如下:SELECT procpid, START, now() - START AS lap, current_query FROM ( SELECT backendid, pg_stat_get_backend_pid (S.backendid) AS procpid, ...
在使用python的Cx_Oracle访问Oracle数据库时,查询中文返回乱码解决方案如下:-- coding: utf-8 --import osos.environ['NLS_LANG'] = 'SIMPLIFIED CHINESE_CHINA.UTF8'加入以上代码即可解决;不过,在CX_Oracle 6版本以后,以上方法无效果,查询中文返回的结果全部都是问号,解决方案如下:impo...
select 'CREATE INDEX ' ||col.table_name||'_PPK on ' ||col.table_name|| '('||col.COLUMN_name ||' DESC)' from user_constraints con,user_cons_columns col where con.constraint_name=col.constraint_n...
declarev_table varchar2(60);v_num number;beginfor idx in (select * from sys.user_tables) loop v_table:=idx.table_name;execute immediate 'select count(*) from ' || v_table into v_num ;dbms_output.p...