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Page 197 of my articles, tutorials, and thoughts
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Max length for client ip address
# How Long Can Client IP Addresses Get? š Hey there! Are you wondering how long a client IP address can get? š¤ You're not alone! Let's dive into this fascinating topic together and find out the maximum size for a database column storing client IP addres
Extreme wait-time when taking a SQL Server database offline
š Mystery of the Extreme Wait-Time! šµļøāāļøšØ Solving the SQL Server Database Offline Stall ā³ If you have ever encountered the extreme wait-time blues ā°ā¬ļø when trying to take your SQL Server database offline, worry not! š āāļø We have got you covered with
How to randomly select rows in SQL?
# How to Randomly Select Rows in SQL? š²šļø Are you struggling with selecting random rows from a SQL table? Do you need to pick a certain number of records from your database without any specific criteria? š¤ Well, you've come to the right place! In this
Difference between primary key and unique key
## šļø Making Sense of Keys in MySQL: Primary Key vs Unique Key Are you feeling lost in the vast sea of database terminology? š Don't worry, we're here to help you navigate through it! Today, we'll be shedding light on the difference between primary keys
Why is SELECT * considered harmful?
# Why is SELECT * considered harmful? šµļøāāļøš« Ah, the infamous "SELECT *". It may seem innocent at first, but it's time to dig deeper and uncover why this seemingly harmless piece of code can lead to numerous issues and headaches down the line. š³ļøš„ ##
How do I interpret precision and scale of a number in a database?
# š Understanding Precision and Scale in Database Numbers Are you confused about how to interpret the precision and scale of a number in a database? Don't worry, you're not alone! Many people struggle with understanding these terms and their real-life i
Best way to check for "empty or null value"
## The Best Way to Check for "Empty or Null Value" in Postgres SQL Statements Have you ever encountered the challenge of checking if a value is null or an empty string in Postgres SQL statements? š¤ Don't worry, you're not alone! This can be a tricky prob
How to compare dates in datetime fields in Postgresql?
# How to Compare Dates in Datetime Fields in PostgreSQL š Are you facing a strange scenario when comparing dates in PostgreSQL? Don't worry, you're not alone! In this blog post, we'll dive into a common issue and provide easy solutions for comparing date
Does MySQL index foreign key columns automatically?
# Does MySQL index foreign key columns automatically? š¤š š Hey there tech enthusiasts! Welcome back to my tech blog! Today, let's dive into a common question that often pops up in the world of MySQL databases: Does MySQL index foreign key columns autom
What is Hash and Range Primary Key?
**š Understanding Hash and Range Primary Key in DynamoDB** Hey there! š Are you getting confused by terms like hash and range primary key while reading the DynamoDB documentation? Don't worry, I'm here to help you understand it in a simple and straightf