How to unlock OE schema to follow Oracle Forms & Reports whitepaper For working with tutorial of Build Internet Application with Oracle Forms 9i & Reports 9i. You need to work on the tables which is locked in oracle. For Unlocking these tables you have to follow these steps.

Using the Database Configuration Assistant When you install Oracle Database with the Oracle Universal Installer, the sample schemas are installed by default if you select the Basic Installation option. Selecting the sample schemas option installs all sample schemas ( HR, OE, PM, SH, IX) in the database. If you choose not to install the sample schemas at that time, you can add them later by following the instructions in section. At the end of the installation process, a dialog box displays the accounts that have been created and their lock status. By default, all sample schemas are locked and their passwords are expired. Before you can use a locked account, you must unlock it and reset its password.

You can unlock the accounts at this point in the installation process. Alternatively, after the installation completes, you can unlock the schemas and reset their passwords by using the ALTER USER.

ACCOUNT UNLOCK statement. For example: ALTER USER hr ACCOUNT UNLOCK IDENTIFIED BY Password. Schema Dependencies Various dependencies have been established among the schemas. So, when you create the schemas manually, you must create them in the following order: HR, OE, PM, IX, and SH.

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Use this sequence to create the schemas: • Create schema HR. • Create schema OE. Schema HR is already present, and you must know the password for schema HR to grant HR object privileges to OE. Some HR tables are visible to user OE with the use of private synonyms. In addition, some OE tables have foreign key relationships to HR tables. • Create schema PM: Foreign key relationships require that schema OE already exist when schema PM is created. You must know the password for OE, to grant to PM the right to establish and use these foreign keys.

Note: Schema PM requires that the database be enabled for the Java Virtual Machine (JVM) and interMedia. You can accomplish this during installation or later using the DBCA. • Create schema IX: The information exchange schema, IX, is based on order entry data in schema OE. Again, foreign key relationships require that schema OE already be present when schema IX is created. You must know the password for OE to grant to IX, the right to establish and use the foreign keys.

• Create schema SH. Schema SH logically depends on schema OE, but you can create schema SH without creating the other four schemas. Guidelines for Installing Sample Schemas All scripts necessary to install sample schemas reside in $ORACLE_HOME /demo/schema directory. Before you install sample schemas by running these scripts, follow these guidelines: • You must connect as a system administrator using the SYSDBA privilege. • When prompted to enter a password for the schema, enter a secure password that meets the requirements described in. • When prompted for tablespace names while running scripts: • Enter an appropriate tablespace name, for example, users as the default tablespace for a schema • Enter temp as the temporary tablespace for a schema • When prompted for the log directory name, enter $ORACLE_HOME /demo/schema/log/ or any other existing directory name. Installing the HR Schema All scripts necessary to create the Human Resource ( HR) schema reside in $ORACLE_HOME /demo/schema/human_resources.

You need to call only one script, hr_main.sql, to create all the objects and load the data. The following steps provide a summary of the installation process: • Log on to SQL*Plus as SYS and connect using the AS SYSDBA privilege. Sqlplus connect sys as sysdba Enter password: password • To run the hr_main.sql script, use the following command: SQL> @?/demo/schema/human_resources/hr_main.sql • Enter a secure password for HR specify password for HR as parameter 1: Enter value for 1. See Also: before you run oe_main.sql You need to call only one script, oe_main.sql, to create all the objects and load the data. Running oe_main.sql accomplishes the following tasks: • Removes any previously installed OE schema • Creates schema (user) OE and grants it the necessary privileges • Connects as OE • Calls the scripts that create and populate the schema objects After the oe_main.sql script runs successfully and schema OE is installed, you are connected as user OE. To verify that the schema was created, use the following command: SQL> SELECT table_name FROM user_tables; For a complete listing of the scripts and their functions, refer to. You can use scripts oe_drop.sql and oc_drop.sql to drop schema OE and subschema OC, respectively.