深度相同时,随着离基础中心点距离的增大,地基中竖向附加应力将如何变化?()
A. 斜线增大
B. 斜线减小
C. 曲线增大
D. 曲线减小
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与普通印制单位不同,承担一切国家秘密文件资料印制的印制单位,必须持有()。
A. 《特种经营许可证》
B. 《印刷经营许可证》
C. 《国家秘密载体复制许可证》
Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs. Which three steps should you perform to recover the control file and make the database fully operational?()
A. Mount the container database (CDB) and restore the control file from the control file auto backup.
B. Recover and open the CDB in NORMAL mode.
C. Mount the CDB and then recover and open the database, with the RESETLOGS option.
D. Open all the pluggable databases.
E. Recover each pluggable database.
F. Start the database instance in the nomount stage and restore the control file from control file auto backup.