1. Schema Is the Logical Structure of a Database.2. It Defines the Design of the Database.3. It Specifies Tables and Their Attributes.4. It Defines Relationships Between Tables.5. It Also Defines Database Constraints.6. Schema Is Created During Database Design.7. Instance Is the Actual Data Stored in the Database at a Particular Time. 8. It Represents the Current State of the Database.9. It Changes When Data Is Inserted.10. It Changes When Data Is Updated or Deleted. 11. an Instance Can Be Different
A schema is the logical structure or design of a database. It describes tables, attributes, relationships and constraints.
Example: Student(Rollno, Name, Branch, Marks)
This structure is the schema.
Instance
An instance is the actual data stored in the database at a particular moment.
Example:Roll no Name Branch Marks 101 Rahul CSE 78 102 Amit CSE85 .......This actual data represents an instance.
Difference Schema InstancebStructure/design of database
Actual data in database Changes rarely Changes...
Data means raw facts and figures.
Example: 101, Vikas, CSE, 1st Year
A database is an organized collection of related data that can be easily accessed, managed, and updated.
DBMS (Database Management System) is software used to create, store, retrieve, update, and manage data in a database.
Examples: MySQL, Oracle, PostgreSQL, SQL Server.
1. pwd early works in india
the public works department (pwd) developed during the british period to undertake and control major public infrastructure and construction works.
the expansion of the british administration, railways, roads, canals and other infrastructure created a demand for trained technical personnel.
the pwd expanded significantly around 1854–55, becoming an important institution for surveying, planning and construction.
its major functions included surveying land, preparing
In his Rhetoric Aristotle claimed that "character may almost be called the most effective means of persuasion." Each of Early American writers knew and utilized this opportunity, but they approached it differently. All of them gained credibility for their speeches and writings but in different manners. While John Winthrop appealed to the deity, George Washington created credibility with his arguments and James Madison concealed his identity so that his ideas could speak for themselves.
Winthrop
RELIGION — CORE IDEAS
Religion = organized beliefs, practices, symbols, traditions that help people connect to what they see as sacred and find meaning.
Religion gives: meaning, comfort, community, moral guidance, rituals, explanations of the sacred.
SPIRITUALITY + WORLDVIEW
Spirituality = personal search for meaning, purpose, connection, transcendence. Worldview = the lens you use to understand life.
Shaped by: family, culture, friends, media, experiences, religion, values, society.
Religion
BLOCO 1 — O PENSAMENTO HUMANO
4. Razão intuitiva e razão discursiva
Pergunta:
Discuta a distinção entre a razão intuitiva e a razão discursiva, mostrando a relevância dessa distinção para as ciências sociais.
Resposta simples:
A razão discursiva conhece o objecto por etapas, usando vários actos de conhecimento, provas e demonstrações até chegar à conclusão.
A razão intuitiva compreende o objecto de uma só vez, de forma directa e imediata, sem precisar de provas ou demonstrações....
· Инфекция — заражение. · Инфекционная болезнь...
1. International Business refers to business activities involving the exchange of goods, services, capital, technology and resources between two or more countries. Nature / Features ⦿International transactions – Business takes place across national borders. ⦿Large market – Firms can serve customers in different countries. ⦿Different environments – Political, economic, legal and cultural conditions differ. ⦿Foreign exchange – Different currencies are involved. ⦿Higher risk – Political