SQL/PSM (Persistent Stored Modules) is an extension of SQL that allows for the creation and execution of procedural code within the database. It supports stored procedures, functions, and triggers, enabling more complex operations and business logic to be executed directly on the database server.
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About Sql/psm
SQL/PSM was developed as part of the SQL:1999 standard to address the need for procedural programming capabilities within SQL. It aimed to enhance SQL's functionality by allowing developers to write procedural code, such as stored procedures and triggers, directly in the database, thereby improving performance and maintainability.
Strengths of SQL/PSM include its integration with SQL, allowing complex business logic to be executed on the database server, and its ability to improve performance by reducing client-server communication. Weaknesses include potential vendor-specific implementations and a steeper learning curve for those unfamiliar with procedural SQL. Competitors include PL/pgSQL (PostgreSQL), PL/SQL (Oracle), and T-SQL (Microsoft SQL Server).
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How to hire a Sql/psm expert
A SQL/PSM expert must have strong skills in writing and optimizing SQL queries, proficiency in creating and managing stored procedures, functions, and triggers, and a deep understanding of database design and normalization. They should also be familiar with transaction management, error handling, and performance tuning within the context of procedural SQL.
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