-
Understanding int(11) in MySQL: Example Codes
Here's a breakdown of what each part means:int: This is the data type, indicating that the column will store integer values
-
Boolean Data Types in SQL Server and MySQL: A Comparative Example
Boolean Data Types:In programming, a boolean data type is used to represent logical values, typically "true" or "false. " These values are often used to make decisions or control the flow of a program
-
Understanding Numeric Data Types in SQL Server with Code Examples
numericPurpose: Stores precise numeric values with a specified precision and scale.Precision: The total number of digits
-
Best Practices for Bcrypt Hashed Password Columns in MySQL
Bcrypt (Blowfish) is a cryptographic hash function designed specifically for password hashing.It incorporates a work factor (cost) that makes brute-force attacks computationally expensive
-
When Does Your Data Need a Time Zone? Choosing Timestamps in PostgreSQL
Think of it like a snapshot of your local calendar and clock.It stores the date and time as-is, without considering what time zone it belongs to
-
Enforcing Data Restrictions in SQLite: Beyond Built-in Types
Create a separate table: This table will hold the actual allowed values for your ENUM. It will have two columns:One column to store the actual value (e.g., text).Another column (optional) to store an order or code (e.g., integer)
-
Ensuring Data Integrity: Using `unsigned` or Alternative Methods in MySQL
In MySQL, unsigned is an attribute that can be applied to integer data types (like INT, SMALLINT, etc. ) to restrict the range of values a column can store
-
Understanding BigInt vs. Int in MySQL
Here's a breakdown of BigInt vs. Int in MySQL:Storage Size: BigInt: Uses 8 bytes of storage space.Storage Size:BigInt: Uses 8 bytes of storage space
-
Should I Always Use VARCHAR(255) in My Database? Exploring Better Practices
VARCHAR stands for Variable Character. It's a data type in many relational databases used to store text information of varying lengths
-
Ensuring Precision in Currency Calculations: A Guide to MONEY and DECIMAL(x,y) in SQL Server
Simple Monetary Calculations (Addition/Subtraction): If you primarily deal with adding and subtracting currency values, MONEY is a good choice
-
Ensuring Data Integrity and Performance: Best Practices for Primary Key Design in SQL Server
Integer Data Types: INT (4 bytes): Most common choice for numeric IDs with a range of -2,147, 483, 648 to 2,147, 483, 647
-
Binary vs. Character: Selecting the Optimal Data Type for Hashed Passwords
Data Types:There are two main options for storing hashed passwords:Binary: This is the preferred choice, as it efficiently stores the raw bytes of the hash without any character encoding