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Microsoft visio 2010 er diagram free.Create a Database Model (also known as Entity Relationship diagram) in Visio 

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You would have the opportunity to download individual files on the "Thank you for downloading" page after completing your download. Files larger than 1 GB may take much longer to download and might not download correctly.

You might not be able to pause the active downloads or resume downloads that have failed. Create a simple network diagram for your organization with this Visio template. Details Note: There are multiple files available for this download. Once you click on the "Download" button, you will be prompted to select the files you need.

File Name:. Date Published:. File Size:. System Requirements Supported Operating System. Install Instructions Click Download to save the template to your computer. Follow the instructions on the screen to complete the installation.

Instructions for use: From Windows Explorer, double-click a Visio drawing. An Internet Explorer window opens and loads Visio Viewer, which then loads and renders the drawing in the browser window. On the Internet Explorer File menu, click Open. In the Open dialog box, select a Visio drawing. Internet Explorer loads Visio Viewer, which then renders the drawing in the browser window.

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Was this information helpful? Yes No. Thank you! Any more feedback? The more you tell us the more we can help. On the Database tab of the ribbon, in the Model group, select Import , and then select the file type you want to import from. Type the path and file name for the model that you want to import, or click the Browse button to locate the model file, and then click Open.

On the Database menu, point to Options , and then select Document. On the Database menu, click Reverse Engineer to open the wizard. After you create a database model diagram, the work of refining the diagram begins. You can add and customize the three main components of a model:. Relationships the associations between tables. Relationships can be one-to-one, one-to-many, or many-to-many. Select a heading below to open instructions about adding the feature to your model. There are two stencils that come with the Database Model Diagram template.

As you begin to refine the structure of your diagram, work from the stencil that's right for you:. Use the Entity Relationship stencil to model databases that are based on the SQL92 and earlier standards.

Use the Object Relational stencil , which has additional shapes for working with types, to model databases that are based on SQL99 and later standards.

Use the Entity shape to create a table in your diagram:. From either the Entity Relationship or Object Relational stencil, drag an Entity shape onto the drawing. Under Categories , click Definition and type a name for the table.

Under Categories , click Columns , type a name, and choose a data type. Select the PK primary key check box for columns that uniquely identify each row in the database table. Use the Database Properties window to add or change properties for columns, including data types and primary keys:.

In the Database Properties window, under Categories , click Columns. To change the data type for a column, click the column's Data Type field, and then select a data type from the list or type it into the list. For example, you can type decimal 8,2 or char To see more column properties in addition to those that appear when you click the Columns category, select the column and then click Edit. Relationships use primary and foreign keys to allow databases to match a row in one table with a row in a related table.

You can show those relationships in your diagram. In addition, you can set their cardinality for example, one-to-many and use either Crow's feet, Relational, or IDEF1X notation to show the cardinality. You can't show many-to-many relationships with any of these notations in the Database Model Diagram template.

Make sure that both tables are visible in the diagram. 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.