Category: ORA- ERRORS

ORA-02065: illegal option for ALTER SYSTEM

For 10.2.0.5, set up parameter value by :
alter system set sga_target= scope= sid=;

In 10g database, when trying to change SGA_TARGET parameter in spfile, “ORA-02065: illegal option for ALTER SYSTEM” occurred.

$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.5.0 - Production on Tue Jun 13 15:56:37 2017
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options

SQL> show parameter sga_target

NAME_COL_PLUS_SHOW_PARAM TYPE        VALUE_COL_PLUS_SHOW_PARAM
------------------------ ----------- --------------------------
sga_target               big integer 4G

SQL> alter system set sga_target=2g sid='RACTEST1' scope=spfile;
 alter system set sga_target=2g sid='RACTEST1' scope=spfile
 *
ERROR at line 1:
ORA-02065: illegal option for ALTER SYSTEM

By swapping the order of “sid” and scope, it is working fine:

SQL> alter system set sga_target=2g scope=spfile sid='RACTEST1';

System altered.

SQL>

ORA-08004: sequence TEST_SEQ.NEXTVAL exceeds MAXVALUE and cannot be instantiated

Recycle the sequence to start from minimum value by “alter sequence cycle”.

SQL> CREATE SEQUENCE test_seq
     START WITH 1
     INCREMENT BY 1
     MAXVALUE 10; 

Sequence created.
SQL> select test_seq.currval from dual;
 select test_seq.currval from dual
 *
ERROR at line 1:
ORA-08002: sequence TEST_SEQ.CURRVAL is not yet defined in this session

SQL> select test_seq.nextval from dual;

NEXTVAL
----------
 1

SQL> /

NEXTVAL
----------
 2

...
..
.

NEXTVAL
----------
 9

SQL> /

NEXTVAL
----------
 10

SQL> /
 select test_seq.nextval from dual
*
ERROR at line 1:
ORA-08004: sequence TEST_SEQ.NEXTVAL exceeds MAXVALUE and cannot be instantiated

1)Increase maximum value:

SQL> alter sequence test_seq maxvalue 15;

Sequence altered.

SQL> select test_seq.nextval from dual;

NEXTVAL
----------
 11

..
.

SQL> select test_seq.nextval from dual;

NEXTVAL
----------
 14

SQL> select test_seq.nextval from dual;

NEXTVAL
----------
 15

SQL> select test_seq.nextval from dual;
 select test_seq.nextval from dual
*
ERROR at line 1:
ORA-08004: sequence TEST_SEQ.NEXTVAL exceeds MAXVALUE and cannot be instantiated

2)Increment by -1.

SQL> alter sequence test_seq increment by -1;

Sequence altered.

SQL> select test_seq.nextval from dual;

NEXTVAL
----------
 14

SQL> select test_seq.nextval from dual;

NEXTVAL
----------
 13

...
..
.

SQL> select test_seq.nextval from dual;

NEXTVAL
----------
 2

SQL> select test_seq.nextval from dual;

NEXTVAL
----------
 1

SQL> select test_seq.nextval from dual;
 select test_seq.nextval from dual
*
ERROR at line 1:
ORA-08004: sequence TEST_SEQ.NEXTVAL goes below MINVALUE and cannot be instantiated

3) Recycle the sequence starting from minimum value ( 1 ) by:

alter sequence cycle
SQL>select test_seq.nextval from dual;


NEXTVAL
----------
 15

SQL> /
 select test_seq.nextval from dual
*
ERROR at line 1:
ORA-08004: sequence TEST_SEQ.NEXTVAL exceeds MAXVALUE and cannot be instantiated


SQL> select SEQUENCE_NAME,MIN_VALUE,MAX_VALUE,
            INCREMENT_BY,CACHE_SIZE,CYCLE_FLAG 
      from  dba_sequences 
     where  SEQUENCE_NAME='TEST_SEQ';

SEQUENCE_NAM MIN_VALUE  MAX_VALUE  INCREMENT_BY CACHE_SIZE C
------------ ---------- ---------- ------------ ---------- -
TEST_SEQ     1          15         1            20         N

SQL> alter sequence TEST_SEQ cycle cache 10;

Sequence altered.

SQL> select test_seq.nextval from dual ;

NEXTVAL
----------
 1

ORA-01758: table must be empty to add mandatory (NOT NULL) column

Table must be empty to add mandatory (NOT NULL) column.

While adding NOT NULL column into a table, the following error occurred:

SQL> Alter table TEST_TBL add NAME  CHAR(12) NOT NULL;
Alter table TEST_TBL add NAME  CHAR(12) NOT NULL
            *
ERROR at line 1:
ORA-01758: table must be empty to add mandatory (NOT NULL) column

The workarounds could be either of the following:

1) Default value is given:

SQL> Alter table TEST_TBL add NAME  CHAR(12) DEFAULT 'EMPTY' NOT NULL;

2) Remove NOT NULL:

SQL> Alter TEST_TBL add NAME CHAR(12);

3) Backup the table to another staging table, truncate the table and then add the NOT NULL column, insert the records back to the table from the staging table.

ORA-10921: Cannot drop tablespace belonging to default temporary tablespace group

Before dropping a temporary tablespace, make sure it is not a default temporary tablespace.

Trying to drop a temporary tablespace which belongs to a default temporary tablespace group.

SQL> select * from DBA_TABLESPACE_GROUPS;

GROUP_NAME          TABLESPACE_NAME
------------------- ------------------------------
TEMP_OLTP           TEMP
TEMP_OLTP           TEMP2
TEMP_OLTP           TEMP3

SQL> DROP TABLESPACE temp2 INCLUDING CONTENTS AND DATAFILES;
DROP TABLESPACE temp2 INCLUDING CONTENTS AND DATAFILES
*
ERROR at line 1:
ORA-10921: Cannot drop tablespace belonging to default temporary tablespace group


SQL> DROP TABLESPACE temp3 INCLUDING CONTENTS AND DATAFILES;
 DROP TABLESPACE temp3 INCLUDING CONTENTS AND DATAFILES
*
ERROR at line 1:
ORA-10921: Cannot drop tablespace belonging to default temporary tablespace group

Change default temporary tablespace from  temporary tablespace group TEMP_OLTP to a temporary tablespace TEMP.:

SQL> alter pluggable database default temporary tablespace temp;

Pluggable database altered.

Now drop temporary tablespaces:

SQL> DROP TABLESPACE temp2 INCLUDING CONTENTS AND DATAFILES;

Tablespace dropped.

SQL> DROP TABLESPACE temp3 INCLUDING CONTENTS AND DATAFILES;

Tablespace dropped.

SQL> select * from DBA_TABLESPACE_GROUPS;

GROUP_NAME      TABLESPACE_NAME
--------------- -----------------
TEMP_OLTP        TEMPA

Make temporary tablespace group as default again:

SQL> alter pluggable database default temporary tablespace TEMP_OLTP;

Pluggable database altered.

ORA-01105 ORA-19808 When Start Up RAC Instance

When tries to start up one instance of the RAC , the following errors occur.

.....
....
ORA-01105: mount is incompatible with mounts by other instances
ORA-19808: recovery destination parameter mismatch
...

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