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PLATFORM - Administration > Administrator Guide > Repositories > Introduction to Repositories

Introduction to Repositories

System Repository (SystemDb)

HOPEX Repository

Repository Structure

Accessing Repositories

Creating a Repository

Consulting and Modifying Repository Properties

Accessing the Log of Repository Changes (.EMV file)

An environment includes:

• a system repository

• one or several HOPEX repositories

Repository management is carried out in the HOPEX Administration application (not available in the Web Administration Desktop).

System Repository (SystemDb)

The system repository (SystemDb) contains the configuration required to run HOPEX:

• the metamodel, constituting the structure of repositories

• programmed queries and macros

• the elements to produce outputs: report templates, report templates (MS Word), Web site templates

• users and their rights.

A system repository exists for each environment, automatically created in the Sysdb folder at creation of the environment.

HOPEX Repository

A HOPEX repository constitutes the workspace in which modeling data is stored. Several users can connect to it and work simultaneously on the same project.

A repository depends on an environment. Different policies of data distribution can be implemented. You can, for example, work on two repositories:

• a Development repository, which groups all projects

• a Production repository, which groups stable states of each project.

Any user of an environment can access a single repository or all of the repositories of the environment according to his/her profile assignment definition.

See Assigning a Profile to a Person.

Storage type

The HOPEX repository is stored in the RDBMS format (Relational Database Management System): SQL Server.

For more details on structure of RDBMS storage, see RDBMS Repository Installation deployment guide.

Repository Structure

The files enabling use of a repository are all in the same folder, the location of which is stored in the system repository (SystDb).

SystDb is a particular repository containing the metamodel and technical data (descriptors, Web site templates, queries, etc.). The metamodel and technical data are common to all repositories in the same environment. Definition of users and their rights are stored in this repository, essential for operation of the software.

A repository comprises <RepositoryName>.XXX files of which XXX format depends on the information type:

• .EMV : repository evolution logfile (e.g.: creation, update)

• .EMQ : pointer to data stored in the SQL Server

For each repository, folders are created dynamically while the user is working:

• ReportContent: internal use only, for report cache

• <RepositoryName>.ix: contains the result of indexing for full-text search.

See Enabling/Disabling repository indexing for full-text search.

• USER: contains a folder for each user, in which all work files generated by the user are stored. It groups the files created by backup and extraction procedures, as well as control files.

Each folder is named "CCC", where CCC is the code associated with the user.

• WORK: contains work files created by administration operations carried out using the administration application.

Accessing Repositories

To access a repository:

1. From HOPEX Administration, connect to the environment.

See Connecting to an Environment.

2. Expand the Repositories folder.

The list of the repositories in the environment appears.