What are Nested Tables? How will u delete 5 rows from Nested
Tables
Answer Posted / keshav
CREATE Or Replace TYPE AddressType AS OBJECT (
street VARCHAR2(15),
city VARCHAR2(15),
state CHAR(2),
zip VARCHAR2(5)
);
CREATE Or Replace TYPE nested_table_AddressType AS TABLE OF AddressType;
CREATE TABLE employee (
id INTEGER PRIMARY KEY,
first_name VARCHAR2(10),
last_name VARCHAR2(10),
addresses nested_table_AddressType
)
NESTED TABLE
addresses
STORE AS
nested_addresses;
INSERT INTO employee VALUES (
1, 'Steve', 'Brown',
nested_table_AddressType(
AddressType('2 Ave', 'City', 'MA', '12345'),
AddressType('4 Ave', 'City', 'CA', '54321')
)
);
DELETE FROM TABLE (
SELECT addresses FROM employee WHERE id = 1
) addr
WHERE
VALUE(addr) = AddressType(
'4 Ave', 'City', 'CA', '54321'
);
Is This Answer Correct ? | 16 Yes | 0 No |
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