Introduction to database
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This document provides an introduction and overview of databases and the basic operations used to manage data in a database using Microsoft Access 2007. It defines what a database is, how data is organized in tables with rows and columns, and when it is appropriate to use a database. It also outlines and provides examples of the basic CRUD (create, read, update, delete) operations used in structured query language (SQL) to manipulate data, including inserting, selecting, updating, and deleting records from database tables.
![CRUD : RetrieveSELECT <select_list> FROM <table_name>[ WHERE <search_condition> ][ ORDER BY <order_expression> [ ASC | DESC ] ];Select which fields to retrieve ExamplesSELECT field_1, field_2 FROM table_name …SELECT * FROM table_name …](https://image.slidesharecdn.com/introductiontodatabase-100518082143-phpapp01/85/Introduction-to-database-22-320.jpg)
![CRUD : RetrieveSELECT <select_list> FROM <table_name>[ WHERE <search_condition> ][ ORDER BY <order_expression> [ ASC | DESC ] ];Available operators: =, <, >, <=, >=, <>Modifiers: AND, OR, NOT, ()Examples… WHERE student_id=1 …… WHEHE (<cond1>) AND (<cond2>) …](https://image.slidesharecdn.com/introductiontodatabase-100518082143-phpapp01/85/Introduction-to-database-23-320.jpg)
![CRUD : RetrieveSELECT <select_list> FROM <table_name>[ WHERE <search_condition> ][ ORDER BY <order_expression> [ ASC | DESC ] ];Sort results by order expression ascending (default) or descendingExpression can be chained togetherExamples… ORDER BY date DESC …… ORDER BY name ASC, surname ASC …](https://image.slidesharecdn.com/introductiontodatabase-100518082143-phpapp01/85/Introduction-to-database-24-320.jpg)
![CRUD : UpdateUPDATE <table_name> SET <field_value_list>[ WHERE <search_condition> ];Update every record that match the search conditionWe usually use primary key for thisExamplesUPDATE students SET name=“Knight”, surname=“Baron” WHERE nisit_id=1;](https://image.slidesharecdn.com/introductiontodatabase-100518082143-phpapp01/85/Introduction-to-database-28-320.jpg)
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Introduction to database
- 1. Introduction to DatabaseWith Microsoft Office Access 2007
- 2. AgendaGetting to Know DatabaseBasic of Microsoft Office Access 2007Basic Operations of DatabaseStructured Query Language (SQL)CRUD Operations
- 3. Getting to Know Database
- 4. Definition of DatabaseOrganized mechanism to store, manage and retrieve informationEfficientRobustStableArranged in tabular fashionApparent relationship between informationThe most important aspectWon’t be taught in this class :-(
- 5. Consists of a table, multiple fields and many columnsA Really Simple Database
- 6. Organization of DatabaseTablesFields (Columns)Has many typesPrimary Key (Optional)Records (Rows, Entries)
- 7. When to Use Database? (1/3)AppropriateAppropriateInappropriateAppropriateInappropriateAppropriate
- 8. When to Use Database? (2/3)Transaction recordsLoggingBlog/ForumMedia LibraryShopping listMusic playlistAppropriateInappropriate
- 9. When to Use Database? (3/3)Managing mass amount of informationSharing Information between many usersManipulating complicatedly related informationNeed securityDesire organization
- 10. Under the HoodInfrastructure of DatabaseImplementations in which we are going to learn
- 11. Basic of Access 2007
- 12. Don’t panic! You’ll soon be familiar with it.Microsoft Office Access 2007
- 15. Basic Operations of Database
- 16. Structured Query Language (SQL)Defines methods to manipulate databaseAttempt to request something from Database is called QueryEach formed SQL statement refer as SQL QueryResembles natural languageHas many standardsHowever, the basic part is still the same
- 17. CRUDCreate new tables and recordsRetrieve records from tablesUpdate tables’ definition and record’s dataDelete existing tables and records
- 18. CRUD : CreateINSERT INTO <table_name> (<field_list>)VALUES (<value_list>);AutoNumber field must not be includedExamplesINSERT INTO students (nisit_id, name, surname) VALUES (51052744, “Pongsakorn”, “U-chupala”);
- 19. CRUD : Create - ExampleINSERT INTO students(nisit_id, name, surname)VALUES (51052744, “Pongsakorn”, “U-chupala”);
- 20. CRUD : Create - ExampleINSERT INTO students(nisit_id, name, surname)VALUES (51052744, “Pongsakorn”, “U-chupala”);
- 21. CRUD : Create - PracticeInsert a record with every field specified
- 22. CRUD : RetrieveSELECT <select_list> FROM <table_name>[ WHERE <search_condition> ][ ORDER BY <order_expression> [ ASC | DESC ] ];Select which fields to retrieve ExamplesSELECT field_1, field_2 FROM table_name …SELECT * FROM table_name …
- 23. CRUD : RetrieveSELECT <select_list> FROM <table_name>[ WHERE <search_condition> ][ ORDER BY <order_expression> [ ASC | DESC ] ];Available operators: =, <, >, <=, >=, <>Modifiers: AND, OR, NOT, ()Examples… WHERE student_id=1 …… WHEHE (<cond1>) AND (<cond2>) …
- 24. CRUD : RetrieveSELECT <select_list> FROM <table_name>[ WHERE <search_condition> ][ ORDER BY <order_expression> [ ASC | DESC ] ];Sort results by order expression ascending (default) or descendingExpression can be chained togetherExamples… ORDER BY date DESC …… ORDER BY name ASC, surname ASC …
- 25. CRUD : Retrieve - ExampleSELECT name, height FROM studentsWHERE height>160ORDER BY height DESC;
- 26. CRUD : Retrieve - ExampleSELECT name, height FROM studentsWHERE height>160ORDER BY height DESC;
- 27. CRUD : Retrieve - PracticeSelect every record, sort by STU_ID, ascendingSelect name, surname and height of everyone shorter than 170Select everyone heavier than 70, sort by height, descending
- 28. CRUD : UpdateUPDATE <table_name> SET <field_value_list>[ WHERE <search_condition> ];Update every record that match the search conditionWe usually use primary key for thisExamplesUPDATE students SET name=“Knight”, surname=“Baron” WHERE nisit_id=1;
- 29. CRUD : Update - ExampleUPDATE students SET name=“Knight”, surname=“Baron”WHERE nisit_id=51052744;
- 30. CRUD : Update - ExampleUPDATE students SET name=“Knight”, surname=“Baron”WHERE nisit_id=51052744;
- 31. CRUD : Update - PracticeUpdate the record that you’ve added earlier with different data
- 32. CRUD : DeleteDELETE FROM <table_name>WHERE <search_condition> ;Delete every record that match the search conditionExamplesDELETE FROM students WHERE id=1DELETE FROM students WHERE (name=“Knight”) AND (surname=“Baron”);
- 33. CRUD : Delete - ExampleDELETE FROM studentsWHERE (nisit_id=51052345) OR (nisit_id=51052744);
- 34. CRUD : Delete - ExampleDELETE FROM studentsWHERE (nisit_id=51052345) OR (nisit_id=51052744);
- 35. CRUD : Delete - ExampleDELETE FROM studentsWHERE (nisit_id=51052345) OR (nisit_id=51052744);
- 36. CRUD : Delete - PracticeDelete the record you’ve modified earlier
- 37. Conclusion
- 38. ReviewGetting to know DatabaseDefinitionOrganizationPracticing with Access 2007Database operationsSQL SyntaxCRUD Operations
- 39. Please do not hesitate to askAny Questions?