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In MySQL, how can I do a DELETE based on the result from a table where I did an INNER JOIN with the same table?

How to Perform a DELETE in My SQL Using INNER JOIN on the Same Table When working with databases there often comes a time when you need to delete records from a

3 min read 08-10-2024 46
In MySQL, how can I do a DELETE based on the result from a table where I did an INNER JOIN with the same table?
In MySQL, how can I do a DELETE based on the result from a table where I did an INNER JOIN with the same table?

How to do this in Laravel, subquery where in

How to Use Subquery with WHERE IN Clause in Laravel When working with databases in Laravel one common requirement is to filter results based on a subquery This

2 min read 07-10-2024 67
How to do this in Laravel, subquery where in
How to do this in Laravel, subquery where in

Join vs subquery to count nested objects

Join vs Subquery Counting Nested Objects in SQL When working with relational databases you often encounter scenarios where you need to count nested objects with

2 min read 07-10-2024 46
Join vs subquery to count nested objects
Join vs subquery to count nested objects

How to return two values from PostgreSQL subquery?

Returning Multiple Values from Postgre SQL Subqueries A Comprehensive Guide Subqueries in Postgre SQL like in many other SQL databases are powerful tools for ne

2 min read 06-10-2024 58
How to return two values from PostgreSQL subquery?
How to return two values from PostgreSQL subquery?

Create a rowID / identity column in a cross-join subquery

Creating a Row ID Identity Column in a Cross Join Subquery In SQL managing data efficiently often requires the creation of unique identifiers for each row in yo

2 min read 30-09-2024 59
Create a rowID / identity column in a cross-join subquery
Create a rowID / identity column in a cross-join subquery

Create nested queries with SQLAlchemy

Creating Nested Queries with SQL Alchemy SQL Alchemy is a powerful SQL toolkit and Object Relational Mapping ORM system for Python One of its most powerful feat

3 min read 26-09-2024 65
Create nested queries with SQLAlchemy
Create nested queries with SQLAlchemy

get data from column of json arrays in sqlite table

How to Retrieve Data from a Column of JSON Arrays in SQ Lite In todays data driven world the ability to efficiently query and manipulate data is paramount SQ Li

2 min read 24-09-2024 73
get data from column of json arrays in sqlite table
get data from column of json arrays in sqlite table

Select records not in subquery, returns nothing

Understanding SQL Subqueries Selecting Records Not in Subquery When working with SQL queries especially with subqueries it can be confusing to execute a command

2 min read 22-09-2024 65
Select records not in subquery, returns nothing
Select records not in subquery, returns nothing

INSERT INTO SELECT subquery that uses a udf so that it returns 1 value

Using INSERT INTO SELECT with a User Defined Function UDF to Return a Single Value in SQL In SQL the INSERT INTO SELECT statement is a powerful tool for adding

3 min read 21-09-2024 68
INSERT INTO SELECT subquery that uses a udf so that it returns 1 value
INSERT INTO SELECT subquery that uses a udf so that it returns 1 value

Can I use REPLACE in a subquery in Snowflake?

Can I Use REPLACE in a Subquery in Snowflake In the world of SQL the ability to manipulate strings is crucial for data transformation and analysis A common func

2 min read 18-09-2024 56
Can I use REPLACE in a subquery in Snowflake?
Can I use REPLACE in a subquery in Snowflake?

Redshift: Subquery not working, returns error

Troubleshooting Redshift Subquery Errors Amazon Redshift is a powerful data warehousing solution designed to handle massive datasets and complex queries efficie

2 min read 17-09-2024 62
Redshift: Subquery not working, returns error
Redshift: Subquery not working, returns error

need some explanation about MySQL where ... in ... subquery

Understanding My SQLs WHERE IN Subquery When working with databases you may often need to filter your results based on a set of values One of the powerful featu

2 min read 15-09-2024 63
need some explanation about MySQL where ... in ... subquery
need some explanation about MySQL where ... in ... subquery

Query to find the city name with longest and shortest length

Finding the Cities with the Longest and Shortest Names A SQL Query Solution Determining the cities with the longest and shortest names in a database is a common

2 min read 05-09-2024 61
Query to find the city name with longest and shortest length
Query to find the city name with longest and shortest length

SQL query to print occupation with print name with order

Unveiling the Secrets of Occupations A SQL Query Adventure This article dives deep into the fascinating world of SQL queries using the example of a database tab

3 min read 05-09-2024 59
SQL query to print occupation with print name with order
SQL query to print occupation with print name with order

How to get a count of in a SQL subquery

How to Get a Count of Records in a SQL Subquery In SQL counting records based on specific conditions is a common task especially when working with subqueries Th

3 min read 01-09-2024 63
How to get a count of in a SQL subquery
How to get a count of in a SQL subquery

Exclude rows where column matches another column without subquery

Filtering Parent Categories Efficiently A Stack Overflow Case Study This article delves into a common database query challenge filtering out parent categories w

2 min read 29-08-2024 51
Exclude rows where column matches another column without subquery
Exclude rows where column matches another column without subquery

Snowflake unsupported subquery type for UDTF

Snowflake Unsupported Subquery Type Workarounds and Best Practices Snowflakes limitations on subquery types can be frustrating especially when trying to optimiz

3 min read 29-08-2024 99
Snowflake unsupported subquery type for UDTF
Snowflake unsupported subquery type for UDTF

Combine SQL queries for output

Combining SQL Queries for Output This guide explains how to combine SQL queries to produce a single result set that incorporates data from multiple queries This

2 min read 27-08-2024 70
Combine SQL queries for output
Combine SQL queries for output