DEV Community

select * from SQL

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

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Connect C# to SQL Server

Connect C# to SQL Server

Comments
5 min read
SELECT DISTINCT pushdown to do a loose index scan (skip scan)

SELECT DISTINCT pushdown to do a loose index scan (skip scan)

2
Comments
4 min read
Is PostgreSQL a worthy alternative to Microsoft SQL Server?

Is PostgreSQL a worthy alternative to Microsoft SQL Server?

1
Comments
4 min read
Path to Learning Pandas | Become Data Analyst

Path to Learning Pandas | Become Data Analyst

2
Comments 2
1 min read
All you need to know about table partition in SQL

All you need to know about table partition in SQL

1
Comments 1
2 min read
9 ways to tune SQL performance

9 ways to tune SQL performance

Comments
2 min read
Adding a new data type to a sql query engine (Trino)

Adding a new data type to a sql query engine (Trino)

Comments
10 min read
Regular Expressions in SQLite

Regular Expressions in SQLite

4
Comments
2 min read
Setting up MariaDB Galera Cluster for High Availability

Setting up MariaDB Galera Cluster for High Availability

1
Comments
2 min read
Working With Transactions In EF Core

Working With Transactions In EF Core

1
Comments
3 min read
Classify and label text in your database with Hugging Face and MindsDB integration

Classify and label text in your database with Hugging Face and MindsDB integration

1
Comments
6 min read
Administración de bases de datos con SQL Server

Administración de bases de datos con SQL Server

1
Comments
7 min read
Unlock the Power of CTEs: Simplify and Optimize Your SQL Queries

Unlock the Power of CTEs: Simplify and Optimize Your SQL Queries

4
Comments
2 min read
PostgreSQL: ⚠ when locking though views (TL;DR: test for race conditions and check execution plan with BUFFERS, VERBOSE)

PostgreSQL: ⚠ when locking though views (TL;DR: test for race conditions and check execution plan with BUFFERS, VERBOSE)

Comments
5 min read
How to make a full stack facial authentication app with FaceIO and Next js

How to make a full stack facial authentication app with FaceIO and Next js

1
Comments
15 min read
Why a SQL Statement Often Consists of Hundreds of Lines, Measured by KBs?

Why a SQL Statement Often Consists of Hundreds of Lines, Measured by KBs?

5
Comments
13 min read
How to query pandas DataFrames with SQL

How to query pandas DataFrames with SQL

1
Comments
5 min read
Optimizing Queries for Performance: MySQL Edition

Optimizing Queries for Performance: MySQL Edition

5
Comments 1
9 min read
7 Tips for Query Optimization in SQL Servers

7 Tips for Query Optimization in SQL Servers

3
Comments
5 min read
SELECT COUNT(*) FROM 🚀WHERE some conditions ;

SELECT COUNT(*) FROM 🚀WHERE some conditions ;

Comments
8 min read
Async Database Operations with SQLModel

Async Database Operations with SQLModel

14
Comments
3 min read
How to integrate cloud data into your analytics stack with Cloud2SQL

How to integrate cloud data into your analytics stack with Cloud2SQL

2
Comments
3 min read
How to predict purchase intent using SQL

How to predict purchase intent using SQL

4
Comments
5 min read
The best SQL function you never heard of

The best SQL function you never heard of

1
Comments
5 min read
Blogs about by Vlad Mihalcea about YugabyteDB

Blogs about by Vlad Mihalcea about YugabyteDB

Comments
1 min read
MySQL in a Nutshell: A Handy Cheatsheet of Frequently Used Queries

MySQL in a Nutshell: A Handy Cheatsheet of Frequently Used Queries

1
Comments
3 min read
YugabyteDB: when provisional records are applied to RegularDB from IntentsDB

YugabyteDB: when provisional records are applied to RegularDB from IntentsDB

Comments
5 min read
Spotify Advanced SQL Interview Question on PARTITION BY Clause

Spotify Advanced SQL Interview Question on PARTITION BY Clause

1
Comments
9 min read
SQL Count using Where Clause or Case Statement

SQL Count using Where Clause or Case Statement

2
Comments
3 min read
MySQL: Searching multiple columns at once without LIKE

MySQL: Searching multiple columns at once without LIKE

9
Comments
2 min read
Functional Database Concept

Functional Database Concept

Comments
8 min read
FETCH FIRST … ROWS WITH TIES

FETCH FIRST … ROWS WITH TIES

1
Comments
1 min read
Analysis of 120 Years of Olympics Data

Analysis of 120 Years of Olympics Data

2
Comments 1
3 min read
Introducing popular SQL Queries & SQL Naming Convention

Introducing popular SQL Queries & SQL Naming Convention

1
Comments
1 min read
Building sql.js-httpvfs for the Browser

Building sql.js-httpvfs for the Browser

Comments
3 min read
Introduction au SQL

Introduction au SQL

Comments
2 min read
Advanced downsampling with the LTTB algorithm

Advanced downsampling with the LTTB algorithm

7
Comments
4 min read
Scaling CrateDB clusters up and down to cope with peaks in demand

Scaling CrateDB clusters up and down to cope with peaks in demand

1
Comments
5 min read
SELECT * FROM S3 | Query data via S3 Select

SELECT * FROM S3 | Query data via S3 Select

8
Comments
3 min read
Ingesting with CrateDB

Ingesting with CrateDB

Comments
7 min read
Working with cursors with SQL commands in CrateDB

Working with cursors with SQL commands in CrateDB

Comments
2 min read
generate_series() in Oracle like in PostgreSQL

generate_series() in Oracle like in PostgreSQL

3
Comments
2 min read
Why you should use Azure Database for PostGreSQL storage

Why you should use Azure Database for PostGreSQL storage

4
Comments
2 min read
Data Analytics at Potloc I: Making data integrity your priority with Elementary & Meltano

Data Analytics at Potloc I: Making data integrity your priority with Elementary & Meltano

3
Comments
7 min read
How Long Does It Take To Create An Index?

How Long Does It Take To Create An Index?

13
Comments
2 min read
JWT Authentication in FastAPI ( Comprehensive Guide )

JWT Authentication in FastAPI ( Comprehensive Guide )

19
Comments 2
16 min read
Database 101: Data Consistency for Beginners

Database 101: Data Consistency for Beginners

461
Comments 44
7 min read
SQL for Data Engineers (oracle SQL)

SQL for Data Engineers (oracle SQL)

2
Comments 2
2 min read
The impasse of SQL performance optimizing

The impasse of SQL performance optimizing

1
Comments
9 min read
When are PostgreSQL prepared statements fully prepared for execution?

When are PostgreSQL prepared statements fully prepared for execution?

4
Comments
5 min read
Understanding the basics and advanced concepts of RDBMS and SQL for data science and analysis

Understanding the basics and advanced concepts of RDBMS and SQL for data science and analysis

6
Comments
11 min read
MySQL: How to create One-to-Many Relationship

MySQL: How to create One-to-Many Relationship

29
Comments
6 min read
Analysing Github Stars - Extracting and analyzing data from Github using Apache NiFi®, Apache Kafka® and Apache Druid®

Analysing Github Stars - Extracting and analyzing data from Github using Apache NiFi®, Apache Kafka® and Apache Druid®

3
Comments
9 min read
Get the count of affected rows with ease: The power of the RETURNING clause in Postgres

Get the count of affected rows with ease: The power of the RETURNING clause in Postgres

6
Comments 1
2 min read
SQL doesn't need the "Single Table Design" but Composite Primary Keys

SQL doesn't need the "Single Table Design" but Composite Primary Keys

13
Comments
13 min read
How to JSON in PostgreSQL®

How to JSON in PostgreSQL®

1
Comments 2
2 min read
The Benefits of Using a Graph Database Instead of SQL

The Benefits of Using a Graph Database Instead of SQL

Comments
10 min read
What is database transaction?

What is database transaction?

Comments
2 min read
Why a SQL Statement Often Consists of Hundreds of Lines, Measured by KBs?

Why a SQL Statement Often Consists of Hundreds of Lines, Measured by KBs?

Comments
13 min read
🚀Batched Nested Loop to reduce read requests to the distributed storage

🚀Batched Nested Loop to reduce read requests to the distributed storage

Comments
8 min read
loading...