Question

oracle 查询用户下的某张表是否存在的sql语句要怎么写？？

Answer 1

select * from all_tables t where t.table_name like '表名';

Answer 2

select 1 from user_tables where table_name='tonny'

Answer 3

SELECT COUNT(*) as count
FROM all_tables
WHERE table_name= 'tablename'

这个是查询当前登录用户的,count=0说明表不存在