两对双引号""""是用于解决：pg_dump: no matching tables were found 问题。
pg_dump -h localhost -p 5432 -U postgres -d mydb -t ""demoTable1"" -t ""demoTable2"" > D:\backup.sql
两对双引号""""是用于解决：pg_dump: no matching tables were found 问题。
pg_dump -h localhost -p 5432 -U postgres -d mydb -t ""demoTable1"" -t ""demoTable2"" > D:\backup.sql