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Oracle Daily SQL



-- crsctl for Oracle RAC

./crsctl start cluster
./crsctl check crs

- Make column to CLOB

ALTER TABLE TABLE_NAME MODIFY (COLUMN_NAME LONG);
ALTER TABLE TABLE_NAME MODIFY (COLUMN_NAME CLOB);
RENAME <TABLE_NAME> TO <NEW_TABLE_NAME>;

- Rename column, change data type, drop column

ALTER TABLE TABLE_NAME RENAME COLUMN COLUMN_NAME TO COLUMN_NAME1;
ALTER TABLE TABLE_NAME MODIFY (COLUMN_NAME VARCHAR2(10));
ALTER TABLE TABLE_NAME DROP COLUMN COLUMN_NAME;

-- Create Primary Key

ALTER TABLE TABLE_NAME ADD CONSTRAINT CONSTRAINT_NAME PRIMARY KEY (COLUMN1,COLUMN2,COLUMN3,COLUMN4) USING INDEX;


-- Create Unique Index, Rename Index

CREATE UNIQUE INDEX INDEX_NAME ON TABLE_NAME (COLUMN1,COLUMN2,COLUMN3,COLUMN4);


ALTER INDEX <INDEX_NAME> RENAME TO <NEW_INDEX>;

-- Privilege and Role management

SELECT * FROM ROLE_SYS_PRIVS;

-- Create synonym

create synonym <SYNONYM_NAME>for  <SCHEMA_NAME>.<TABLE_NAME>;

--  Add Data file

select FILE_NAME || '    ' || TABLESPACE_NAME from dba_temp_files;

ALTER TABLESPACE <TABLESPACE_NAME> ADD DATAFILE '/u01/data_file/<file_name>.dbf' SIZE 5G AUTOEXTEND ON;

--  Find out Tablespace size

select b.tablespace_name, tbs_size SizeMb, a.free_space FreeMb from (select tablespace_name, round(sum(bytes)/1024/1024 ,2) as free_space from dba_free_space group by tablespace_name) a,
(select tablespace_name, sum(bytes)/1024/1024 as tbs_size from dba_data_files group by tablespace_name UNION select tablespace_name, sum(bytes)/1024/1024 tbs_size
from dba_temp_files group by tablespace_name ) b where a.tablespace_name(+)=b.tablespace_name;

-- Generate script for permission for TABLE in schema

SELECT 'GRANT SELECT,INSERT,UPDATE,DELETE ON <SCHEMA_NAME>.' || OBJECT_NAME || ' ' ||  'TO <USER_NAME>;' FROM USER_OBJECTS WHERE OBJECT_TYPE='TABLE' ORDER BY OBJECT_NAME;

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