lab 1

2.  Oracle installation
 Oracle Data Types
 Create Table
 Implements constraints on table

3. 1

5. 1

6. 2

7. 3
Fill data in fields
to complete
registration
process

8. 4

9. 5
Username and
password you filled
during the
Registration process

14. Your oracle
account
password

17. We install the Oracle
SQL Developer to write
SQL statements

19. Click the icon

22. 1
Database Name
Your account password

23. We write SQL Statements
here

24. SQL statements are divided into two major categories:
1. Data definition language (DDL):
Responsible for Data Definition.
DDL statements are used to build and
modify the structure of your tables and
other objects in the database.
CREATE
ALTER
DROP
RENAME
2. Data manipulation language (DML):
Responsible for Data Manipulation.
DML statements are used to work with the
data in tables.
INSERT
UPDATE
DELETE
MERGE

25. Using DDL Statements
to Create and Manage Tables
Table names and column names
•Must begin with a letter .
•Must be 1–30 characters long .
•Must contain only A–Z, a–z, 0–9, _, $, and # .
•Must not duplicate the name of another object .
•Must not be an Oracle server reserved word .

26. CREATE TABLE Statement
CREATE TABLE TableName (Coulmn1Name DataType, Column2Name
Datatype ) ;
Important data types

27. Teacher
TeacherID
TeacherName
Nationality
appointment date
CourseNum

28. Press this button or
press F5 key from
the keyboard to
execute program

29. Refresh Database
Select database LAB1
Refresh Database

30. To implements any changing on table use
ALTER Statements as following

31. To Delete table use DROP Statement
Execute statement

32. Create Students Table Contains the following
Columns ?
StudentID NUMBER(7)
StudentName VARCHAR2(20)
StudentLevel NUMBER(1)
Grade NUMBER(1,2)

33. Implements Constraints on the table
Description
Constraint
Indicates that a column cannot store NULL value
NOT NULL
Ensures that each row for a column must have a unique
value
UNIQUE
A combination of a NOT NULL and UNIQUE
PRIMARY KEY
to match values in another table
FOREIGN KEY
Ensures that the value in a column meets a specific
condition
CHECK
Specifies a default value for this column
DEFAULT

34. Implement NOT NULL Constraint
Implement UNIQUE Constraint
Implement PRIMARY KEY Constraint

35. Implement DEFAULT Constraint