Add SQL development guidelines and best practices to instructions (#49)

* Add SQL development guidelines and best practices to instructions

* Update instructions/sql-sp-generation.instructions.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Aaron Powell <me@aaron-powell.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

README.md

@@ -55,6 +55,7 @@ Team and project-specific instructions to enhance GitHub Copilot's behavior for
 | [Ruby on Rails](instructions/ruby-on-rails.instructions.md) | Ruby on Rails coding conventions and guidelines | [![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?style=flat-square&logo=visualstudiocode&logoColor=white)](https://vscode.dev/redirect?url=vscode%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fruby-on-rails.instructions.md) [![Install in VS Code](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?style=flat-square&logo=visualstudiocode&logoColor=white)](https://insiders.vscode.dev/redirect?url=vscode-insiders%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fruby-on-rails.instructions.md) |
 | [Secure Coding and OWASP Guidelines](instructions/security-and-owasp.instructions.md) | Comprehensive secure coding instructions for all languages and frameworks, based on OWASP Top 10 and industry best practices. | [![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?style=flat-square&logo=visualstudiocode&logoColor=white)](https://vscode.dev/redirect?url=vscode%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fsecurity-and-owasp.instructions.md) [![Install in VS Code](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?style=flat-square&logo=visualstudiocode&logoColor=white)](https://insiders.vscode.dev/redirect?url=vscode-insiders%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fsecurity-and-owasp.instructions.md) |
 | [Spring Boot Development](instructions/springboot.instructions.md) | Guidelines for building Spring Boot base applications | [![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?style=flat-square&logo=visualstudiocode&logoColor=white)](https://vscode.dev/redirect?url=vscode%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fspringboot.instructions.md) [![Install in VS Code](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?style=flat-square&logo=visualstudiocode&logoColor=white)](https://insiders.vscode.dev/redirect?url=vscode-insiders%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fspringboot.instructions.md) |
+| [SQL Development](instructions/sql-sp-generation.instructions.md) | Guidelines for generating SQL statements and stored procedures | [![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?style=flat-square&logo=visualstudiocode&logoColor=white)](https://vscode.dev/redirect?url=vscode%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fsql-sp-generation.instructions.md) [![Install in VS Code](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?style=flat-square&logo=visualstudiocode&logoColor=white)](https://insiders.vscode.dev/redirect?url=vscode-insiders%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fsql-sp-generation.instructions.md) |
 | [Taming Copilot](instructions/taming-copilot.instructions.md) | Prevent Copilot from wreaking havoc across your codebase, keeping it under control. | [![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?style=flat-square&logo=visualstudiocode&logoColor=white)](https://vscode.dev/redirect?url=vscode%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Ftaming-copilot.instructions.md) [![Install in VS Code](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?style=flat-square&logo=visualstudiocode&logoColor=white)](https://insiders.vscode.dev/redirect?url=vscode-insiders%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Ftaming-copilot.instructions.md) |
 | [TanStack Start with Shadcn/ui Development Guide](instructions/tanstack-start-shadcn-tailwind.md) | Guidelines for building TanStack Start applications | [![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?style=flat-square&logo=visualstudiocode&logoColor=white)](https://vscode.dev/redirect?url=vscode%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Ftanstack-start-shadcn-tailwind.md) [![Install in VS Code](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?style=flat-square&logo=visualstudiocode&logoColor=white)](https://insiders.vscode.dev/redirect?url=vscode-insiders%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Ftanstack-start-shadcn-tailwind.md) |
 

instructions/sql-sp-generation.instructions.md

@@ -0,0 +1,74 @@
+---
+description: 'Guidelines for generating SQL statements and stored procedures'
+applyTo: '**/*.sql'
+---
+
+# SQL Development
+
+## Database schema generation
+- all table names should be in singular form
+- all column names should be in singular form
+- all tables should have a primary key column named `id`
+- all tables should have a column named `created_at` to store the creation timestamp
+- all tables should have a column named `updated_at` to store the last update timestamp
+
+## Database schema design
+- all tables should have a primary key constraint
+- all foreign key constraints should have a name
+- all foreign key constraints should be defined inline
+- all foreign key constraints should have `ON DELETE CASCADE` option
+- all foreign key constraints should have `ON UPDATE CASCADE` option
+- all foreign key constraints should reference the primary key of the parent table
+
+## SQL Coding Style
+- use uppercase for SQL keywords (SELECT, FROM, WHERE)
+- use consistent indentation for nested queries and conditions
+- include comments to explain complex logic
+- break long queries into multiple lines for readability
+- organize clauses consistently (SELECT, FROM, JOIN, WHERE, GROUP BY, HAVING, ORDER BY)
+
+## SQL Query Structure
+- use explicit column names in SELECT statements instead of SELECT *
+- qualify column names with table name or alias when using multiple tables
+- limit the use of subqueries when joins can be used instead
+- include LIMIT/TOP clauses to restrict result sets
+- use appropriate indexing for frequently queried columns
+- avoid using functions on indexed columns in WHERE clauses
+
+## Stored Procedure Naming Conventions
+- prefix stored procedure names with 'sp_'
+- use PascalCase for stored procedure names
+- use descriptive names that indicate purpose (e.g., sp_GetCustomerOrders)
+- include plural noun when returning multiple records (e.g., sp_GetProducts)
+- include singular noun when returning single record (e.g., sp_GetProduct)
+
+## Parameter Handling
+- prefix parameters with '@'
+- use camelCase for parameter names
+- provide default values for optional parameters
+- validate parameter values before use
+- document parameters with comments
+- arrange parameters consistently (required first, optional later)
+
+
+## Stored Procedure Structure
+- include header comment block with description, parameters, and return values
+- return standardized error codes/messages
+- return result sets with consistent column order
+- use OUTPUT parameters for returning status information
+- prefix temporary tables with 'tmp_'
+
+
+## SQL Security Best Practices
+- parameterize all queries to prevent SQL injection
+- use prepared statements when executing dynamic SQL
+- avoid embedding credentials in SQL scripts
+- implement proper error handling without exposing system details
+- avoid using dynamic SQL within stored procedures
+
+## Transaction Management
+- explicitly begin and commit transactions
+- use appropriate isolation levels based on requirements
+- avoid long-running transactions that lock tables
+- use batch processing for large data operations
+- include SET NOCOUNT ON for stored procedures that modify data