Learn how SQL data types, including numeric types, are entirely platform dependent and are guaranteed to be different on different systems.
- [Instructor] SQL data types…are entirely platform dependent.…The data types that are available…on one database management system…are almost guaranteed to be different…from the data types available…on another database management system.…This also means that the numeric functions…are going to have differences.…Sometimes the differences will be subtle,…and sometimes they will be significant.…The functions presented in this chapter…will give you an idea of how numeric functions work in SQL…but they may work differently on your system,…and there will certainly be many functions…that are specifically suited to your system.…
In SQL there are two basic categories of numeric types,…for representing integers and real numbers.…There will likely be many variations of these types…on a full feature database management system.…These types may be spelled differently,…or may use different terminology,…but the integer types…will mostly fall into these three categories.…An integer type for whole numbers…that have no fractional part.…
- Understanding SQL terminology and syntax
- Creating new tables
- Inserting and updating data
- Writing basic SQL queries
- 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
- Defining functions in PHP
Skill Level Beginner
2. SQL Overview
3. Fundamental Concepts
7. Dates and Times
Dates and times1m 52s
11. Views and Subselects
12. Defined Functions
13. A Simple CRUD Application
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