Solution Guide for Migrating Oracle on UNIX to SQL Server - Willy .Net

<strong>Solution</strong> <strong>Guide</strong> <strong>for</strong> <strong>Migrating</strong> <strong>Oracle</strong> on UNIX to SQL Server on Windows 1437Developing: Databases —<strong>Migrating</strong> the Database UsersIntroduction and GoalsChapter 6, "Developing: Database — <strong>Migrating</strong> Schemas," concentrated strictly on themigration of the schema, its owner, and objects. The other class of database users is theone that accesses the data in the tables of these schemas. These users do not own anyobjects, such as tables or views, but may have some synonyms that may point to thetables and views in the application schema. The ef<strong>for</strong>t in migrating these users toMicrosoft® SQL Server is in creating the users and reproducing the privileges theypossess in the <strong>Oracle</strong> database. The privileges may be granted to the user directly orthrough roles. The migration of roles is also discussed in this chapter.The steps in migrating the users are:1. Create the user account.2. Create roles and grant privileges.Create User AccountsA detailed discussion of database accounts, authentication, and password managementwas provided in the "Create the Schema Owner" section of Chapter 6. The creation ofuser accounts does not differ from the creation of schema accounts in any respect. Thedifference is in the privileges that they are granted. Figure 7.1 shows the relationshipbetween database users, roles, and schema objects.