A relational database is organized in tables, rows, and columns. A unique key is used to identify individual rows in a table and to relate one table to another.
- [Narrator] The purpose of a database … is to organize your data and to make it available … in convenient forms. … SQL is a language for managing a relational database. … A relational database is organized … in two-dimensional tables, comprised of rows and columns. … A relational database has tables. … It could have one table or many tables. … In this example, the database has three tables: … customer, item, and sale. … A table has rows and columns. … In this example, the customer table has three rows, … and the columns are named id, name, address, … city, state, and zip. … A row is like an individual record in a table. … In fact, some will use the term record … interchangeably with row. … In this example, the highlighted row … is the record for Mary Smith in the customer table. … A column is like a field. … Again, so we'll use the term field … interchangeably with column. … In this example, the highlighted column is named address, … and contains the address of each row in the table. …
This course was created by Bill Weinman. We are pleased to offer this training in our library.
- How databases are organized
- Selecting rows and columns
- Creating new tables
- Inserting and updating data
- Sorting and filtering
- Accessing related tables with JOIN
- Working with strings
- Understanding numeric types
- Using aggregate functions and transactions
- Automating data with triggers
- Creating views
- Using CRUD functions
Skill Level Beginner
2. SQL Overview
3. Fundamental Concepts
7. Dates and Times
Dates and times2m 6s
11. Views and Subselects
12. A Simple CRUD Application
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