SQLPLUS中
SELECT * FROM USER_DB_LINKS;
pl/sql中
select 1 into i from dual where exists (
select * from user_db_links where db_link=name);
SELECT * FROM USER_DB_LINKS;
pl/sql中
select 1 into i from dual where exists (
select * from user_db_links where db_link=name);
解决方案 »
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