ThatJeffSmith

Tag: data modeling

‘Modeling’ View Dependencies in SQL Developer Data Modeler

Today’s question: Please let me know how can I represent relation between view and base table in ER diagram created using sql datamodeler version4. So I know what the person is getting at here. They want to see the dependencies. Generally speaking, there are no actual relations between views and tables. Exception: you CAN define […]

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Adding Columns to a Table in SQL Developer Data Modeler: Honor Column Order?

I have an employees table. Because it’s 1984, HR has decided we need to know Twitter handles, Facebook pages, and who knows what else. So let’s add it to our table. The dialog by default puts new columns at the bottom of the table. We’ll see why in just a moment. On a side note, […]

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Modeling Function Based Indexes in Oracle

@thatjeffsmith Is there a way to define a function-based index in #SQLDevModeler? — Kent Graziano (@KentGraziano) October 29, 2014 Function based indexes [DOCS] have been part of Oracle Database since at least version 8. Instead of just indexing someone’s name, you could also index the values returned by a function call over that name. Example […]

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Importing Your Data Dictionary to a new Oracle SQL Developer Data Modeler Design

I’ve shown how to drag and drop database tables from Oracle SQL Developer into a design. But I’ve never done a start-to-finish, blow-by-blow post on how to import your existing database objects into a data model with SQL Developer. So let’s do that now. Warning: Lots of pictures coming up. Want to import from SQL […]

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Data Modeling via Excel?

In SQL Developer if you use the Import Data feature from the main tree node, it will create a new table based on a delimited text or Excel file. We’ll look at the data and create some columns for you. In version 4.1, we’ll recognize numbers as numbers, dates as dates, and try to get […]

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30 SQL Developer Posts in 30 Days, Day 25: Importing Partitioned Tables to a Data Model

We get lots of questions around how to model specific partitioning schemes in Oracle SQL Developer Data Modeler, and we do support all of the different ways to part and subpart your data – but today I want to show you: Where to see the partitions in the model How to bring in everything BUT […]

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My Favorite SQL Developer Data Modeler Features

I’m doing a talk on this very subject next week at ODTUG’s KScope14 conference, and I’ll put up the slides on Slideshare after the show, but I wanted to give a quick shout-out to the things you COULD Be using today to get the most out of your models and design experience. Search SubViews Reports […]

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How to Preserve System Generated Constraint Names in Oracle SQL Developer Data Modeler

The risk of posting a question here, is that I might take it and turn it into a blog post. And that’s where today’s topic comes from. I imported data dictionary into SQL data modeler and cannot found out how to disable predefined constraint names. Table “T” was created in database without specifying primary key […]

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Oracle SQL Developer: Configuring Object DDL Scripts

One of the more popular features in SQL Developer is the ability to generate the CREATE DDL script for any object. If you open an object editor, the SQL page shows this script. Now, what many of you don’t realize is that the way this code can be generated is configurable. The requests I am […]

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