SQL> show parameter dump NAME TYPE VALUE------------------------------------ ----------- ------------------------------background_core_dump string partialbackground_dump_dest …
1.11G中ALERT日志中有报错ORA-609 TNS-12537 and TNS-12547 or TNS-12170 12170, 'TNS-12535等问题的解决方法: Troubleshooting Guide for TNS-12535 or ORA-12535 or ORA-12170 Errors (文档 ID 119706.1) TNS-12535 / ORA-12535 on Connection to Database (文档 ID 214122.1) 11g: ORA-…
SQL : select * from information_schema.tables ORACLE: select table_name from user_tables ACCESS: select name from MSysObjects where type=1 and flags=0…
例如现在有一个Customer对象 public class Customer{ private Integer cid; private String cname; private Integer cage; } 现在说在hibernate中利用HQL查找出了cname一列值,然后将其封装成一个对象,问HQL要怎么写(投影操作)? 解决:1.在Customer实体类中添加一个带参的构造方法 public class Customer{ public Customer(){ super(); }…