Case Conditional Expressions in Postgresql | Source Code | Screencasts | Teachmedatabase
Case Conditional Expressions: Postgresql/PSQL Full Course
00:00 Introduction
1:32 teachmedatabase.com
3:42 Database Setups
4:39 Case Basics
8:08 Case with no arguments
10:36 Case with arguments
11:16 Result datatypes constraint
13:19 Nested Cases
20:23 Understanding Source Code
26:40 Source code walkthrough with an example
27:55 Thank You
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This screencast will take deep dive at a very useful conditional expression provided by PostgreSQL/PSQL called Case. There are two ways of invoking a case statement. One constraint is that all return types should be of the same type. Through the video, we explore the different ways, constraints and go through the source code to understand how it works behind the scene.
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📌 Github PostgreSQL Mirror PR: https://github.com/postgres/postgres/...
📌 Doxygen PostgreSQL Documentation: https://doxygen.postgresql.org/primno...
📌 PostgreSQL Documentation on Conditional Expressions: https://www.postgresql.org/docs/curre...
🔰 Datagrip IDE: https://www.jetbrains.com/datagrip/
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