Which are DML statements? () COMMIT。 MERGE。 UPDATE。 DELETE。 CREATE。 DROP。
You Execute the Following command to create a password file in the database server: $ orapwd file = ‘+DATA/PROD/orapwprod entries = 5 ignorecase = N format = 12’ Which two statements are true about the password file?() It records the usernames and passwords of users when granted the DBA role.。 It contains the usernames and passwords of users for whom auditing is enabled.。 Is used by Oracle to authenticate users for remote database administration.。 It records the usernames and passwords of all users when they are added to the OSDBA or OSOPER operating system groups.。 It supports the SYSBACKUP, SYSDG, and SYSKM system privileges.。
()对各标段的工程质量和安全生产进行统一管理,负责制定项目部的质量和安全工作目标、计划,并组织贯彻实施。 综合部。 项目经理。 质量安全部。 技术部。
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简述产业结构演变的基本规律。
在伤口的近侧出现“红线”,硬而有压痛,通常是()