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Gives a full description of the table, including all constraints, indexes and comments etc
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‎tab_desc.sql

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REM Filename : tab_desc.sql
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REM Author : Craig Richards
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REM Created : 25-February-2009
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REM Version : 1.0
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REM Modifications :
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REM
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REM Description : Gives a full description of the table, including all constraints, indexes and comments etc
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SET ECHO OFF
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SET TERM ON
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ACCEPT table_name PROMPT "Enter the name of the table: "
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ACCEPT tab_owner PROMPT "Enter table owner: "
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SET HEADING ON
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SET NEWPAGE 0
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TTITLE 'Table Description - Space Definition'
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SPOOL tab_desc.log
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BTITLE off
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COLUMN nline newline
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SET PAGESIZE 54
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SET LINESIZE 78
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SET HEADING OFF
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SET EMBEDDED OFF
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SET VERIFY OFF
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ACCEPT report_comment char PROMPT 'Enter a comment to identify the system: '
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SET TERMOUT OFF
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SELECT 'Date - '||TO_CHAR(sysdate,'Day Ddth Month YYYY HH24:MI:SS'),
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'At - '||'&&report_comment' nline,
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'Username - '||User nline
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FROM sys.dual
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/
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PROMPT
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SET EMBEDDED ON
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SET HEADING ON
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COLUMN Ts FORMAT a30
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COLUMN Ta FORMAT a30
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COLUMN Clu FORMAT a30
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COLUMN Pcf FORMAT 99999999999990
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COLUMN Pcu FORMAT 99999999999990
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COLUMN Int FORMAT 99,999,999,990
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COLUMN Mat FORMAT 99,999,999,990
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COLUMN Inx FORMAT 99,999,999,990
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COLUMN Nxt FORMAT 99,999,999,990
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COLUMN Mix FORMAT 99,999,999,990
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COLUMN Max FORMAT 99,999,999,990
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COLUMN Pci FORMAT 99999999999990
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COLUMN Num FORMAT 99,999,999,990
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COLUMN Blo FORMAT 99,999,999,990
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COLUMN Emp FORMAT 99,999,999,990
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COLUMN Avg FORMAT 99,999,999,990
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COLUMN Cha FORMAT 99,999,999,990
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COLUMN Rln FORMAT 99,999,999,990
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COLUMN Hdg FORMAT a30 newline
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SET HEADING OFF
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SELECT 'Table Name' Hdg, table_name Ta,
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'Tablespace_name' Hdg, tablespace_name Ts,
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'Cluster Name' Hdg, cluster_name Clu,
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'% Free' Hdg, Pct_Free Pcf,
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'% Used' Hdg, Pct_Used Pcu,
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'Ini Trans' Hdg, Ini_Trans Int,
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'Max Trans' Hdg, Max_Trans Mat,
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'Initial Extent (K)' Hdg, Initial_Extent/1024 Inx,
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'Next Extent (K)' Hdg, Next_extent/1024 Nxt,
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'Min Extents' Hdg, Min_extents Mix,
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'Max Extents' Hdg, Max_extents Max,
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'% Increase' Hdg, Pct_Increase Pci,
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'Number of Rows' Hdg, Num_Rows Num,
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'Number of Blocks' Hdg, Blocks Blo,
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'Number of Empty Blocks' Hdg, Empty_Blocks Emp,
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'Average Space' Hdg, Avg_Space Avg,
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'Chain Count' Hdg, Chain_Cnt Cha,
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'Average Row Length' Hdg, Avg_Row_len Rln
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FROM dba_tables
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WHERE table_name = UPPER('&&table_name')
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AND owner=UPPER('&&tab_owner')
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/
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SET HEADING ON
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PROMPT
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PROMPT Comments on the Table
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PROMPT
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SELECT COMMENTS FROM dba_tab_comments
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WHERE table_name = UPPER('&&table_name')
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AND owner=UPPER('&&tab_owner')
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/
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SET HEADING ON
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SET EMBEDDED OFF
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COLUMN Cn FORMAT A30 HEADING 'Column Name'
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COLUMN Fo FORMAT A15 HEADING 'Type'
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COLUMN Nu FORMAT A8 HEADING 'Null'
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COLUMN Nds FORMAT 99,999,999 HEADING 'No Distinct'
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COLUMN Dfl FORMAT 9999 HEADING 'Dflt Len'
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COLUMN Dfv FORMAT A40 HEADING 'Default Value'
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TTITLE 'Table Description - Column Definition'
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SELECT Column_name Cn, data_type ||
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DECODE(Data_type,'NUMBER','('||TO_CHAR(data_precision)||DECODE(data_scale,0,'',','||TO_CHAR(data_scale))||')','VARCHAR2',
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'('||TO_CHAR(Data_Length)||')','CHAR',
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'('||TO_CHAR(Data_Length)||')','DATE','','LONG','','Error') Fo,
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DECODE(NUllable,'Y','','NOT NULL') Nu,
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Num_Distinct Nds,
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Default_length Dfl,
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Data_Default Dfv
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FROM dba_tab_columns
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WHERE table_name = UPPER('&&table_name')
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AND owner=UPPER('&&tab_owner')
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ORDER BY COLUMN_ID
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/
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TTITLE off
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PROMPT
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PROMPT TABLE CONSTRAINTS
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PROMPT
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SET HEADING ON
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COLUMN Cn FORMAT a30 HEADING 'Primary Constraint'
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COLUMN Cln FORMAT a45 HEADING 'Table.Column Name'
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COLUMN Ct FORMAT a7 HEADING 'Type'
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COLUMN St FORMAT a7 HEADING 'Status'
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COLUMN Ro FORMAT a30 HEADING 'Ref Owner| Constraint Name'
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COLUMN Se FORMAT a70 HEADING 'Criteria ' newline
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BREAK ON Cn ON St
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SET EMBEDDED ON
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PROMPT Primary Key
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PROMPT
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SELECT CNS.Constraint_name Cn,
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CNS.Table_name||'.'||CLS.Column_Name Cln,INITCAP(CNS.Status) St
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FROM dba_constraints CNS, DBA_CONS_COLUMNS CLS
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WHERE CNS.Table_name=UPPER('&&table_name')
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AND CNS.Owner=UPPER('&&tab_owner')
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AND CNS.Constraint_Type='P'
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AND CNS.Constraint_Name=CLS.Constraint_name
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ORDER BY CLS.Position
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/
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PROMPT Unique Key
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PROMPT
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COLUMN Cn FORMAT a30 HEADING 'Unique Key'
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SELECT CNS.Constraint_name Cn,
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CNS.Table_name||'.'||CLS.Column_Name Cln,
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INITCAP(CNS.Status) St
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FROM dba_constraints CNS, DBA_CONS_COLUMNS CLS
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WHERE cns.Table_name=UPPER('&&table_name')
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AND CNS.Owner=UPPER('&&tab_owner')
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AND CNS.Constraint_Type='U'
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AND CNS.Constraint_name=CLS.Constraint_name
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ORDER BY CLS.Position
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/
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PROMPT Foreign Keys
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PROMPT
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COLUMN Cln FORMAT a38 HEADING 'Foreign Key' newline
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COLUMN Clfn FORMAT a38 HEADING 'Parent Key'
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COLUMN Cn FORMAT a40 HEADING 'Foreign Constraint'
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BREAK ON Cn ON St SKIP 1
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SELECT cns.constraint_name Cn,
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INITCAP(CNS.Status) St,
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CLS.Table_name||'.'||cls.COLUMN_name Cln,
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CLF.Owner||'.'||CLf.Table_name||'.'||clf.COLUMN_name Clfn
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FROM dba_constraints cns, dba_cons_COLUMNs clf, dba_cons_COLUMNs cls
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WHERE cns.table_name=UPPER('&&table_name')
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AND CNS.Owner=UPPER('&&tab_owner')
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AND CNS.Constraint_Type='R'
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AND cns.constraint_name=cls.constraint_name
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AND clf.constraint_name = cns.r_constraint_name
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AND clf.owner = cns.owner
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AND clf.position = cls.position
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ORDER BY cns.constraint_name, cls.position
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/
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PROMPT Check Constraints
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PROMPT
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COLUMN Cn FORMAT a40 HEADING 'Check Constraint'
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COLUMN Se FORMAT a75 HEADING 'Criteria '
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SET ARRAYSIZE 1
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SET LONG 32000
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SELECT constraint_name Cn,INITCAP(Status) St,
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Search_Condition Se
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FROM DBA_CONSTRAINTS
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WHERE table_name=UPPER('&&table_name')
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AND owner=UPPER('&&tab_owner')
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AND Constraint_Type='C'
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/
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PROMPT View Constraints
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PROMPT
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COLUMN Cn FORMAT a40 HEADING 'View Constraint'
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SELECT Constraint_Name Cn,
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INITCAP(Status) St,
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Search_Condition Se
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FROM DBA_CONSTRAINTS
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WHERE table_name=UPPER('&&table_name')
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AND owner=UPPER('&&tab_owner')
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AND Constraint_Type='V'
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/
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SPOOL OFF
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SET ARRAYSIZE 30
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SET NEWPAGE 1 VERIFY ON FEEDBACK 6 PAGESIZE 24 LINESIZE 80
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SET HEADING ON EMBEDDED OFF TERMOUT ON ARRAYSIZE 15 LONG 80
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UNDEFINE table_name
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UNDEFINE tab_owner
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UNDEFINE report_comment
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TTITLE OFF
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BTITLE OFF
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CLEAR COLUMNS
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REM End of Script

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