我在一个.sql文件中遇到过,从来没有见过这个before...Guessing,我们正在创建变量,但从来没有见过这样做。column set_schema_pow new_value schema_pow
from &schema..varwhereand atom = '&vta'
and variable_name =
||', global variable name is: '|| global_variable_rec.global_variable || ', where clause is: ' || global_variable_rec.where_clause'|| global_variable_rec.table_name ||' WHERE '|| global_var