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Oracle data block missing row number how to do, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can gain something.

Environment 1:

SCOTT@proc > drop table tt purge

Table dropped.

SCOTT@proc >

SCOTT@proc >

SCOTT@proc > create table tt (id int,name varchar2 (2000)) tablespace users

Table created.

SCOTT@proc > insert into tt values (1 Magi RPad)

1 row created.

SCOTT@proc > insert into tt values (2 Magi RPad)

1 row created.

SCOTT@proc > insert into tt values (3 Personnal RPad)

1 row created.

SCOTT@proc > insert into tt values (4 Magi RPad)

1 row created.

SCOTT@proc > commit

Commit complete.

SCOTT@proc > select id,substr (name,1,1), rowid,dbms_rowid.rowid_relative_fno (rowid) file#,dbms_rowid.rowid_block_number (rowid) block#,dbms_rowid.rowid_row_number (rowid) row# from tt

ID SU ROWID FILE# BLOCK# ROW#

1 an AAAV8LAAEAAAAImAAA 4 550 0

2 b AAAV8LAAEAAAAImAAB 4 550 1

3 c AAAV8LAAEAAAAImAAC 4 550 2

4 d AAAV8LAAEAAAAImAAD 4 550 3

SCOTT@proc > delete from tt where id=2

1 row deleted.

SCOTT@proc > commit

Commit complete.

SCOTT@proc > insert into tt values (5 Magi RPad)

1 row created.

SCOTT@proc > commit

Commit complete.

SCOTT@proc > select id,substr (name,1,1), rowid,dbms_rowid.rowid_relative_fno (rowid) file#,dbms_rowid.rowid_block_number (rowid) block#,dbms_rowid.rowid_row_number (rowid) row# from tt

ID SU ROWID FILE# BLOCK# ROW#

1 an AAAV8LAAEAAAAImAAA 4 550 0

5 e AAAV8LAAEAAAAImAAB 4 550 1

3 c AAAV8LAAEAAAAImAAC 4 550 2

4 d AAAV8LAAEAAAAImAAD 4 550 3

Environment 2:

SCOTT@proc > drop table tt purge

Table dropped.

SCOTT@proc > create table tt (id int,name varchar2 (2000)) tablespace users

Table created.

SCOTT@proc > insert into tt values (1 Magi RPad)

1 row created.

SCOTT@proc > insert into tt values (2 Magi RPad)

1 row created.

SCOTT@proc > insert into tt values (3 Personnal RPad)

1 row created.

SCOTT@proc > commit

Commit complete.

SCOTT@proc > select id,substr (name,1,1), rowid,dbms_rowid.rowid_relative_fno (rowid) file#,dbms_rowid.rowid_block_number (rowid) block#,dbms_rowid.rowid_row_number (rowid) row# from tt

ID SU ROWID FILE# BLOCK# ROW#

1 an AAAV8VAAEAAAAIkAAA 4 548 0

2 b AAAV8VAAEAAAAIkAAB 4 548 1

3 c AAAV8VAAEAAAAIkAAC 4 548 2

SCOTT@proc > delete from tt where id=2

1 row deleted.

SCOTT@proc > insert into tt values (4 Magi RPad)

1 row created.

SCOTT@proc > commit

Commit complete.

SCOTT@proc > insert into tt values (5 Magi RPad)

1 row created.

SCOTT@proc > commit

Commit complete.

SCOTT@proc > select id,substr (name,1,1), rowid,dbms_rowid.rowid_relative_fno (rowid) file#,dbms_rowid.rowid_block_number (rowid) block#,dbms_rowid.rowid_row_number (rowid) row# from tt

ID SU ROWID FILE# BLOCK# ROW#

1 an AAAV8VAAEAAAAIkAAA 4 548 0

3 c AAAV8VAAEAAAAIkAAC 4 548 2

4 d AAAV8VAAEAAAAIkAAD 4 548 3

5 e AAAV8VAAEAAAAIkAAE 4 548 4

SCOTT@proc >

Environment 3:

SCOTT@proc > drop table tt purge

Table dropped.

SCOTT@proc > create table tt (id int,name varchar2 (2000)) tablespace users

Table created.

SCOTT@proc > insert into tt values (1 Magi RPad)

1 row created.

SCOTT@proc > insert into tt values (2 Magi RPad)

1 row created.

SCOTT@proc > insert into tt values (3 Personnal RPad)

1 row created.

SCOTT@proc > commit

Commit complete.

SCOTT@proc > select id,substr (name,1,1), rowid,dbms_rowid.rowid_relative_fno (rowid) file#,dbms_rowid.rowid_block_number (rowid) block#,dbms_rowid.rowid_row_number (rowid) row# from tt

ID SU ROWID FILE# BLOCK# ROW#

1 an AAAV8MAAEAAAAImAAA 4 550 0

2 b AAAV8MAAEAAAAImAAB 4 550 1

3 c AAAV8MAAEAAAAImAAC 4 550 2

SCOTT@proc > delete from tt where id=2

1 row deleted.

SCOTT@proc > commit

Commit complete.

SCOTT@proc > insert into tt values (4 Magi RPad)

1 row created.

SCOTT@proc > insert into tt values (5 Magi RPad)

1 row created.

SCOTT@proc > commit

Commit complete.

SCOTT@proc > select id,substr (name,1,1), rowid,dbms_rowid.rowid_relative_fno (rowid) file#,dbms_rowid.rowid_block_number (rowid) block#,dbms_rowid.rowid_row_number (rowid) row# from tt

ID SU ROWID FILE# BLOCK# ROW#

1 an AAAV8MAAEAAAAImAAA 4 550 0

5 e AAAV8MAAEAAAAImAAB 4 550 1

3 c AAAV8MAAEAAAAImAAC 4 550 2

4 d AAAV8MAAEAAAAImAAD 4 550 3

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