Join Bill Weinman for an in-depth discussion in this video String types, part of MySQL Essential Training (2014).
…MySQL provides string types for a variety of purposes.…Character strings are used to store text based strings.…Binary strings store non-text based data.…Fixed length strings are padded and always use the same amount of storage.…Variable length strings use less storage when the strings are shorter,…and large object storage is used for storing documents and media files.…Character strings come in two varieties.…The CHAR string is a fixed length string.…
The parameters used to define the length of the string.…For example, if you specify a length of 5,…the string will alway be 5 characters in length.…If you put fewer than 5 characters in the string, it…will add spaces at the end of the string in order…to pad it out to 5 characters, and when you retrieve…the string from the table, any padded spaces are removed first.…The VARCHAR string is variable in length.…The parameter is used to limit the length of the string.…For example, if you specify a length of 25, the string will…have up to 25 characters, plus the 1 or 2 byte length value.…
- Writing queries
- Creating and updating databases and tables
- Using MySQL built-in functions
- Sorting and filtering data
- Updating tables with triggers
- Working with subselects and views
- Creating and using a stored function
Skill Level Beginner
1. Installing and Configuring the Test Environment
2. Basic Syntax
3. Creating a Database
4. MySQL Data Types
5. MySQL Functions
8. Subselects and Views
9. Stored Routines
10. PHP's PDO Interface with MySQL
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