Day 15: Window Functions
AHK
09:00
Day 15: Window Functions 1. What are Window Functions? Window functions perform calculations across a set of rows related to the curren...
Saturday, February 15
Friday, February 14
Day 14: Common Table Expressions (CTEs) and Recursive Queries
AHK
09:00
Day 14: Common Table Expressions (CTEs) and Recursive Queries 1. Common Table Expressions (CTEs) A Common Table Expressi...
Thursday, February 13
Day 13: Views, Stored Procedures, and Triggers
AHK
09:00
Day 13: Views, Stored Procedures, and Triggers 1. Views A view is a virtual table based on a SQL query. It simplifies complex qu...
Wednesday, February 12
Day 12: Transactions and Error Handling
AHK
09:00
Day 12: Transactions and Error Handling 1. What are Transactions? A transaction is a sequence of SQL operations performed as a single logi...
Tuesday, February 11
Day 11: Indexes and Performance Optimization
AHK
09:00
1. What are Indexes? Indexes improve query performance by allowing the database to find rows more quickly. They act as a data ...
