Logical And Physical Database Design Sql Server

A logical data model should be used as the blueprint for designing and creating a physical database. Logical file name of sql server data or log file is to refer the file inside sql server scope e g. A data model helps design the database at the conceptual physical and logical levels.

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Overview Of Physical Design

Physical Design In Data Warehouses

Understanding Conceptual Logical And Physical Database Modeling

What Is The Difference Between Logical Data Model And Conceptual

Physical Design In Data Warehouses

Database Fundamentals 5 Of 10 Logical And Physical Data Models

The logical data model doesn t take into consideration the specifics of the relational database management system rdbms in use.

Logical and physical database design sql server. Shad sluiter 5 798 views. Top 65 sql interview questions and. Logical and physical design for a database. A physical model is generally specific to the database engine and version and is often optimized for a specific application usage of the data.

In this article i am using the sql server 2019 on ubuntu. Physical database design it is the process of transforming a logical data model into a physical model of a database. The logical file name must comply with the rules for sql server identifiers and must be unique among logical file names in the database. In a nutshell the logical data model shows how the data about business entities should reside in the database.

It relates to logical storage design of sql server. There are some general rules that apply regardless of the platform. Physical and logical design of the database learn more on the sqlservercentral forums. It provides a clear picture of the base data and can be used by database developers to create a physical database.

Unix and sql server. Data model structure helps to define the relational tables primary and foreign keys and stored procedures. But the physical database cannot be created properly with a simple logical to physical mapping. Therefore we might have a requirement to rename the logical and the physical file names in the sql server instance.

Physical design generating the schema for tables indexes default and check constraints and views for a specific physical structure such as a database file or xml document. In this article we will view the different methods of modifying the logical and physical file name in sql server with both gui and the t sql. To construct a logical data model i don t need to be an oracle informix or sql server guru. Unlike a logical design a physical database design is optimized for data access paths performance requirements and other constraints of the target environment i e.

Logical database design and e r diagrams duration. Many physical design decisions need to be made by the dba before implementing physical database structures.