Once users have got access to the Organization and the Objects, it is important to set a baseline level of visibility for each object across the entire organization. The Organization-wide Default or OWD in Salesforce decides what access and permissions users have to the records they do not own. Here is the complete detail you would need to know about OWD: https://sfdcwisdom.com/owd-in-salesforce/
Hi,
For knowing about all your requested scenarios, please go through the followin links.
OBJECT PERMISSIONS:
https://help.salesforce.com/HTViewHelpDoc?id=users_profiles_object_perms.htm&language=en_US
OWD:
http://salesforce.stackexchange.com/questions/14031/what-is-the-use-of-owd-settings
FIELD LEVEL SECURITY:
https://help.salesforce.com/HTViewHelpDoc?id=admin_fls.htm&language=en_US
SHARING RULES:
http://help.salesforce.com/HTViewHelpDoc?id=security_about_sharing_rules.htm&language=en_US
PERMISSION SETS:
https://help.salesforce.com/HTViewHelpDoc?id=perm_sets_overview.htm&language=en_US
ROLE HEIRARCHY:
http://help.salesforce.com/HTViewHelpDoc?id=admin_roles.htm&language=en_US
For knowing more about Salesforce , please got hrough the following links also:
https://help.salesforce.com/HTViewHelpDoc?id=getstart_help.htm&language=en_US
https://help.salesforce.com/HTViewHelpDoc?id=quicktour_tips.htm&language=en_US
Thanks,
Subhani,
Salesforce Certified Developer,
www.mydbsync.com
Hello,
Please refer links provided in following thread:
http://boards.developerforce.com/t5/General-Development/About-security-controls-in-salesforce/td-p/7...
Here is the complete detail you would need to know about OWD:
https://sfdcwisdom.com/owd-in-salesforce/