Oracle 11g Release 2

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CREATE TABLE t
    ("ID" int, "START_DATE" date, "END_DATE" date, "FIELD1" varchar2(5))
;

INSERT ALL 
    INTO t ("ID", "START_DATE", "END_DATE", "FIELD1")
         VALUES (1, '01-Mar-2019', '07-Mar-2019', 'text1')
    INTO t ("ID", "START_DATE", "END_DATE", "FIELD1")
         VALUES (2, '10-Apr-2019', '15-Apr-2019', 'text2')
SELECT * FROM dual
;
2 rows affected

select id,start_date + level - 1 as "date", field1 from t connect by 
level <= end_date - start_date  + 1
and prior id = id
and prior sys_guid() is not null;


ID
date
FIELD1


1
01-MAR-19
text1

1
02-MAR-19
text1

1
03-MAR-19
text1

1
04-MAR-19
text1

1
05-MAR-19
text1

1
06-MAR-19
text1

1
07-MAR-19
text1

2
10-APR-19
text2

2
11-APR-19
text2

2
12-APR-19
text2

2
13-APR-19
text2

2
14-APR-19
text2

2
15-APR-19
text2

ID	date	FIELD1
1	01-MAR-19	text1
1	02-MAR-19	text1
1	03-MAR-19	text1
1	04-MAR-19	text1
1	05-MAR-19	text1
1	06-MAR-19	text1
1	07-MAR-19	text1
2	10-APR-19	text2
2	11-APR-19	text2
2	12-APR-19	text2
2	13-APR-19	text2
2	14-APR-19	text2
2	15-APR-19	text2