables based on subjects. The goal is to help the reader understand fundamental concepts for building a relational database in Access.
Waiting too long for Excel's VLOOKUP? Use SQLite for simple data analysis!Amanda Lam
** This workshop was conducted in the Hong Kong Open Source Conference 2017 **
Excel formulas can be quite slow when you're processing data files with thousands of rows. It's also especially difficult to maintain the files when you have some messy mixture of VLOOKUPs, Pivot Tables, Macros and VBAs.
In this interactive workshop targeted for non-coders, we will make use of SQLite, a very lightweight and portable open source database library, to perform some simple and repeatable data analysis on large datasets that are publicly available. We will also explore what you can further do with the data by using some powerful extensions of SQLite.
While SQLite may not totally replace Excel in many ways, after the workshop you will find that it can improve your work efficiency and make your life much easier in so many use cases!
Who should attend this workshop?
- If you're frustrated with the slow performance of Excel formulas when dealing with large datasets in your daily work
- No coding experience is required
Waiting too long for Excel's VLOOKUP? Use SQLite for simple data analysis!Amanda Lam
** This workshop was conducted in the Hong Kong Open Source Conference 2017 **
Excel formulas can be quite slow when you're processing data files with thousands of rows. It's also especially difficult to maintain the files when you have some messy mixture of VLOOKUPs, Pivot Tables, Macros and VBAs.
In this interactive workshop targeted for non-coders, we will make use of SQLite, a very lightweight and portable open source database library, to perform some simple and repeatable data analysis on large datasets that are publicly available. We will also explore what you can further do with the data by using some powerful extensions of SQLite.
While SQLite may not totally replace Excel in many ways, after the workshop you will find that it can improve your work efficiency and make your life much easier in so many use cases!
Who should attend this workshop?
- If you're frustrated with the slow performance of Excel formulas when dealing with large datasets in your daily work
- No coding experience is required
•Design (create) 3 questions for a quiz show game and design regular.pdfjyothimuppasani1
•Design (create) 3 questions for a quiz show game and design regular expressions that validate
the answers. The challenge is to be no more and no less exacting than a human checker. I have
the sample quiz done already.email me for code
Solution
Database design
• Not easy!
• Will discuss formal methods next week
• Review: databases are made up of
– Tables: tables made up of
• Records: records made up of fields
• Speaking of rows and columns is misleading
• Critical issue: fixed number of fields, though a
specific field may be optional (aka not required)
– NOT NULL in MySQL jargon means required!
– MySQL does support variable length strings.
Data types
• Terminology varies for different DBMS
products
• Performance (speed) of operations varies
with different datatypes
• Size varies with different datatypes
• Performance and size limits are points of
competition among the different products
MySQL datatypes: numbers
• INT (aka INTEGER), can be UNSIGNED
(Size 4 bytes = 32 bits)
• TINYINT, SMALLINT, MEDIUMINT,
BIGINT
– Different sizes
• float (4 bytes), double (8 bytes), can
specify precision within these limits
• more
MySQL datatypes, strings
• CHAR(specified length)
• VARCHAR(maximum length)
• TINYBLOB short, variable length string,
up to 255 characters
• BLOB, TEXT variable length string
• MEDIUMBLOB, MEDIUMTEXT,
LONGBLOB, LONGTEXT
MySQL datatypes: enum
• ENUM
– Specify one of a set of values
– Stored as an integer, with 0 indicated unset or
not in the specified set
– Doing this may be more efficient because
built-in MySQL routines do the searching
MySQL datatypes: date/time
• DATE
• TIME
• DATETIME
• YEAR
• TIMESTAMP
Tables
• Specify one field as the primary key
• Primary keys are unique IN THAT TABLE
– Let the DBMS create the primary key OR
– Depend on intrinsic value that is guaranteed to be
unique
• Email addresses
• ISBN numbers
• ?
• A field in one table may be a foreign key. This is
a reference to a primary key in another table (or
this table). MORE ON THIS LATER.
Database
• Assume database itself is created for us
AND we have permissions to create new
tables.
• NOTE: permissions can be set by MySQL
commands, including queries sent by php.
• Start off talking general SQL and then
specific php and MySQL
Create table example
• CREATE TABLE movies (
mid INT NOT NULL AUTO_INCREMENT
PRIMARY KEY,
mname CHAR(30),
mdesc TEXT,
myear YEAR
)
Create table example
CREATE TABLE players (
pid INT NOT NULL AUTO_INCREMENT
PRIMARY KEY,
pname CHAR(30),
score INT NOT NULL,
lastplayed DATE
)
Create example
CREATE TABLE games (
gid INT NOT NULL AUTO_INCREMENT
PRIMARY KEY,
pid INT,
gtime TIMESTAMP,
score INT
)
The pid field will refer to / have the value of
the pid field (the primary key) of a specific
player. Here in this table, it is called a
foreign key.
Foreign keys
• Some versions of MySQL (and other DBMS)
have ways to specify the the pid value is a
foreign key
pid INT REFERENCE players
• The DBMS will check to make sure it is a valid
value.
• Since the php.
Ппулярні застосунки платформи - Word/Excel/PowerPoint/OneNote/Outlook/Lens - модуль мого вебінару "Використання сервісів та застосунків платформи Microsoft 365 для виконання повсякденних завдань" - 21.07.2023
Розмова про менш відомі й популярні сервіси платформи - модуль мого вебінару "Використання сервісів та застосунків платформи Microsoft 365 для виконання повсякденних завдань" - 21.07.2023
Розповідь про OneDrive - модуль мого вебінару "Використання сервісів та застосунків платформи Microsoft 365 для виконання повсякденних завдань" - 21.07.2023
Розповідь про SharePoint - модуль мого вебінару "Використання сервісів та застосунків платформи Microsoft 365 для виконання повсякденних завдань" - 21.07.2023
Рекомендації з опанування сервісів платформи - модуль мого вебінару "Використання сервісів та застосунків платформи Microsoft 365 для виконання повсякденних завдань" - 21.07.2023
Огляд платформи Microsoft 365 - модуль мого вебінару "Використання сервісів та застосунків платформи Microsoft 365 для виконання повсякденних завдань" - 21.07.2023
Корисні посилання та додаткові матеріали для слухачів мого вебінару "Використання сервісів та застосунків платформи Microsoft 365 для виконання повсякденних завдань" - 21.07.2023
Официальные ресурсы для самостоятельного изучения Azure
Дополнительные материалы и сервисы
Уровень бесплатного использования облака для практического освоения Azure
Официальные тренинги Microsoft, разработанные с учетом роли сотрудника в проекте
Профессиональные сертификации на соответствие знаний, умений и навыков сотрудников требованиям
вендора
Что нужно знать, принимая решение о переходе в облако
Вам нужно публичное или приватное облако?
Как в Azure обстоят дела с безопасностью и соответствию стандартам в этой области
Кто отвечает за внедрение и какие роли задействованы
Сценарии, кейсы и примеры использования Azure в различных отраслях
Виртуальные машины. Простая миграция в облако?
Службы для хранения данных. Для любых данных любого размера
Базы данных и аналитика. Просто как 1-2-3
Сетевые службы. Возможности для операторов телекоммуникаций
Бессерверные вычисления. Сконцентрируйтесь на главном!
Интернет вещей. Самый объемный портфель служб в отрасли.
Машинное обучение и когнитивные сервисы. Открытость и совместимость.
Другие сервисы и возможности
Виды подписок на Azure
Соглашения об уровне предоставления сервиса и финансовая ответственность вендора
Как оценить стоимость использования облачных решений и каким образом можно сэкономить
Инструменты оценки совокупной стоимости владения и возврата инвестиций
Возможности по управлению затратами, мониторинг, биллинг, политики
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Acetabularia Information For Class 9 .docxvaibhavrinwa19
Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
A review of the growth of the Israel Genealogy Research Association Database Collection for the last 12 months. Our collection is now passed the 3 million mark and still growing. See which archives have contributed the most. See the different types of records we have, and which years have had records added. You can also see what we have for the future.
Francesca Gottschalk - How can education support child empowerment.pptxEduSkills OECD
Francesca Gottschalk from the OECD’s Centre for Educational Research and Innovation presents at the Ask an Expert Webinar: How can education support child empowerment?
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
Normal Labour/ Stages of Labour/ Mechanism of LabourWasim Ak
Normal labor is also termed spontaneous labor, defined as the natural physiological process through which the fetus, placenta, and membranes are expelled from the uterus through the birth canal at term (37 to 42 weeks
Executive Directors Chat Leveraging AI for Diversity, Equity, and InclusionTechSoup
Let’s explore the intersection of technology and equity in the final session of our DEI series. Discover how AI tools, like ChatGPT, can be used to support and enhance your nonprofit's DEI initiatives. Participants will gain insights into practical AI applications and get tips for leveraging technology to advance their DEI goals.
June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
Letter from the Congress of the United States regarding Anti-Semitism sent June 3rd to MIT President Sally Kornbluth, MIT Corp Chair, Mark Gorenberg
Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
Safalta Digital marketing institute in Noida, provide complete applications that encompass a huge range of virtual advertising and marketing additives, which includes search engine optimization, virtual communication advertising, pay-per-click on marketing, content material advertising, internet analytics, and greater. These university courses are designed for students who possess a comprehensive understanding of virtual marketing strategies and attributes.Safalta Digital Marketing Institute in Noida is a first choice for young individuals or students who are looking to start their careers in the field of digital advertising. The institute gives specialized courses designed and certification.
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2. MODULE OVERVIEW
• Table structure
• Creating tables. Field types
• Changing table structure
• Data input. MEMO - fields. OLE field. Hyperlinks
• Using counters. Field titles
• Numeric fields. Input Masks andValue Condition
3. LESSON 1: CREATING A DATABASE
• DB structure
• Creating tables. Field types
• Change table structure
4. DATABASE
• formally, a "database" refers to a set of related data and the
way it is organized
• organized collection of data, generally stored and accessed
electronically from a computer system
• access to this data is provided by a "database management
system" (DBMS) – computer software that allows users to
interact with one or more databases and provides access to all of
the data contained in the database. Access is a personal
DBMS
• relational database represents all data
as rows and columns in a series of tables, and the vast
majority use SQL for writing and querying data
5. DB CLASSIFICATION BY
DATA MODEL
• Hierarchical
• Network
• Relational
• Object
• Object oriented
• Object relationalSQL vs NoSQL
6. DB CLASSIFICATION BY USER
• Single-user
• Access
• Multiuser
(Enterprise-level)
• SQL Server
• Oracle
• MySQL
• …
7. DATA RELATIONS INSIDE DB
• relational DB – tables, rows and fields
• each table contains unique data
• the process of breaking your data into smaller
tables is called normalization
• relations via key fields (primary and foreign)
• unique entry identifier
• the field "on the other side" of relation
11. TEST QUESTION
What is the function of a primary key? (Pick one answer)
1. To uniquely identify each record in a table
2. To encrypt and decrypt your database
3. To help ensure you enter data in the correct table
12. TEST QUESTION
Primary keys do all that, and all your tables must have a
primary key field
What is the function of a primary key?
Answer:
1. To uniquely identify each record in a table
13. TEST QUESTION
You establish a relationship between Table A and Table B by: (Pick
one answer)
1. Merging Table A with Table B
2. Linking Table A with Table B
3. Adding the primary key from Table A to Table B
(or vice-versa)
14. TEST QUESTION
When you add a primary key field to another table and
create a relationship, that new field becomes a foreign key
You establish a relationship between Table A and Table B by:
Answer:
3. Adding the primary key from Table A to Table B
(or vice-versa)
15. DB STRUCTURE
• Access database consists of
objects
• Main objects:
tables, queries, forms and
reports
• Macros
• Modules
16. EXERCISE
1. Imagine a database
2. Write down what exactly
the database was used for
3. Record your intended uses
of the database
19. TABLES
• Standard DB Building Blocks
• essential component of any database
• a containers to store your data
• similar to data lists in Excel
(CTRL+T, CTRL+L inside
region)
• Access database contains at
least one table
21. TABLES
• a table for each object
of the domain
• rows and fields
• information about a particular
person, event, product, or other
item
• separate component
(one piece of data) of the row
23. HOW TO CREATE A TABLE
• New blank table
• DesignView
• Quick start*
Microsoft no longer recommends creating and using Access
web apps in SharePoint. As an alternative, consider
using Microsoft PowerApps to build no-code business
solutions for the web and mobile devices
29. FIELDTYPES
• (Short )Text
• up to 255 characters
• Number
• 1,2,4,8 bytes
• Large Number (16)
• (MEMO) LongText
• can contain up to 65535
characters
• Date/Time
• Currency type
• 1-4 decimal places
• up to 15 in the whole part
• 8 bytes
• AutoNumber
• Auto increment
• 4 bytes
• (Boolean) Yes/No
• OLE object
• Hyperlink
• up to 2048 characters
30. EACH RECORD IS UNIQUE
• there cannot be two identical
rows
• the primary key is the unique
identifier of each row
• how to ensure uniqueness:
• INN
• product code
• employee's number
• auto increment (autonumber)
31. KEYS
the primary key of one of
the related tables becomes
the foreign key of the
other
32. HOW TO CHANGE DB
STRUCTURE
• Design view for tables
• creating a data schema
• DatabaseTools → Relationships
33. EXERCISE
Create a database table to
store information about
employees of a small web
development startup.
What fields are logical to provide in the table?
34. Which of the following describes a relational database?
(Pick one answer)
1. It provides a relationship between integers
2. It consists of separate tables of related data
3. It retrieves data related to its queries
TEST QUESTION
35. 2. It consists of separate tables of related data
The separate tables are associated with each other through
relationships
TEST QUESTION
Which of the following describes a relational database?
Answer:
36. TEST QUESTION
Which of the following is not a database object?
(Pick one answer)
1. Table
2. Report
3. Query
4. Worksheet
37. 4. Worksheet
Although you can import worksheets from Microsoft Excel
into your database, worksheets are not database objects
TEST QUESTION
Which of the following is not a database object?
Answer:
38. What are the main building blocks of a database?
(Pick one answer)
1. Lists
2. Queries
3. Tables
TEST QUESTION
39. 3. Tables.
Every Access database contains one or more tables that
store your data
TEST QUESTION
What are the main building blocks of a database?
(Pick one answer)
Answer:
40. TEST QUESTION
How many tables should a well-designed database contain?
(Pick one answer)
1. As many as necessary to capture all your data without
redundancy
2. One
3. Two
41. TEST QUESTION
That can be one table, or it can be dozens
How many tables should a well-designed database contain?
Answer:
1. As many as necessary to capture all your data without
redundancy
42. Data should be organized into tables based on:
(Pick one answer)
1. Field properties
2. Subjects associated with the data
3. Character lengths
TEST QUESTION
43. 2. Subjects associated with the data
A well structured database has a table for each subject to
which data belongs, such as Employees, Students, or
Products
TEST QUESTION
Data should be organized into tables based on:
Answer:
44. A row in a table is also known as:
(Pick one answer)
1. A field
2. A record
3. A data type
TEST QUESTION
45. 2. A record.
A row is one record in a table; it contains a collection of data
about something, such as a product or employee. A record
includes data from several fields that might have names like
Unit Price or Employee ID
TEST QUESTION
A row in a table is also known as:
Answer:
46. A primary key is:
(Pick one answer)
1. A unique identifier that can be used to relate tables
2. The key that precedes the secondary key
3. The password that validates a database
TEST QUESTION
47. 1. A unique identifier that can be used to relate tables.
A primary key distinguishes one record from another and
links data in one table to data in other tables
TEST QUESTION
A primary key is:
Answer:
48. LESSON 2:WORKING WITH FIELDS
• Data input. MEMO fields. OLE field. Hyperlinks
• Using counter. Field titles
• Numeric fields. Input Masks andValue Condition
49. MEMO, OLE FIELDS ETC.
• (MEMO) Long Text field
• Can contain up to 65535 characters
• Unicode is used
• OLE field - link to OLE object
• Microsoft Excel sheet
• Microsoft Word document
• Sound, Picture, Video
• ...
• Hyperlinks - file path, web page
• display text
• address (file or page path)
• additional address (position inside file or page)
• tooltip text
• each part of the hyperlink can contain up to 2048 characters
50. AUTONUMBER
• 4-byte unique number
• Determined automatically for each new record
• either randomly or by increasing the previous value by 1
• Values cannot be updated
• The maximum number of entries in a table with a
counter field must not exceed two billion
51. LOOKUPWIZARD
• Field property, not real data type
• starts the wizard to create a lookup column
• list of values to choose from when entering data
52. FIELD CAPTION
• The property that sets the field header (caption)
• displayed in table mode
• It may be the same as the field name, or it may
differ from it
• If not specified,Access uses the field name for
this.
• may contain up to 2048 characters
53. NUMERIC FIELDS
• Field size - 1, 2, 4, 8 or 16 bytes
• The default is Long Integer
• 4 bytes
• from -2,147,483,648 to +2,147,483,647
• Byte - 1 byte
• Integer - 2 bytes
• Single (float) - 4 bytes
• Double (float) - 8 bytes
• Decimal - 12 bytes
• Replication ID - 16 bytes
• used to identify an entry in the table
54. INPUT MASK
• intended to facilitate control
over the entry of information in
the field of a table, query or
control of a form or report
• Character string
• regular characters
• brackets, points or hyphens
• Special symbols
• indicate in what positions, in
what quantity and what type of
data can be entered
59. VALIDATION RULE
• Applicable for all fields except AutoNumber and OLE
• If a condition is specified, when the field is saved, it will be
checked
• If the condition is not met, a message is displayed from the
error message (ValidationText)
• If the message text is not specified, a standard message will be
displayed.
• May contain up to 2048 characters
• Error Message (ValidationText) - up to 255 characters
62. EXERCISE
• Create a database of your home
library
• Consider the tables and their fields
• book author
• book title
• publisher
• number of pages
• Create tables and links
between them
63. BOTTOM LINE
• Table structure
• Creating tables. Field types
• Change table structure
• Data input. MEMO, OLE, Hyperlinks
• Auto Number. Field captions
• Numeric fields. Input Masks andValidation Rules