沃趣班11月月考题目解析
1.在oracle中创建用户时,若未设置default tablespace关键字,则oracle将哪个表空间分配给用户作为默认表空间 答案:D.user
SQL> create user mytest identified by 123456;
SQL> grant connect to mytest;
SQL…
es实体类:
public class ChemicalES {IndexId(type IdType.CUSTOMIZE)private Long id;HighLightIndexField(fieldType FieldType.TEXT, analyzer "ik_max_word")private String name;IndexField(fieldType FieldType.KEYWORD)private List<Stri…
在一次正常的shutdown -r now之后,服务器启动不起来了,登录界面显示recovering journal,主要报错信息如下所示:
/dev/sda2:recovering journal
/dev/sda2:Clearn...
You are in emergency mode. After logging in, type journalc…