What Is The Difference Between File Geodatabase And Personal Geodatabase?

What is a personal geodatabase?

A personal geodatabase is a Microsoft Access database that can store, query, and manage both spatial and nonspatial data.

Because they are stored in Access databases, personal geodatabases have a maximum size of 2 GB.

Additionally, only one person at a time can edit data in a personal geodatabase..

What are the three types of geodatabases?

There are three types:File geodatabases—Stored as folders in a file system. … Personal geodatabases—All datasets are stored within a Microsoft Access data file, which is limited in size to 2 GB.Enterprise geodatabases—Also known as multiuser geodatabases, they can be unlimited in size and numbers of users.

What is the main purpose of a geodatabase?

The geodatabase is the native data structure for ArcGIS and is the primary data format used for editing and data management. While ArcGIS works with geographic information in numerous geographic information system (GIS) file formats, it is designed to work with and leverage the capabilities of the geodatabase.

What does SDE stand for in GIS?

Spatial Database EngineSpatial Database Engine (SDE) SDE was developed for the geographic information system (GIS) community and the database management system (DBMS) community who wish to extend their databases with spatial technology.

How do you create a geodatabase?

Run the Create File Geodatabase toolOpen the Create File Geodatabase tool in ArcGIS for Desktop. … Specify the folder location where you want the file geodatabase created.Type a name for the geodatabase.Choose which ArcGIS version you want the file geodatabase to be. … Click OK (ArcMap) or Run (ArcGIS Pro).

Can Google Earth read shapefiles?

You can also export features from ArcGIS as KML files for use in Google Earth Pro and Google Maps using the Layer to KML tool to save your shapefiles as a KML file. Once exported you will be able to open these files in Google Earth Pro and Google Maps.

What does a shapefile contain?

An ESRI shapefile consists of a main file, an index file, and a dBASE table. The main file is a direct access, variable-record-length file in which each record describes a shape with a list of its vertices.

What is file geodatabase?

A file geodatabase is a collection of files in a folder on disk that can store, query, and manage both spatial and nonspatial data. You create a file geodatabase in ArcGIS. File geodatabases are made up of seven system tables plus user data. User data can be stored in the following types of datasets: Feature class.

What is the difference between shapefile and geodatabase?

Use a shapefile when you want to read the attribute table or when you have a one or two tools/processes you need to do. Long-term projects should be organized into a File Geodatabase and Feature Datasets. Many files downloaded from the internet are shapefiles.

What are the benefits of a personal geodatabase?

A personal geodatabase is a Microsoft Access database that can store, query, and manage both spatial and nonspatial data. Because they are stored in Access databases, personal geodatabases have a maximum size of 2 GB. Additionally, only one person at a time can edit data in a personal geodatabase.

Can multiple users edit a file geodatabase at the same time?

Versioning allows multiple users in a multiuser geodatabase to edit the same data without applying feature locks or duplicating data. As you edit the ArcSDE geodatabase, you work within your own view or geodatabase state; no one else sees your edits until you save them.

What can a file geodatabase contain?

You can view the files it contains: geographic data, attribute data, index files, lock files, signature files, and other files. Each feature class or table in the geodatabase is stored in two or more files. The data structure of a file geodatabase is optimized for performance and storage.