|Oracle® Database Express Edition 2 Day Developer's Guide
11g Release 2 (11.2)
Part Number E18147-07
|PDF · Mobi · ePub|
This chapter contains the following topics:
Note:To do the tutorials in this document, you must be connected to Oracle Database Express Edition (Oracle Database XE) as the user
HRfrom SQL Developer.
In the navigation frame, click the tab Connections.
The Connections pane shows the
hr_conn icon. To the left of the icon is a plus sign (+).
Click the plus sign.
If you are not connected to the database, the Connection Information window opens. If you are connected to the database, the
hr_conn information expands (see the information that follows "Click OK" in step 3).
In the User Name field, enter
In the Password field, enter the password for the user
hr_conn information expands: The plus sign becomes a minus sign, and under the
hr_conn icon, a list of schema object types appears—Tables, Views, Indexes, and so on. (If you click the minus sign, the hr_conn information collapses: The minus sign becomes a plus sign, and the list disappears.)
If you are not browsing the
HR schema, follow the instructions in "Tutorial: Viewing HR Schema Objects" and then return to this topic.
In the Connections pane, expand Tables.
Under Tables, a list of the tables in the
HR schema appears.
Select the table EMPLOYEES.
In the right frame of the Oracle SQL Developer window, in the Columns pane, a list of all columns of this table appears. To the right of each column are its properties—name, data type, and so on. (To see all column properties, move the horizontal scroll bar to the right.)
The Data pane appears, showing a numbered list of all records in this table. (To see more records, move the vertical scroll bar down. To see more columns of the records, move the horizontal scroll bar to the right.)
The Constraints pane appears, showing a list of all constraints on this table. To the right of each constraint are its properties—name, type, search condition, and so on. (To see all constraint properties, move the horizontal scroll bar to the right.)
Explore the other properties by clicking on the appropriate tabs.