社会保险费有养老保险费和（）等 A.失业保险费 。 B.医疗保险费 。 C.生育保险费 。 D.工伤保险费。
根据《反家庭暴力法》的规定，下列关于告诫书的说法不正确的是（）。 家庭暴力情节显著轻微，依法不给予治安管理处罚的，由公安机关对加害人出具告诫书。 告诫书应当包括加害人的身份信息、家庭暴力的事实陈述、禁止加害人实施家庭暴力等内容。 公安机关应当将告诫书送交加害人、受害人，并通知居民委员会、村民委员会。 家庭暴力情节较轻，依法不给予治安管理处罚的，由公安机关对加害人出具告诫书。
Examine this command: SQL > exec DBMS_STATS.SET_TABLE_PREFS (‘SH’, ‘CUSTOMERS’, ‘PUBLISH’, ‘false’); Which three statements are true about the effect of this command?（） Statistics collection is not done for the CUSTOMERS table when schema stats are gathered.。 Statistics collection is not done for the CUSTOMERS table when database stats are gathered.。 Any existing statistics for the CUSTOMERS table are still available to the optimizer at parse time.。 Statistics gathered on the CUSTOMERS table when schema stats are gathered are stored as pending statistics.。 Statistics gathered on the CUSTOMERS table when database stats are gathered are stored as pending statistics.。
Examine the following impdp command to import a database over the network from a pre-12c Oracledatabase (source): Which three are prerequisites for successful execution of the command?（） The import operation must be performed by a user on the target database with the DATAPUMP_IMP_FULL_DATABASE role, and the database link must connect to a user on the source database with the DATAPUMP_EXD_FULL_DATABASE role.。 All the user-defined tablespaces must be in read-only mode on the source database.。 The export dump file must be created before starting the import on the target database.。 The source and target database must be running on the same platform with the same endianness.。 The path of data files on the target database must be the same as that on the source database.。 The impdp operation must be performed by the same user that performed the expdp operation.。
塞柄的内旁通一般用于（） 压力平衡。 排放管线内压力。 连接塞柄结合器。 排放被切管压力。
Your database is in ARCHIVELOG mode. You have two online redo log groups，each of which contains one redo member.
When you attempt to start the database， you receive the following errors：（）
