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2012-05-02

Oracle cheat sheet v.1.1.4

-- File:OracleCheatSheet.sql v.1.1.4 docs at the end
 
-- DEFINE A NICE DATETIME FORMAT
ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY.MM.DD HH24:MI:SS';
 
 
-- FIND FIRST THE NAME OF THE TABLE 
SELECT TABLE_NAME FROM ALL_TABLES WHERE TABLE_NAME LIKE '%RUN%'
; 
 
-- GENERATE A COLUMN SEPARATED LIST FOR SELECTS FOR A TABLE 
SELECT  CASE WHEN ROWNUM = 1 THEN '   ' ELSE ' , ' END || COLUMN_NAME FROM ALL_TAB_COLUMNS WHERE TABLE_NAME = 'OPB_WFLOW_VAR_RUN'
;
 
-- GENERATE A TABLE_NAME.COLUMN_NAME SEPARATED LIST FOR SELECTS FOR A TABLE 
SELECT  CASE WHEN ROWNUM = 1 THEN '   ' ELSE ' , ' END || TABLE_NAME || '.' || COLUMN_NAME FROM ALL_TAB_COLUMNS WHERE TABLE_NAME = 'OPB_WFLOW_VAR_RUN'
;
 
 
 
-- GET THE COLUMN LIST FROM A TABLE 
SELECT ',' || COLUMN_NAME FROM ALL_TAB_COLUMNS WHERE TABLE_NAME = 'OPB_WFLOW_RUN' ; 
 
-- convert ids to human readable values 
select 
  T2.WORKFLOW_NAME 
, T2.START_TIME
, T2.END_TIME
, decode (RUN_STATUS_CODE,
1 , 'Succeeded',
2,  'Disabled',
3,  'Failed',
4,  'Stopped',
5,  'Aborted',
6,  'Running',
15, 'Terminated')  Status
from OPB_WFLOW_RUN T2
WHERE 1=1
AND START_TIME >= to_date('2012-04-03 00:00:00','YYYY-MM-DD HH24:MI:SS')
AND END_TIME   <=   to_date('2012-04-04 00:00:00','YYYY-MM-DD HH24:MI:SS')
 
ORDER BY START_TIME DESC
; 
 
 
SELECT TABLE_NAME as TableName , COLUMN_NAME as ColumnName , FROM all_tab_columns ; 
 
 
SELECT a.table_name, a.column_name, a.constraint_name, c.owner, 
       -- referenced pk
       c.r_owner, c_pk.table_name r_table_name, c_pk.constraint_name r_pk
  FROM all_cons_columns a
  JOIN all_constraints c ON a.owner = c.owner
                        AND a.constraint_name = c.constraint_name
  JOIN all_constraints c_pk ON c.r_owner = c_pk.owner
                           AND c.r_constraint_name = c_pk.constraint_name
 WHERE c.constraint_type = 'R'
   -- AND a.table_name = 'OPB_CNX'
   -- and c_pk.table_name = 'OPB_CNX'
   AND c_pk.constraint_name LIKE '%%'
   AND OWNER='INFAPROD'
   ; 
 
-- FIND A COLUMN_NAME 
SELECT OWNER ||'.' ||  TABLE_NAME ||'.' || COLUMN_NAME FROM ALL_TAB_COLUMNS WHERE 1=1 
-- AND COLUMN_NAME LIKE '%OBJECT%' 
AND OWNER = 'INFAPROD'
-- AND TABLE_NAME LIKE 'REP_SESS_WIDGET_CNXS'
-- AND COLUMN_NAME LIKE '%OBJECT%'
ORDER BY OWNER , TABLE_NAME
;
 
 
-- get the short SID name 
select name from v$database;
-- get the global TNS Service name 
select * from global_name;
-- LIST THE INSTANCE NAME AND HOSTNAME 
select instance_number, instance_name, host_name from v$instance;
 
 
-- how-to copy table from another table from one schema to another 
create table SOURCE_SHEMA.TARGET_TABLE unrecoverable as SELECT * from TARGET_SCHEMA.SOURCE_TABLE
;
 
-- check the priveledges of your current session
select * from session_privs
; 
 
 
-- check the priveledges 
SELECT OWNER , OBJECT_NAME, OBJECT_TYPE FROM all_objects
where 1=1
; 
 
-- check oracle version 
select * from v$version where banner like 'Oracle%';
 
 
-- get h priveldeges 
select * from system_privilege_map
; 
 
SELECT GRANTEE , OWNER , TABLE_NAME , GRANTOR , PRIVILEGE ,  GRANTABLE ,  HIERARCHY  FROM all_tab_privs_made
; 
 
SELECT * FROM all_tab_privs_made
; 
 
-- LIST ALL THE PRIMARY KEYS 
SELECT * FROM ALL_CONS_COLUMNS A JOIN ALL_CONSTRAINTS C  ON A.CONSTRAINT_NAME = C.CONSTRAINT_NAME 
WHERE 1=1
AND C.TABLE_NAME =  'SOR_IM_MAP_TULOSLASKELMA_ENT'
-- AND C.OWNER='MANKELI_OWNER'
AND C.CONSTRAINT_TYPE = 'P'
 ; 
 
-- LIST ALL THE FOREIGH KEYS 
SELECT * FROM ALL_CONS_COLUMNS A JOIN ALL_CONSTRAINTS C  ON A.CONSTRAINT_NAME = C.CONSTRAINT_NAME 
WHERE 1=1 
-- AND A.OWNER='MANKELI_OWNER'
--AND C.TABLE_NAME = 'SOR_IM_MAP_TULOSLASKELMA_ENT'
AND C.CONSTRAINT_TYPE = 'R'
 
; 
 
 
-- CHECK A TABLE FOR DUPLICATES ( A DUPLICATE IS DEFINED AS THE SAVE VALUES IN THE GROUP BY COL LIST)
SELECT       
   TableName.Col1 
 , TableName.Col2T
 FROM TableName
 WHERE 1=1
 AND FilterColumn='SomeFilterValue'
 group by    
   TableName.Col1 
 , TableName.Col2T
  having count (*) > 1;
 
 
 
/* Purpose: 
To provide a cheat sheet for oracle sql 
 
VersionHistory: 
1.1.4 --- 2012.05.02 10:12:03 --- ysg --- Added check duplicates example
1.1.3 --- 2012-04-27 10:28:29 --- ysg --- Added check oracle version  
1.1.2 --- 2012-04-26 15:27:14  --- Added current sessions privs query 
1.1.1 --- ysg --- Added how-to copy table 
1.1.0 --- ysg --- added generate col list 
1.0.0 --- ysg --- initial creation 
 
*/

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