Видео с ютуба Subquery Refactoring Tutorial

Join on an Aggregated Sub-Query — Keeping Row-Types Safe with ExoQuery (vs. Exposed)

Join on an Aggregated Sub-Query — Keeping Row-Types Safe with ExoQuery (vs. Exposed)
Efficiently Retrieve Customer Notifications Without Using Subqueries

Efficiently Retrieve Customer Notifications Without Using Subqueries
Subqueries vs Joins when selecting across a many-to-many relationship in Postgres

Subqueries vs Joins when selecting across a many-to-many relationship in Postgres
WITH Clause in Oracle SQL | SubQuery Factoring | Common Table Expressions | SQL Tutorial in Telugu

WITH Clause in Oracle SQL | SubQuery Factoring | Common Table Expressions | SQL Tutorial in Telugu
SQL : Execute Subquery refactoring first before any other SQL

SQL : Execute Subquery refactoring first before any other SQL
Refactoring subquery to JOIN and CROSS APPLY, get only one row for each record in parent table

Refactoring subquery to JOIN and CROSS APPLY, get only one row for each record in parent table
Databases: How to refactor this subquery to be written only once?

Databases: How to refactor this subquery to be written only once?
Oracle Recursive Subquery Factoring

Oracle Recursive Subquery Factoring
Recursive Subquery Factoring : Hierarchical Queries Using Recursive WITH Clauses

Recursive Subquery Factoring : Hierarchical Queries Using Recursive WITH Clauses