database - renaming index names while exporting them as ddl -


in current existing schema of index/constraint names generated oracle sys_cxxxxx , trying export ddl statements, here need replace system generated names pk_(tablename) or pk_(tablename)1.

you can use rename option of alter command rename constraints/indexes:

sql> create table t (x int primary key);  sql> select constraint_name user_constraints   2  table_name = 't';  constraint_name                                                                  ---------------------- sys_c0010667                                                                      sql> alter table t rename constraint sys_c0010667 t_pk;   sql> select constraint_name user_constraints   2  table_name = 't';  constraint_name                                                                  ---------------------- t_pk                                                                              sql> select index_name user_indexes table_name = 't';  index_name                                                                       ---------------------- sys_c0010667                                                                      sql> alter index sys_c0010667 rename t_pk;  Индекс изменен.  sql> select index_name user_indexes table_name = 't';  index_name                                                                       ---------------------- t_pk

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