Search Results user

The LBACSYS.OLS$USER table is a critical component within Oracle Label Security (OLS), a feature integrated with Oracle Enterprise Business Suite (EBS) 12.1.1 and 12.2.2 to enforce row-level security based on data sensitivity labels. This table stores metadata about users registered in the OLS framework, including their label authorizations and privileges. Below is a detailed technical breakdown of its structure, purpose, and relevance in Oracle EBS environments.

Overview of LBACSYS.OLS$USER

The LBACSYS.OLS$USER table resides in the LBACSYS schema, which is created during the installation of Oracle Label Security. It acts as a repository for user-specific security attributes, ensuring that data access is restricted based on predefined label policies. In Oracle EBS, this table supports compliance with regulatory requirements (e.g., GDPR, HIPAA) by enabling fine-grained access control over sensitive data.

Key Columns and Their Significance

The table's structure includes the following critical columns:

USER_ID: A unique identifier for each user, often mapped to DBA_USERS.USER_ID.
USER_NAME: The Oracle username, corresponding to DBA_USERS.USERNAME.
USER_LABEL: Stores the default session label assigned to the user, defining their data access level.
MAX_READ_LABEL: The highest sensitivity level a user can read.
MAX_WRITE_LABEL: The highest sensitivity level a user can modify.
MIN_WRITE_LABEL: The lowest sensitivity level a user can modify.
PRIVILEGES: Bitmask representing OLS-specific privileges (e.g., READ_CONTROL, WRITE_CONTROL).

Integration with Oracle EBS

In Oracle EBS 12.1.1 and 12.2.2, OLS policies are often applied to modules handling confidential data, such as HR (e.g., employee salaries) or Financials (e.g., audit trails). The OLS$USER table ensures that:

Users only access rows where their session label matches the row's label.
Privileges align with organizational roles (e.g., HR managers may have higher MAX_READ_LABEL than clerks).
Labels adhere to hierarchical, compartmental, or hybrid security models.

Administrative Workflow

To configure OLS in EBS:

Define labels using SA_COMPONENTS and SA_LABELS.
Assign users to labels via SA_USER_ADMIN.SET_USER_LABELS, which updates OLS$USER.
Apply policies to EBS tables using SA_POLICY_ADMIN.APPLY_TABLE_POLICY.

Example Use Case

An EBS HR module may label employee records as CONFIDENTIAL:HR or PUBLIC. A user with MAX_READ_LABEL=CONFIDENTIAL:HR in OLS$USER will only see HR records, while others see PUBLIC data.

Performance and Maintenance

Queries involving OLS$USER are optimized via indexes on USER_ID and USER_NAME. Regular audits of this table are recommended to ensure label consistency with EBS role-based access controls (RBAC).

Conclusion

The LBACSYS.OLS$USER table is foundational to OLS implementation in Oracle EBS, enabling precise data governance. Its metadata drives label enforcement, ensuring compliance while minimizing administrative overhead. Proper configuration of this table is essential for securing sensitive EBS data without disrupting business workflows.

TABLE: LBACSYS.OLS$USER 12.1.1
owner:LBACSYS, object_type:TABLE, object_name:OLS$USER, status:VALID,
TABLE: LBACSYS.OLS$USER 12.2.2
owner:LBACSYS, object_type:TABLE, object_name:OLS$USER, status:VALID,
SYS.DBMS_RULE_EXP_RS_INTERNAL dependencies on USER$ 12.1.1
SYS.DBMS_REPCAT_FLA_UTL dependencies on USER$ 12.1.1
SYS.PRVT_ILM dependencies on USER$ 12.1.1
SYS.DBMS_FEATURE_PARTITION_SYSTEM dependencies on USER$ 12.1.1
SYS.DBMS_REPCAT_DECL dependencies on USER$ 12.1.1
SYS.DBMS_AQ_SYS_EXP_ACTIONS dependencies on USER$ 12.1.1
SYS.DBMS_PRIV_CAPTURE dependencies on USER$ 12.1.1
CTXSYS.DRIPREF dependencies on USER$ 12.1.1
SYSTEM.AD_APPS_PRIVATE dependencies on USER$ 12.1.1
SYS.DBMS_STATS dependencies on USER$ 12.1.1
SYS.DBMS_PREUP dependencies on USER$ 12.1.1
SYS.DBMS_REGISTRY dependencies on USER$ 12.1.1
SYS.DBMS_REPCAT_FLA dependencies on USER$ 12.1.1
SYS.DBMS_LOGMNR_LOGREP_DICT dependencies on USER$ 12.1.1
SYS.DBMS_ODCI dependencies on USER$ 12.1.1
SYS.DBMS_SNAPSHOT dependencies on USER$ 12.1.1
SYS.DBMS_PSWMG_IMPORT dependencies on USER$ 12.1.1
SYS.DBMS_TYPE_UTILITY dependencies on USER$ 12.1.1
SYS.DBMS_SPACE dependencies on USER$ 12.1.1
SYS.DBMS_AQ_SYS_EXP_INTERNAL dependencies on USER$ 12.1.1
CTXSYS.DRIFEAT dependencies on USER$ 12.1.1
SYS.DBMS_RULE_EXP_EC_INTERNAL dependencies on USER$ 12.1.1
SYS.RMJVM dependencies on USER$ 12.1.1
SYS.LOGMNR_DDL_TRIGGER_PROC dependencies on USER$ 12.1.1
SYS.DBMS_RULE_EXP_UTL dependencies on USER$ 12.1.1
SYS.DBMS_OBJECTS_APPS_UTILS dependencies on USER$ 12.1.1
SYS.DBMSOBJG_DP dependencies on USER$ 12.2.2
CTXSYS.DRIACC dependencies on USER$ 12.2.2
SYS.AD_ZD_SYS dependencies on USER$ 12.2.2
SYS.DBMS_SERVER_ALERT_PRVT dependencies on USER$ 12.2.2
SYS.DBMS_RULE_EXP_RL_INTERNAL dependencies on USER$ 12.2.2
SYS.DBMS_FEATURE_SFDEDUP_SYS dependencies on USER$ 12.2.2
SYS.DBMS_STATS dependencies on USER$ 12.2.2
SYS.DBMS_FEATURE_SECUREFILES_SYS dependencies on USER$ 12.2.2
CTXSYS.DRIXMD dependencies on USER$ 12.2.2
SYS.DBMS_FEATURE_DATABASE_VAULT dependencies on USER$ 12.2.2
APPS.AD_ZD_MVIEW dependencies on USER$ 12.2.2
SYS.DBMS_REPCAT_UTL2 dependencies on USER$ 12.2.2
SYS.DBMS_LOGMNR_FFVTOLOGMNRT dependencies on USER$ 12.2.2
SYS.XS_DATA_SECURITY_UTIL dependencies on USER$ 12.2.2
SYS.PRVT_ILM dependencies on USER$ 12.2.2
SYS.DBMS_TYPE_UTILITY dependencies on USER$ 12.2.2
SYS.XDB_MIGRATESCHEMA dependencies on USER$ 12.2.2
SYS.DBMS_FEATURE_SECUREFILES_USR dependencies on USER$ 12.2.2
SYS.DBMS_CLUSTDB dependencies on USER$ 12.2.2
SYS.DBMSOBJG2 dependencies on USER$ 12.2.2
SYS.DBMS_REPCAT_UTL4 dependencies on USER$ 12.2.2
SYS.AW_TRUNC_PROC dependencies on USER$ 12.1.1