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 ×îÐÂÎÄÕ : Oracle

ORACLE PL/SQL ¼Ç¼(Record)ѧϰ±Ê¼Ç(¶þ)

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DECLARE

-- Define a record type.
TYPE individual_record IS RECORD
(individual_id INTEGER
,first_name VARCHAR2(30 CHAR)
,middle_initial VARCHAR2(1 CHAR)
,last_name VARCHAR2(30 CHAR));

-- Define a record type.
TYPE address_record IS RECORD
(address_id INTEGER
,individual_id INTEGER
,street_address1 VARCHAR2(30 CHAR)
,street_address2 VARCHAR2(30 CHAR)
,street_address3 VARCHAR2(30 CHAR)
,city VARCHAR2(20 CHAR)
,state VARCHAR2(20 CHAR)
,postal_code VARCHAR2(20 CHAR)
,country_code VARCHAR2(10 CHAR));
-- Define a record type of two user defined record type variables.
TYPE individual_address_record IS RECORD
(individual INDIVIDUAL_RECORD
,address ADDRESS_RECORD ......

ORACLE PL/SQL ¼Ç¼(Record)ѧϰ±Ê¼Ç(¶þ)

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DECLARE

-- Define a record type.
TYPE individual_record IS RECORD
(individual_id INTEGER
,first_name VARCHAR2(30 CHAR)
,middle_initial VARCHAR2(1 CHAR)
,last_name VARCHAR2(30 CHAR));

-- Define a record type.
TYPE address_record IS RECORD
(address_id INTEGER
,individual_id INTEGER
,street_address1 VARCHAR2(30 CHAR)
,street_address2 VARCHAR2(30 CHAR)
,street_address3 VARCHAR2(30 CHAR)
,city VARCHAR2(20 CHAR)
,state VARCHAR2(20 CHAR)
,postal_code VARCHAR2(20 CHAR)
,country_code VARCHAR2(10 CHAR));
-- Define a record type of two user defined record type variables.
TYPE individual_address_record IS RECORD
(individual INDIVIDUAL_RECORD
,address ADDRESS_RECORD ......

ORACLE PL/SQL ¼¯ºÏѧϰ±Ê¼Ç(¶þ)

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1¡¢½«Ç¶Ì×±í¶¨ÒåΪPL/SQLµÄ³ÌÐò¹¹Ôì¿é
 
TYPE type_name IS TABLE OF element_type[NOT NULL];
 
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DECLARE

-- Define a nested table of variable length strings.
TYPE card_table IS TABLE OF VARCHAR2(5 CHAR);

-- Declare and initialize a nested table with three rows.
cards CARD_TABLE := card_table(NULL,NULL,NULL);
BEGIN

-- Print title.
dbms_output.put_line(
'Nested table initialized as nulls.');
dbms_output.put_line(
'----------------------------------');

-- Loop through the three records.
FOR i IN 1..3 LOOP

-- Print the contents.
dbms_output.put ('Cards Varray ['||i||'] ');
dbms_output.put_line('['||cards(i)||']');

END LOOP;

-- Assign values to subscripted members of the varray.
cards(1) := 'Ace';
cards(2) := 'Two';
cards(3) := 'Three';

-- Print title.
dbms_output.put (CHR(10)); -- Visual line break.
dbms_output.put_line(
'Nest ......

ORACLE PL/SQL ¼¯ºÏѧϰ±Ê¼Ç(¶þ)

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1¡¢½«Ç¶Ì×±í¶¨ÒåΪPL/SQLµÄ³ÌÐò¹¹Ôì¿é
 
TYPE type_name IS TABLE OF element_type[NOT NULL];
 
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DECLARE

-- Define a nested table of variable length strings.
TYPE card_table IS TABLE OF VARCHAR2(5 CHAR);

-- Declare and initialize a nested table with three rows.
cards CARD_TABLE := card_table(NULL,NULL,NULL);
BEGIN

-- Print title.
dbms_output.put_line(
'Nested table initialized as nulls.');
dbms_output.put_line(
'----------------------------------');

-- Loop through the three records.
FOR i IN 1..3 LOOP

-- Print the contents.
dbms_output.put ('Cards Varray ['||i||'] ');
dbms_output.put_line('['||cards(i)||']');

END LOOP;

-- Assign values to subscripted members of the varray.
cards(1) := 'Ace';
cards(2) := 'Two';
cards(3) := 'Three';

-- Print title.
dbms_output.put (CHR(10)); -- Visual line break.
dbms_output.put_line(
'Nest ......

ORACLE PL/SQL ¼¯ºÏѧϰ±Ê¼Ç(Èý)

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ORACLE PL/SQL ¼¯ºÏѧϰ±Ê¼Ç(Èý)

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ORACLE PL/SQL ¼¯ºÏAPI ×ܽá

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DELETE(n)
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DELETE(n,m)
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PLS_INTEGER
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DELETE(n)
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DELETE(n,m)
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