Create or edit views in Database Model diagrams
Jun 20, · Use this Microsoft Visio sample diagram to document your existing or proposed IT hardware configuration and topology. This sample shows how you can use Visio to track the deployment, configuration, and usage status of different IT assets, such as file servers, web servers, and database servers. Click the File tab, click New, click Templates, click Software and Database, and then double-click Database Model Diagram. On the Database tab, in the Manage group, click Database Drivers. On the Drivers tab select the Visio-supplied driver for your DBMS. For example, if you are designing an Access database you would choose Microsoft Access. Aug 16, · Hi, Currently, I have a database in SQL Server , and I did reverse engineer in Visio , but now I need to update database with Visio I want to change a column name in table of visio, and when I execute a refresh the column name update in Database. Do I get to do this? How? When I · Hi Thank you for using Microsoft Office for IT.
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If you reverse engineered the model from an existing database, you may need to drag one or both from the Tables and Views window onto the drawing page. In the grid, click the column that you want to use to uniquely identify each row in the table, and select the PK check box to set it as the primary key. From the Object Relational or Entity Relationship stencil, drag a Relationship shape and drop it onto a blank space on the page.
If the second table doesn’t already contain a column with the same name as the primary key, the modeler adds it to the second table as a foreign key. Note: If relationship lines disappear, on the Database tab, in the Manage group, click Display Options. On the Relationships tab, under Show , select the Relationships check box.
In the Database Properties window, under Categories , click Miscellaneous. Under Cardinality , choose the cardinality that best fits the relationship.
For one-to-many relationships, the best choice is either Zero or more or One or more. For one-to-one relationships, the best choice is either Zero or one or Exactly one. To make other refinements to your diagram such as creating indexes, check clauses, and triggers , select a heading below to open instructions about adding doing any of the following:. Double-click the table to which you want to add an index, and in the Database Properties window, in the Categories list, click Indexes.
In the Create Index dialog box, type a name for the index, and then click OK. In the Index Type list, select an option to create a unique or non-unique index. In the Indexed Columns list, select the Asc check box to create an index that has an ascending sort order, or clear the check box to create an index that has a descending sort order. You can think of a view as a saved query. Views are particularly handy if you need to repeatedly access the same information from multiple tables, or if you want to expose the data to users without letting them change the actual tables.
Depending on your database management system DBMS , you may be able to set extended properties for tables or views to determine where they are stored.
Double-click the table or view whose extended properties you want to set, and in the Database Properties window, in the Categories list, click Extended. Use check clauses to ensure that the data that is entered into a column is within a particular range of values. For example, you can create a check clause that requires the data in a column called “Age” to be over Under Categories , click Columns and then click the column that you want to add a check clause to.
On the Check tab of the Column Properties dialog box, enter the constraints that you want. For more information about your choices, see Column and Field Properties dialog box Check tab. Use stored procedures and user-defined functions to create packets of code that you can reuse to perform the same actions repeatedly. The major difference between the two is that a user-defined function returns a value, whereas the stored procedure executes code without returning a value.
On the Properties tab of the Code Editor , click the kind of code that you want to create, and type a name for the code. Triggers cause SQL code that you specify in the trigger to run when a particular event occurs in the database. Under Categories , click Triggers , and then click Add. Visio Professional and Premium editions support the reverse engineering features for the Database Model Diagram template that is, using an existing database to create a model in Visio but they don’t support forward engineering that is, using a Visio database model to generate SQL code.
The full suite of database modeling features, including both reverse engineering and forward engineering, is in Visio for Enterprise Architects. The name of the edition is in the top line of text in the dialog box. If you are using Visio Plan 2 and want to learn about how to engineer an existing database into a database model, see Reverse engineer an existing database. Define a relationship in a Database Model diagram. Create or edit views in Database Model diagrams.
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Note: The Database Model diagram is only available in certain versions of Visio. See Can’t find the database modeling features? Double-click the view, and then in the Database Properties window, in the Categories list, click Columns. Click the Physical Name field of a blank line and type the name of the column. Repeat for each column you want to add to the view.
Click Add. The default name for the new column follows the naming conventions you specified in the Modeling Preferences dialog box. To change the name of the column, click the default column name and type a new name. Click the name of the column whose properties you want to define, and then click Edit.
In the View Column Properties dialog box, on the Source tab, click Known column in another table or view , and then click Change.
– Microsoft visio 2010 database model diagram free
Thank you for your feedback! Double-click the view, and vosio in the Database Properties window, in the Categories list, click Columns. There are two stencils that come with the Database Model Diagram template.