以下脚本可以用于列出相关模式或表上的Constraints约束:
---<tfsscons.sql begin>------------------------------------------------------ SET ECHO off REM NAME: tfsscons.sql REM USAGE:"@path/tfsscons" REM -------------------------------------------------------------------------- REM REQUIREMENTS: REM SELECT permissions on dba_constraints, dba_cons_columns and REM dba_ind_columns. REM -------------------------------------------------------------------------- SET ARRAYSIZE 1 SET FEEDBACK off SET SERVEROUT on SET PAGESIZE 66 SET NEWPAGE 6 SET LINESIZE 75 SET PAUSE off SET VERIFY off ACCEPT puser PROMPT 'Enter the schema name: ' ACCEPT pexcp PROMPT 'Enter the EXCEPTIONS table name for schema &puser: ' PROMPT 'NOTE: This will take some time, please wait...' SPOOL schema_cons_&puser DECLARE CURSOR cons_cur (v_userid VARCHAR2) IS SELECT * FROM dba_constraints WHERE owner = v_userid AND constraint_type in ('P','U','C','R') ORDER BY constraint_type; CURSOR col_cur (con_name VARCHAR2, con_owner VARCHAR2) IS SELECT * FROM dba_cons_columns WHERE owner = con_owner AND constraint_name = con_name ORDER BY position; CURSOR indx_cur (con_name VARCHAR2, ind_own VARCHAR2) IS SELECT a.* FROM dba_indexes a, dba_ind_columns b, dba_cons_columns c WHERE c.constraint_name = con_name AND a.owner = ind_own AND b.index_owner = ind_own AND c.owner = b.index_owner AND c.position = 1 AND c.table_name = b.table_name AND c.column_name = b.column_name AND b.index_name = a.index_name; col_str VARCHAR2(200); v_user VARCHAR2(30) := UPPER('&puser'); v_output VARCHAR2(480); -- max of 16 cols at 30 chars each v_excp NUMBER(1) := 0; v_excptab VARCHAR2(60) := NULL; v_delrule VARCHAR2(4); v_status VARCHAR2(4); srch_cond VARCHAR2(1000); v_errcode NUMBER := 0; v_errmsg varchar2(50) := ' '; BEGIN DBMS_OUTPUT.ENABLE(1000000); -- Prevents buffer exceeded error BEGIN v_excptab := UPPER('&pexcp'); IF v_excptab IS NOT NULL THEN SELECT 1 INTO v_excp FROM dba_objects WHERE owner = UPPER('&puser') AND object_name = UPPER('&pexcp'); v_excptab := 'EXCEPTIONS INTO '||LOWER('&pexcp'); END IF; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Exceptions table does not exist in the schema: '); RAISE NO_DATA_FOUND; GOTO err; END; FOR c1 IN cons_cur(v_user) LOOP begin srch_cond := substr(c1.search_condition,1,length(c1.search_condition)); -- Dont remove table constraint NOT NULL IF (instr(srch_cond,'NOT NULL') < 1) or (instr(srch_cond,'NOT NULL') IS NULL) THEN BEGIN DBMS_OUTPUT.PUT_LINE('ALTER TABLE '||C1.OWNER||'.'||C1.TABLE_NAME); DBMS_OUTPUT.PUT_LINE(' ADD (CONSTRAINT '||C1.CONSTRAINT_NAME); IF c1.constraint_type = 'P' THEN v_output := ' PRIMARY KEY ('; ELSIF c1.constraint_type = 'R' THEN v_output := ' FOREIGN KEY ('; ELSIF c1.constraint_type = 'U' THEN v_output := ' UNIQUE ('; ELSIF c1.constraint_type = 'C' THEN v_output := ' CHECK ('||c1.search_condition||') '||v_excptab; END IF; FOR c2 IN col_cur(c1.constraint_name, c1.owner) LOOP IF c2.position = 1 THEN v_output := v_output||c2.column_name; ELSIF c2.position > 1 THEN v_output := v_output||', '||c2.column_name; END IF; END LOOP; v_output := v_output||')'; DBMS_OUTPUT.PUT_LINE(v_output); IF c1.constraint_type = 'R' THEN v_output := NULL; FOR c3 IN col_cur(c1.r_constraint_name, c1.r_owner) LOOP IF c3.position = 1 THEN v_output := ' REFERENCES '||c3.owner||'.'||c3.table_name||'('; v_output := v_output||c3.column_name; ELSIF c3.position > 1 THEN v_output := v_output||', '||c3.column_name; END IF; END LOOP; v_output := v_output||')'; DBMS_OUTPUT.PUT_LINE(v_output); v_delrule := substr(c1.delete_rule,1,2); IF v_delrule IS NULL THEN v_output := v_excptab || ' )'; ELSIF v_delrule = 'NO' THEN v_output := v_excptab || ' )'; ELSIF v_delrule = 'CA' THEN v_output := ' ON DELETE CASCADE '||v_excptab || ')'; END IF; DBMS_OUTPUT.PUT_LINE(v_output); END IF; FOR c4 IN indx_cur(c1.constraint_name, c1.owner) LOOP IF c1.constraint_type in ('P','U') THEN DBMS_OUTPUT.PUT_LINE(' USING INDEX '); DBMS_OUTPUT.PUT_LINE(' pctfree '||c4.pct_free); DBMS_OUTPUT.PUT_LINE(' initrans '||c4.ini_trans); DBMS_OUTPUT.PUT_LINE(' maxtrans '||c4.max_trans); DBMS_OUTPUT.PUT_LINE(' tablespace '||c4.tablespace_name); DBMS_OUTPUT.PUT_LINE(' Storage ('); DBMS_OUTPUT.PUT_LINE(' initial '||c4.initial_extent); DBMS_OUTPUT.PUT_LINE(' next '||c4.next_extent); DBMS_OUTPUT.PUT_LINE(' minextents'||c4.min_extents); DBMS_OUTPUT.PUT_LINE(' maxextents '||c4.max_extents); DBMS_OUTPUT.PUT_LINE(' pctincrease '||c4.pct_increase||') '|| v_excptab ||')'); END IF; END LOOP; v_output := NULL; v_status := substr(c1.status,1,1); IF v_status = 'E' THEN v_output := ' REM This constraint '||c1.constraint_name||' was ENABLED'; ELSIF v_status = 'D' THEN v_output :=' REM This constraint '||c1.constraint_name ||' was DISABLED'; END IF; DBMS_OUTPUT.PUT_LINE('/ '); DBMS_OUTPUT.PUT_LINE(v_output); DBMS_OUTPUT.PUT_LINE('-------------------------------------------- '); DBMS_OUTPUT.PUT_LINE(' '); END; END IF; EXCEPTION WHEN no_data_found THEN DBMS_OUTPUT.PUT_LINE('No Data Found'); WHEN others THEN v_errcode := sqlcode; v_errmsg := SUBSTR(sqlerrm, 1, 50); DBMS_OUTPUT.PUT_LINE('ERROR: '||v_errcode||': ' || v_errmsg); DBMS_OUTPUT.PUT_LINE(c1.constraint_name||' '||c1.constraint_type); DBMS_OUTPUT.PUT_LINE(c1.search_condition); END; END LOOP; <<err>> NULL; END; / SPOOL off SET PAGESIZE 14 SET FEEDBACK on SET NEWPAGE 0 SET ARRAYSIZE 20 SET SERVEROUT off SET LINESIZE 79 SET VERIFY on ---<tfsscons.sql end>------------------------------------------------------ ---<tfstcons.sql begin>------------------------------------------------------ SET ECHO off REM NAME: tfstcons.sql REM USAGE:"@path/tfstcons" REM -------------------------------------------------------------------------- REM REQUIREMENTS: REM SELECT permissions on dba_constraints, dba_cons_columns and REM dba_ind_columns. REM -------------------------------------------------------------------------- SET ARRAYSIZE 1 SET SERVEROUT on SET PAGESIZE 66 SET NEWPAGE 6 SET LINESIZE 75 SET PAUSE off SET VERIFY off SET FEEDBACK off ACCEPT puser PROMPT 'Enter the schema name: ' ACCEPT ptab PROMPT 'Enter the table name: ' ACCEPT pexcp PROMPT 'Enter the EXCEPTIONS table name for schema &puser: ' PROMPT 'NOTE: This will take some time, please be patient...' SPOOL tab_cons_&ptab DECLARE CURSOR cons_cur (v_userid VARCHAR2, v_tabname VARCHAR2) IS SELECT * FROM sys.dba_constraints WHERE owner = v_userid AND constraint_type in ('P','U','C','R') AND table_name = v_tabname ORDER BY constraint_type; CURSOR col_cur (con_name VARCHAR2, con_owner VARCHAR2) IS SELECT * FROM sys.dba_cons_columns WHERE owner = con_owner AND constraint_name = con_name ORDER BY position; CURSOR indx_cur (con_name VARCHAR2, ind_own VARCHAR2) IS SELECT a.* FROM sys.dba_indexes a, sys.dba_ind_columns b, sys.dba_cons_columns c WHERE c.constraint_name = con_name AND a.owner = ind_own AND b.index_owner = ind_own AND c.owner = b.index_owner AND c.position = 1 AND c.table_name = b.table_name AND c.column_name = b.column_name AND b.index_name = a.index_name; col_str VARCHAR2(200); v_user VARCHAR2(30) := UPPER('&puser'); v_tabname VARCHAR2(30) := UPPER('&ptab'); v_output VARCHAR2(480); -- max of 16 cols at 30 chars each v_dummy NUMBER := 0; v_delrule VARCHAR2(4); v_status VARCHAR2(4); v_excp NUMBER(1) := 0; v_excptab VARCHAR2(60) := NULL; srch_cond VARCHAR2(1000); BEGIN DBMS_OUTPUT.ENABLE(1000000); -- Prevents buffer exceeded error SELECT 1 -- Check to see if the table exists INTO v_dummy FROM dba_tables WHERE table_name = v_tabname AND owner = v_user; BEGIN v_excptab := UPPER('&pexcp'); IF v_excptab IS NOT NULL THEN SELECT 1 INTO v_excp FROM sys.dba_objects WHERE owner = UPPER('&puser') AND object_name = UPPER('&pexcp'); v_excptab := 'EXCEPTIONS INTO '||LOWER('&pexcp'); END IF; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Exceptions table does not exist in your schema: '); RAISE NO_DATA_FOUND; GOTO err; END; FOR c1 IN cons_cur(v_user, v_tabname) LOOP begin srch_cond := substr(c1.search_condition,1,length(c1.search_condition)); -- Dont remove table constraint NOT NULL IF (instr(srch_cond,'NOT NULL') < 1) or (instr(srch_cond,'NOT NULL') IS NULL) THEN BEGIN DBMS_OUTPUT.PUT_LINE('ALTER TABLE '||C1.OWNER||'.'||C1.TABLE_NAME); DBMS_OUTPUT.PUT_LINE(' ADD (CONSTRAINT '||C1.CONSTRAINT_NAME); IF c1.constraint_type = 'P' THEN v_output := ' PRIMARY KEY ('; ELSIF c1.constraint_type = 'R' THEN v_output := ' FOREIGN KEY ('; ELSIF c1.constraint_type = 'U' THEN v_output := ' UNIQUE ('; ELSIF c1.constraint_type = 'C' THEN v_output := ' CHECK ('||c1.search_condition||') '||v_excptab; END IF; FOR c2 IN col_cur(c1.constraint_name, c1.owner) LOOP IF c2.position = 1 THEN v_output := v_output||c2.column_name; ELSIF c2.position > 1 THEN v_output := v_output||', '||c2.column_name; END IF; END LOOP; v_output := v_output ||')'; DBMS_OUTPUT.PUT_LINE(v_output); IF c1.constraint_type = 'R' THEN v_output := NULL; FOR c3 IN col_cur(c1.r_constraint_name, c1.r_owner) LOOP IF c3.position = 1 THEN v_output := ' REFERENCES '||c3.owner||'.'||c3.table_name||'('; v_output := v_output||c3.column_name; ELSIF c3.position > 1 THEN v_output := v_output||', '||c3.column_name; END IF; END LOOP; v_output := v_output||') '; DBMS_OUTPUT.PUT_LINE(v_output); v_delrule := substr(c1.delete_rule,1,2); IF v_delrule IS NULL THEN v_output := v_excptab ||' )'; ELSIF v_delrule = 'NO' THEN v_output := v_excptab || ' )'; ELSIF v_delrule = 'CA' THEN v_output := ' ON DELETE CASCADE '||v_excptab || ')'; END IF; DBMS_OUTPUT.PUT_LINE(v_output); END IF; FOR c4 IN indx_cur(c1.constraint_name, c1.owner) LOOP IF c1.constraint_type in ('P','U') THEN DBMS_OUTPUT.PUT_LINE(' USING INDEX '); DBMS_OUTPUT.PUT_LINE(' pctfree '||c4.pct_free); DBMS_OUTPUT.PUT_LINE(' initrans '||c4.ini_trans); DBMS_OUTPUT.PUT_LINE(' maxtrans '||c4.max_trans); DBMS_OUTPUT.PUT_LINE(' tablespace '||c4.tablespace_name); DBMS_OUTPUT.PUT_LINE(' Storage ('); DBMS_OUTPUT.PUT_LINE(' initial '||c4.initial_extent); DBMS_OUTPUT.PUT_LINE(' next '||c4.next_extent); DBMS_OUTPUT.PUT_LINE(' minextents '||c4.min_extents); DBMS_OUTPUT.PUT_LINE(' maxextents '||c4.max_extents); DBMS_OUTPUT.PUT_LINE(' pctincrease '||c4.pct_increase||') '|| v_excptab ||')'); END IF; END LOOP; v_output := NULL; v_status := substr(c1.status,1,1); IF v_status = 'E' THEN v_output := ' REM This constraint '||c1.constraint_name||' was ENABLED'; ELSIF v_status = 'D' THEN v_output :=' REM This constraint '||c1.constraint_name ||' was DISABLED'; END IF; DBMS_OUTPUT.PUT_LINE('/ '); DBMS_OUTPUT.PUT_LINE(v_output); DBMS_OUTPUT.PUT_LINE('-------------------------------------------- '); DBMS_OUTPUT.PUT_LINE(' '); END; END IF; EXCEPTION WHEN no_data_found THEN DBMS_OUTPUT.PUT_LINE('No Data Found'); WHEN others THEN DBMS_OUTPUT.PUT_LINE('Other: '||substr(sqlerrm,1,60)); DBMS_OUTPUT.PUT_LINE(c1.constraint_name||' '||c1.constraint_type); DBMS_OUTPUT.PUT_LINE(c1.search_condition); END; END LOOP; <<err>> NULL; EXCEPTION WHEN no_data_found THEN DBMS_OUTPUT.PUT_LINE('This table: '||v_tabname||', Does not exist or has no constraints!'); END; / SPOOL off SET PAGESIZE 14 SET FEEDBACK on SET NEWPAGE 0 SET ARRAYSIZE 20 SET SERVEROUT off SET LINESIZE 79 SET VERIFY on ---<tfstcons.sql end>------------------------------------------------------