OCM_Session3_1_CreateanRMANCatalog:1. Create an RMAN Catalog 1.1 Create a tablespace in your EMREP database called RC_DATA. 1.1.1 Make it locally managed. 1.1.2 Create it with one datafile of size 100MB. 参考联机文档：Backup and Recovery Advanced User's Guide==10 Managing t 1. Cr