Toad Choose Schemas – Delete Target Schema We will compare the HRDEV schema of the development environment (Source) and the HRPROD schema of the production environment (Target) to show the changes in each of the schemas, using a different connection.įigure 3. In this example, we are going to compare two database schemas as shown in Figure 2. Then we select the connection from the source schema and finally we select the target schema, either with the same connection or using a different connection. We need to select the Source, either by selecting from a Database or from a Snapshot. Step 2: In the first tab, click Choose Schemasįigure 2.
Upon accessing the tool, we can see that it is a simple three-step process that allows us to successfully compare even the most complex database schemas. Step 1: The Compare Schemas tool is found in the main menu Database > Compare > Schemas.
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Step by step: how to compare two database schemas This feature is available only in the Xpert or DBA editions. Later on in this example, I also show you the option to synchronize script. Luckily, the Compare Schemas tool is available in the Base Edition, which means its available in every edition. Toad for Oracle offers many different editions, the higher the edition, the more features and capabilities. To solve this situation, we have a perfect solution available from Toad for Oracle, which is the Compare Schemas tool. Of course, today, when working on large projects, complexity has greatly increased as there can be so many different and interrelated object types that it is no longer possible to simply use simple, self-made scripts. Several years ago, when I started in Oracle technologies, my first contact was in Database Administration and in those days I remember that as I was getting started in that new world, I typically would just manage few objects from the Oracle database-such as tables, indexes, synonyms, views-and could generate simple scripts to be able to determine the differences in both environments without much difficulty. Make sure to read my second blog in this series, How to compare multiple database schemas in Oracle using Toad. I will guide you step by step on how we can compare two Oracle database schemas using Toad® by Quest® for Oracle. If you find yourself in any of the above situations, this article is for you. Needing (as a DBA to be able to guarantee that the production environment has not changed and/or want to know how the development environment differs from the production environment.
Wanting (as a developer) to build a lab for research and study.Wanting to duplicate an environment to work with some specific requirement.In the need to replicate our development environment for testing and implementation without impacting the main development environment.Suppose we are developing a web application using the Oracle database as our data storage and we find ourselves: Are you a developer? Learn to compare two Oracle database schemas using Quest® Toad® for Oracle.
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