1 oracle 8. 2 new features 3 oracle 8 new features abstract data types new features abstract data...

1

Oracle 8Oracle 8

2

Oracle 8Oracle 8

• New features• New features

3

Oracle 8Oracle 8

• New features

Abstract data types

• New features

Abstract data types

4

Oracle 8Oracle 8

• New features

Abstract data types

Nested tables

• New features

Abstract data types

Nested tables

5

Oracle 8Oracle 8

• New features

Abstract data types

Nested tables

Varying arrays

• New features

Abstract data types

Nested tables

Varying arrays

6

Oracle 8Oracle 8

• New features

Abstract data types

Nested tables

Varying arrays

Large objects

• New features

Abstract data types

Nested tables

Varying arrays

Large objects

7

Oracle 8Oracle 8

• New features

Abstract data types

Nested tables

Varying arrays

Large objects

References

• New features

Abstract data types

Nested tables

Varying arrays

Large objects

References

8

Oracle 8Oracle 8

• New features

Abstract data types

Nested tables

Varying arrays

Large objects

References

Object views

• New features

Abstract data types

Nested tables

Varying arrays

Large objects

References

Object views

9

Oracle 8Oracle 8

• Abstract data types• Abstract data types

10

Oracle 8Oracle 8

• Abstract data types

CREATE TYPE statement

CREATE TYPE ADDRESS_TYPE AS OBJECT

(Street VARCHAR2(50),

City VARCHAR2(25),

State VARCHAR(3),

Zip NUMBER(4) );





City VARCHAR2(25),

State VARCHAR(3),

Zip NUMBER(4) );

11

Oracle 8Oracle 8





City VARCHAR2(25),

State VARCHAR(3),

Zip NUMBER(4) );

CREATE TYPE PERSON_TYPE AS OBJECT

(Name VARCHAR2(30),

Address ADDRESS_TYPE );





City VARCHAR2(25),

State VARCHAR(3),

Zip NUMBER(4) );


(Name VARCHAR2(30),


12

Oracle 8Oracle 8


CREATE TABLE statement

CREATE TABLE CUSTOMER

(Customer_ID NUMBER(6),

Person PERSON_TYPE );






13

Oracle 8Oracle 8






CREATE TABLE DEPARTMENT

(Dept_Name VARCHAR2(20),

Address ADDRESS_TYPE) );






CREATE TABLE DEPARTMENT

(Dept_Name VARCHAR2(20),

Address ADDRESS_TYPE) );

14

Oracle 8Oracle 8


INSERT INTO statement

INSERT INTO CUSTOMER VALUES (

1,

PERSON_TYPE(‘Mike Jones’,

ADDRESS_TYPE(‘Penny St.’, ‘London’, ‘HK’, 1234)));




1,



15

Oracle 8Oracle 8




1,



INSERT INTO DEPARTMENT VALUES(

‘SITACS’,

ADDRESS_TYPE(‘Northfields Ave.’, ‘Wollongong’,

‘NSW’, 2522) );




1,



INSERT INTO DEPARTMENT VALUES(

‘SITACS’,

ADDRESS_TYPE(‘Northfields Ave.’, ‘Wollongong’,

‘NSW’, 2522) );

16

Oracle 8Oracle 8


SELECT statement

– SELECT Customer_id, Person.Name

– FROM Customer

– WHERE Person.Address.City = ‘London’;

– SELECT *

– FROM Department;


SELECT statement

– SELECT Customer_id, Person.Name

– FROM Customer

– WHERE Person.Address.City = ‘London’;

– SELECT *

– FROM Department;

17

Oracle 8Oracle 8


DROP TYPE statement

DROP TYPE PERSON_TYPE


DROP TYPE statement


18

Oracle 8Oracle 8


DROP TYPE statement


CREATE OR REPLACE TYPE statement

CREATE OR REPLACE TYPE ADDRESS_TYPE AS OBJECT


City VARCHAR2(25) );


DROP TYPE statement


CREATE OR REPLACE TYPE statement

CREATE OR REPLACE TYPE ADDRESS_TYPE AS OBJECT


City VARCHAR2(25) );

19

Oracle 8Oracle 8

• Indexing abstract data type attributes• Indexing abstract data type attributes

20

Oracle 8Oracle 8

• Indexing abstract data type attributes

CREATE INDEX statement

CREATE INDEX CUST_IDX ON

Customer(Person.Address.City) ;

• Indexing abstract data type attributes

CREATE INDEX statement

CREATE INDEX CUST_IDX ON

Customer(Person.Address.City) ;

21

Oracle 8Oracle 8

• Object views

• Object views

22

Oracle 8Oracle 8

• Object views


(Customer_Id NUMBER(6) PRIMARY KEY,

Name VARCHAR2(30),

Street VARCHAR2(50),

City VARCHAR2(20),

State CHAR(3),

Zip NUMBER(4) );

• Object views


(Customer_Id NUMBER(6) PRIMARY KEY,

Name VARCHAR2(30),


City VARCHAR2(20),

State CHAR(3),

Zip NUMBER(4) );

23

Oracle 8Oracle 8

• Object views



City VARCHAR2(20),

State CHAR(3),

Zip NUMBER(4) );

• Object views



City VARCHAR2(20),

State CHAR(3),

Zip NUMBER(4) );

24

Oracle 8Oracle 8

• Object views



City VARCHAR2(20),

State CHAR(3),

Zip NUMBER(4) );


(Name VARCHAR2(30),


• Object views



City VARCHAR2(20),

State CHAR(3),

Zip NUMBER(4) );


(Name VARCHAR2(30),


25

Oracle 8Oracle 8

• Object views

CREATE VIEW CUSTOMER_V (Customer_ID, Person) AS

SELECT Customer_ID,

PERSON_TYPE(Name,

ADDRESS_TYPE(Street, City, State,Zip) )

FROM CUSTOMER

WHERE State = ‘NSW’;

• Object views

CREATE VIEW CUSTOMER_V (Customer_ID, Person) AS

SELECT Customer_ID,

PERSON_TYPE(Name,

ADDRESS_TYPE(Street, City, State,Zip) )

FROM CUSTOMER

WHERE State = ‘NSW’;

26

Oracle 8Oracle 8

• Object views

Create flat relational table

• Object views


27

Oracle 8Oracle 8

• Object views


Create abstract data types

• Object views



28

Oracle 8Oracle 8

• Object views



Create object view

• Object views



Create object view

29

Oracle 8Oracle 8

• Methods• Methods

30

Oracle 8Oracle 8

• Methods


(Name VARCHAR2(30),

Address ADDRESS_TYPE,

BithDate DATE,

MEMBER FUNCTION Age( BirthDate IN DATE)

RETURN NUMBER );

• Methods


(Name VARCHAR2(30),

Address ADDRESS_TYPE,

BithDate DATE,


RETURN NUMBER );

31

Oracle 8Oracle 8

• Methods

CREATE TYPE BODY PERSON_TYPE AS


RETURN NUMBER IS

BEGIN

RETURN ROUND(SysDate - BirthDate);

END;

END;

/

• Methods

CREATE TYPE BODY PERSON_TYPE AS


RETURN NUMBER IS

BEGIN

RETURN ROUND(SysDate - BirthDate);

END;

END;

/

32

Oracle 8Oracle 8

• Methods

CREATE TABLE STUDENT

(SID NUMBER(6),

PERSON PERSON_TYPE );

SELECT STUDENT.Age(Student.BirthDate)

FROM STUDENT;

• Methods

CREATE TABLE STUDENT

(SID NUMBER(6),

PERSON PERSON_TYPE );

SELECT STUDENT.Age(Student.BirthDate)

FROM STUDENT;

33

Oracle 8Oracle 8

• Collectors• Collectors

34

Oracle 8Oracle 8

• Collectors

Varying arrays

• Collectors

Varying arrays

35

Oracle 8Oracle 8

• Collectors

Varying arrays

Nested tables

• Collectors

Varying arrays

Nested tables

36

Oracle 8Oracle 8

• Varying arrays• Varying arrays

37

Oracle 8Oracle 8

• Varying arrays

CREATE TYPE TOOL_TYPE AS OBJECT

(ToolName VARCHAR2(30) );

• Varying arrays



38

Oracle 8Oracle 8

• Varying arrays



CREATE TYPE TOOLS_VA AS VARRAY(5) OF

TOOL_TYPE;

• Varying arrays




TOOL_TYPE;

39

Oracle 8Oracle 8

• Varying arrays




TOOL_TYPE;

CREATE TABLE MECHANIC

(Name VARCHAR2(30) PRIMARY KEY,

Tools TOOLS_VA );

• Varying arrays




TOOL_TYPE;

CREATE TABLE MECHANIC

(Name VARCHAR2(30) PRIMARY KEY,

Tools TOOLS_VA );

40

Oracle 8Oracle 8

• Varying arrays

INSERT INTO MECHANIC VALUES

(‘Mike Jones’, TOOLS_VA(TOOL_TYPE(‘HAMMER’), TOOL_TYPE(‘SLEDGE’), TOOL_TYPE(‘AX’)));

• Varying arrays

INSERT INTO MECHANIC VALUES

(‘Mike Jones’, TOOLS_VA(TOOL_TYPE(‘HAMMER’), TOOL_TYPE(‘SLEDGE’), TOOL_TYPE(‘AX’)));

41

Oracle 8Oracle 8

• Varying arrays

DECLARE

CURSOR MECHANIC_CURSOR IS

SELECT * FROM MECHANIC;

MECHANIC_REC MECHANIC_CURSOR%ROWTYPE;

BEGIN

FOR MECHANIC_REC IN MECHANIC_CURSOR

LOOP

DBMS_OUTPUT.PUT_LINE(MECHANIC_REC.Name);

FOR I IN 1..MECHANIC_REC.Tools.Count

LOOP

DBMS_OUTPUT.PUT_LINE(MECHANIC_REC.Tools(I));

END LOOP;

END LOOP;

END;

• Varying arrays

DECLARE

CURSOR MECHANIC_CURSOR IS

SELECT * FROM MECHANIC;

MECHANIC_REC MECHANIC_CURSOR%ROWTYPE;

BEGIN

FOR MECHANIC_REC IN MECHANIC_CURSOR

LOOP

DBMS_OUTPUT.PUT_LINE(MECHANIC_REC.Name);

FOR I IN 1..MECHANIC_REC.Tools.Count

LOOP

DBMS_OUTPUT.PUT_LINE(MECHANIC_REC.Tools(I));

END LOOP;

END LOOP;

END;

42

Oracle 8Oracle 8

• Nested tables• Nested tables

43

Oracle 8Oracle 8

• Nested tables

CREATE TYPE ANIMAL_TYPE AS OBJECT

(Breed VARCHAR2(30),

Name VARCHAR2(20),

Birthdate DATE );

• Nested tables



Name VARCHAR2(20),

Birthdate DATE );

44

Oracle 8Oracle 8

• Nested tables



Name VARCHAR2(20),

Birthdate DATE );

CREATE TYPE ANIMAL_TABLE AS TABLE OF

ANIMAL_TYPE;

• Nested tables



Name VARCHAR2(20),

Birthdate DATE );


ANIMAL_TYPE;

45

Oracle 8Oracle 8

• Nested tables



Name VARCHAR2(20),

Birthdate DATE );


ANIMAL_TYPE;

CREATE TABLE BREEDER

(BreederNameVARCHAR2(30),

Animals ANIMAL_TABLE)

NESTED TABLE ANIMALS STORE AS ANIMALS_NT;

• Nested tables



Name VARCHAR2(20),

Birthdate DATE );


ANIMAL_TYPE;

CREATE TABLE BREEDER

(BreederNameVARCHAR2(30),

Animals ANIMAL_TABLE)

NESTED TABLE ANIMALS STORE AS ANIMALS_NT;

46

Oracle 8Oracle 8

• Nested tables

INSERT INTO BREEDER VALUES

(‘Mike Jones’,

ANIMAL_TABLE(

ANIMAL_TYPE( ‘DOG’, ‘BUTCH’, ‘31-MAR-97’),

ANIMAL_TYPE( ‘CAT’, ‘ROVER’, ‘1-MAR-98’),

ANIMAL_TYPE( ‘RAT’, ‘JULIO’, 12-MAR-79’) ) );

• Nested tables


(‘Mike Jones’,

ANIMAL_TABLE(

ANIMAL_TYPE( ‘DOG’, ‘BUTCH’, ‘31-MAR-97’),

ANIMAL_TYPE( ‘CAT’, ‘ROVER’, ‘1-MAR-98’),

ANIMAL_TYPE( ‘RAT’, ‘JULIO’, 12-MAR-79’) ) );

47

Oracle 8Oracle 8

• Nested tables

SELECT NT.BirthDate

FROM THE( SELECT Animals

FROM BREEDER

WHERE BreederName = ‘Jane James’;

) NT

WHERE NT.name = ‘Julio’;

• Nested tables

SELECT NT.BirthDate

FROM THE( SELECT Animals

FROM BREEDER

WHERE BreederName = ‘Jane James’;

) NT

WHERE NT.name = ‘Julio’;

48

Oracle 8Oracle 8

• Nested tables

INSERT INTO

THE( SELECT Animals

FROM BREEDER

WHERE BreederName =‘Mike Jones’)

VALUES

(ANIMAL_TYPE( ‘DOG, ‘MARCUS’, ‘01-AUG-97’) );

• Nested tables

INSERT INTO

THE( SELECT Animals

FROM BREEDER

WHERE BreederName =‘Mike Jones’)

VALUES

(ANIMAL_TYPE( ‘DOG, ‘MARCUS’, ‘01-AUG-97’) );

49

Oracle 8Oracle 8

• Nested tables


(‘Joan Thomas’,

cast(multiset(

SELECT *

FROM THE( SELECTAnimals

FROMBREEDER

WHEREBreederName = ‘Jane James’))

AS ANIMAL_TABLE ) );

• Nested tables


(‘Joan Thomas’,

cast(multiset(

SELECT *

FROM THE( SELECTAnimals

FROMBREEDER

WHEREBreederName = ‘Jane James’))

AS ANIMAL_TABLE ) );

50

Oracle 8Oracle 8

• Object tables• Object tables

51

Oracle 8Oracle 8

• Object tables



Name VARCHAR2(20),

Birthdate DATE );

CREATE TABLE ANIMAL OF ANIMAL_TYPE;

• Object tables



Name VARCHAR2(20),

Birthdate DATE );


52

Oracle 8Oracle 8

• REF operator• REF operator

53

Oracle 8Oracle 8

• REF operator

SELECT REF(A)

FROM ANIMAL A

WHERE Name = ‘Francis’;

• REF operator

SELECT REF(A)

FROM ANIMAL A

WHERE Name = ‘Francis’;

54

Oracle 8Oracle 8

• DEREF operator• DEREF operator

55

Oracle 8Oracle 8

• DEREF operator


CREATE TABLE KEEPER

(KeeperName VARCHAR2(30),

AnimalKept REF ANIMAL_TYPE )

• DEREF operator


CREATE TABLE KEEPER



56

Oracle 8Oracle 8

• DEREF operator


CREATE TABLE KEEPER



INSERT INTO KEEPER

SELECT ‘Kate’, REF(A)

FROM ANIMAL A

WHERE Name = ‘Benji’;

• DEREF operator


CREATE TABLE KEEPER



INSERT INTO KEEPER

SELECT ‘Kate’, REF(A)

FROM ANIMAL A

WHERE Name = ‘Benji’;

57

Oracle 8Oracle 8

• DEREF operator

SELECT DEREF(K.AnimalKept)

FROM KEEPER K

WHERE KeeperName = ‘Kate’;

• DEREF operator

SELECT DEREF(K.AnimalKept)

FROM KEEPER K

WHERE KeeperName = ‘Kate’;

58

Oracle 8Oracle 8

• VALUE operator• VALUE operator

59

Oracle 8Oracle 8

• VALUE operator

SELECT VALUE(A)

FROM ANIMAL A

WHERE NAME = ‘Benji’;

• VALUE operator

SELECT VALUE(A)

FROM ANIMAL A

WHERE NAME = ‘Benji’;

60

Oracle 8Oracle 8

• Generation of OIDs

CREATE TYPE CUSTOMER_TYPE AS OBJECT

(Customer_ID NUMBER PRIMARY KEY,

Name VARCHAR(30),


City VARCHAR2(20),

State CHAR(3)

Zip NUMBER(4) );

CREATE VIEW CUSTOMER_OBJ OF CUSTOMER_TYPE

WITH OBJECT OID(Customer_ID) AS

SELECT * FROM Customer;


CREATE TYPE CUSTOMER_TYPE AS OBJECT

(Customer_ID NUMBER PRIMARY KEY,

Name VARCHAR(30),


City VARCHAR2(20),

State CHAR(3)

Zip NUMBER(4) );

CREATE VIEW CUSTOMER_OBJ OF CUSTOMER_TYPE

WITH OBJECT OID(Customer_ID) AS

SELECT * FROM Customer;

61

Oracle 8Oracle 8


CREATE VIEW CUSTOMER_CALL_OBJ AS

SELECT MAKE_REF(CUSTOMER_OBJECT,

Customer ID)

Customer_ID, CallNumber, CallDate

FROM Customer_Call;


CREATE VIEW CUSTOMER_CALL_OBJ AS

SELECT MAKE_REF(CUSTOMER_OBJECT,

Customer ID)

Customer_ID, CallNumber, CallDate

FROM Customer_Call;

62

Oracle 8Oracle 8


SELECT DEREF(CCOV.Customer_ID)

FROM CUSTOMER_CALL_OBJECT

WHERE CallDate = TRUNC(SysDate);


SELECT DEREF(CCOV.Customer_ID)

FROM CUSTOMER_CALL_OBJECT

WHERE CallDate = TRUNC(SysDate);

63

Oracle 8Oracle 8

• Large Objects• Large Objects

64

Oracle 8Oracle 8

• Large Objects

BLOBBinary LOB. It contains binary data up to 4GB in length and it is stored in the database

• Large Objects


65

Oracle 8Oracle 8

• Large Objects


CLOBCharacter LOB. It contains character data up to 4GB in length and it is stored in the database

• Large Objects



66

Oracle 8Oracle 8

• Large Objects



BFILEBinary file. It contains read-only binary data stored outside the database and its length is limited by operating system

• Large Objects



BFILEBinary file. It contains read-only binary data stored outside the database and its length is limited by operating system

67

Oracle 8Oracle 8

• Large Objects

CREATE TABLE Proposal

(Proposal_ID NUMBER(10) PRIMARY KEY,

Name VARCHAR2(30),

ShortDescription VARCHAR2(1000),

ProposalText CLOB,

Budget BLOB,

CoverLetter BFILE );

• Large Objects

CREATE TABLE Proposal

(Proposal_ID NUMBER(10) PRIMARY KEY,

Name VARCHAR2(30),

ShortDescription VARCHAR2(1000),

ProposalText CLOB,

Budget BLOB,

CoverLetter BFILE );

68

Oracle 8Oracle 8

• Large Objects

INSERT INTO Proposal VALUES

( 123,

‘Nuclear reactor’,

‘This is a short decription’,

‘This is a text of full proposal’,

EMPTY_BLOB(),

NULL);

• Large Objects

INSERT INTO Proposal VALUES

( 123,

‘Nuclear reactor’,

‘This is a short decription’,

‘This is a text of full proposal’,

EMPTY_BLOB(),

NULL);

69

Oracle 8Oracle 8

• DBMS_LOB package

READRead a pice of a LOB value

SUBSTRSelect a piece of a LOB value

INSTRInsert a piece of a LOB value

GETLENGHTFind the length of a LOB value


READRead a pice of a LOB value

SUBSTRSelect a piece of a LOB value

INSTRInsert a piece of a LOB value

GETLENGHTFind the length of a LOB value

70

Oracle 8Oracle 8


COMPARECompare two LOB values

WRITEWrite a piece of a LOB value

APPENDAppend a piece of a LOB value

ERASEErase a piece of a LOB value


COMPARECompare two LOB values

WRITEWrite a piece of a LOB value

APPENDAppend a piece of a LOB value

ERASEErase a piece of a LOB value

71

Oracle 8Oracle 8

• References

/share/cs-pub/235/docs/SQLRef.pdf

/share/cs-pub/235/docs/PLSQLRef.pdf

• References

/share/cs-pub/235/docs/SQLRef.pdf

/share/cs-pub/235/docs/PLSQLRef.pdf

1 oracle 8. 2 new features 3 oracle 8 new features abstract data types new features abstract data...

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