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Posts on tips and tricks, using and learning about SQL for database development and analysis.

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Open-source SPL that can execute SQL without RDB

Open-source SPL that can execute SQL without RDB

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11 min read
Building Streaming Applications with Cloudera SQL StreamBuilder and Apache Pulsar

Building Streaming Applications with Cloudera SQL StreamBuilder and Apache Pulsar

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5 min read
A very short demo on updates in YugabyteDB

A very short demo on updates in YugabyteDB

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3 min read
truncate vs delete

truncate vs delete

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3 min read
IvorySQL - I've tested some Oracle-PostgreSQL compatibility of version 2.1

IvorySQL - I've tested some Oracle-PostgreSQL compatibility of version 2.1

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10 min read
SQL 基礎 Part 03 -- docker-compose で立てたコンテナで立ち上げ時に DB と全権力ユーザーを作成して、外部からログインする

SQL 基礎 Part 03 -- docker-compose で立てたコンテナで立ち上げ時に DB と全権力ユーザーを作成して、外部からログインする

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2 min read
'; SQL_Injection ( ) ;--

'; SQL_Injection ( ) ;--

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7 min read
Working with Azure SQL Triggers in Azure Functions

Working with Azure SQL Triggers in Azure Functions

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7 min read
Advent of Code - Day 4

Advent of Code - Day 4

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3 min read
Why Are SQL Databases Outdated for the Real-Time Recommendation Engines

Why Are SQL Databases Outdated for the Real-Time Recommendation Engines

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9 min read
Types of SQL Joins

Types of SQL Joins

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4 min read
INSERT ON CONFLICT returning old values

INSERT ON CONFLICT returning old values

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3 min read
How to work with JSON data on SQL Server

How to work with JSON data on SQL Server

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4 min read
SQL 基礎 Part 01 -- PostgreSQL サーバーを docker-compose で起動する

SQL 基礎 Part 01 -- PostgreSQL サーバーを docker-compose で起動する

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2 min read
C# How to Initialize an Array: 1-d, n-d, and Jagged

C# How to Initialize an Array: 1-d, n-d, and Jagged

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2 min read
Monitoring SQL Server Agent Jobs with Spring Batch

Monitoring SQL Server Agent Jobs with Spring Batch

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4 min read
Advanced Postgres Row Level Security

Advanced Postgres Row Level Security

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6 min read
SQL extensions for time series data in QuestDB part II

SQL extensions for time series data in QuestDB part II

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8 min read
How sql engine handle join internally - part 2

How sql engine handle join internally - part 2

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3 min read
Concurrent HTTP Call Using SemaphoreSlim in .NET

Concurrent HTTP Call Using SemaphoreSlim in .NET

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3 min read
SQL Server 2022: Logical Functions - GREATEST & LEAST

SQL Server 2022: Logical Functions - GREATEST & LEAST

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1 min read
Database Normalisation

Database Normalisation

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4 min read
What is a "truly distributed UDF" ?

What is a "truly distributed UDF" ?

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4 min read
Python For Beginners

Python For Beginners

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3 min read
Arrays in SQL? Yay or Nay?

Arrays in SQL? Yay or Nay?

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2 min read
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