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

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Database Design: "How to Create a Robust and Scalable Data Model"

Database Design: "How to Create a Robust and Scalable Data Model"

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3 min read
Open-source SPL Eliminates Tens of Thousands of Intermediate Tables from Databases

Open-source SPL Eliminates Tens of Thousands of Intermediate Tables from Databases

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8 min read
SAS Function setDateByNumberBDays

SAS Function setDateByNumberBDays

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1 min read
SAS Function isBrHolidayworkingDaysBetweenDates

SAS Function isBrHolidayworkingDaysBetweenDates

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1 min read
SAS Functions previous and next BusinessDay

SAS Functions previous and next BusinessDay

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1 min read
Create Stored Procedures using Embedded Python

Create Stored Procedures using Embedded Python

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5 min read
How to build a music player part 2: Introduction MySQL database

How to build a music player part 2: Introduction MySQL database

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3 min read
A Quick Guide to AI-Powered Data Visualization: Create a Smart Dashboard with LogicLoop.

A Quick Guide to AI-Powered Data Visualization: Create a Smart Dashboard with LogicLoop.

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6 min read
25 SQL tricks for beginners.

25 SQL tricks for beginners.

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2 min read
Managing Calendar Availability in Supabase

Managing Calendar Availability in Supabase

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3 min read
SAS Function isBrHoliday

SAS Function isBrHoliday

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1 min read
SAS Function isBusinessDay

SAS Function isBusinessDay

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1 min read
pg_hint_plan in views? No. But in UDFs, Yes

pg_hint_plan in views? No. But in UDFs, Yes

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10 min read
Managing Dataflow and SQL Database with Concurrency Control

Managing Dataflow and SQL Database with Concurrency Control

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8 min read
My Favorite Free Courses to Learn Data Science in Depth

My Favorite Free Courses to Learn Data Science in Depth

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15 min read
Description of important clauses in SQL and Apache age query format part 2

Description of important clauses in SQL and Apache age query format part 2

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2 min read
Description of important clauses in SQL and Apache age query format part 1

Description of important clauses in SQL and Apache age query format part 1

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2 min read
Exploring Advanced and Modern Concepts in SQL with Practical Examples.

Exploring Advanced and Modern Concepts in SQL with Practical Examples.

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4 min read
7 Bad Practices to Avoid When Writing SQL Queries for Better Performance 🚀

7 Bad Practices to Avoid When Writing SQL Queries for Better Performance 🚀

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4 min read
BigQuery deduplication strategies

BigQuery deduplication strategies

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5 min read
Postgres Concurrency : What could go wrong (part 1)

Postgres Concurrency : What could go wrong (part 1)

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4 min read
How ACID is CitusDB?(compared to YugabyteDB)

How ACID is CitusDB?(compared to YugabyteDB)

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4 min read
Interpreting Low-Code from the perspective of open-source SPL

Interpreting Low-Code from the perspective of open-source SPL

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8 min read
TiDB: Distributed MySQL with Foreign Key but not Serializable

TiDB: Distributed MySQL with Foreign Key but not Serializable

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5 min read
MySQL 8.0: Invisible Columns

MySQL 8.0: Invisible Columns

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2 min read
Generate Random Text Strings in PostgreSQL

Generate Random Text Strings in PostgreSQL

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1 min read
PIVOT & UNPIVOT operators

PIVOT & UNPIVOT operators

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3 min read
Analyzing Uber and Uber Eats Expenses Using DBT, Postgres, Gmail, Python, SQL And PowerBI

Analyzing Uber and Uber Eats Expenses Using DBT, Postgres, Gmail, Python, SQL And PowerBI

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9 min read
Range indexes for LIKE queries in YugabyteDB

Range indexes for LIKE queries in YugabyteDB

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8 min read
Tutorial for Middle/Senior Level Developer: General Query Solution

Tutorial for Middle/Senior Level Developer: General Query Solution

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19 min read
Why ETL Becomes ELT or Even LET?

Why ETL Becomes ELT or Even LET?

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8 min read
When To Use SQL vs NoSQL: An Expert Guide to Databases

When To Use SQL vs NoSQL: An Expert Guide to Databases

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11 min read
SQL vs. NoSQL - cutting through the Tech Twitter noise

SQL vs. NoSQL - cutting through the Tech Twitter noise

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9 min read
How does the in-memory database bring memory’s advantage into play?

How does the in-memory database bring memory’s advantage into play?

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12 min read
A Worthy Sequel: An Overview of Next-Gen NoSQL Databases

A Worthy Sequel: An Overview of Next-Gen NoSQL Databases

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4 min read
Creating a database with Azure SQL database.

Creating a database with Azure SQL database.

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2 min read
MySQL Basic Select challenges

MySQL Basic Select challenges

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2 min read
SQL Constraints 101: Ensuring Data Accuracy and Integrity

SQL Constraints 101: Ensuring Data Accuracy and Integrity

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6 min read
Getting Started with SQLite in Python: Events Database

Getting Started with SQLite in Python: Events Database

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3 min read
Learning SQL? Here's a grab bag of links.

Learning SQL? Here's a grab bag of links.

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3 min read
SQLAlchemy - the easiest way to use Python and SQL with IRIS's databases

SQLAlchemy - the easiest way to use Python and SQL with IRIS's databases

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3 min read
Introduction to SQL set operators

Introduction to SQL set operators

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5 min read
My Favorite Websites to Learn Database and SQL in 2023

My Favorite Websites to Learn Database and SQL in 2023

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15 min read
SQL Recipe: Ranking Records

SQL Recipe: Ranking Records

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2 min read
DBMS Concepts

DBMS Concepts

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10 min read
How to close a MySQL connection in Node js?

How to close a MySQL connection in Node js?

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1 min read
Efficient Data Management with "PostgreSQL"

Efficient Data Management with "PostgreSQL"

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2 min read
CRUD - 4 SQL Commands, their Javascript equivalents and MORE

CRUD - 4 SQL Commands, their Javascript equivalents and MORE

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5 min read
Selecting Things in All of the Nominated Categories

Selecting Things in All of the Nominated Categories

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7 min read
Demystifying Active Record Associations

Demystifying Active Record Associations

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3 min read
Delete data with Circular Dependency in SQL

Delete data with Circular Dependency in SQL

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3 min read
The 5 rules for writing faster SQL

The 5 rules for writing faster SQL

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8 min read
SQL 新增完成後取得 PK

SQL 新增完成後取得 PK

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1 min read
Cypher: How to Determine Degree Centrality and Rank Nodes by Influence Using Cypher Queries

Cypher: How to Determine Degree Centrality and Rank Nodes by Influence Using Cypher Queries

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2 min read
Hash indexes in PostgreSQL

Hash indexes in PostgreSQL

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4 min read
Multi-Stream Joins With SQL

Multi-Stream Joins With SQL

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8 min read
How to Inspect a Lot of Stored Procedures (SP) in MSSQL

How to Inspect a Lot of Stored Procedures (SP) in MSSQL

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2 min read
HTAP database cannot handle HTAP requirements

HTAP database cannot handle HTAP requirements

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13 min read
CTE with Multiple Update Statements

CTE with Multiple Update Statements

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2 min read
Using KNN Algorithm for Player Matching in Online Games

Using KNN Algorithm for Player Matching in Online Games

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4 min read
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