法兰连接时应保持同轴，其螺栓孔中心偏差一般不超过孔径的（），并保证螺栓自由穿入。 ["2%","3%","4%","5%"]
You work as a database administrator for Supportcenter.cn. Because of space constraints， you decided to manually shrink the table. You executed the ALTER TABLE ....SHRINK SPACE statement to shrink the space and you receive an error as follows： ERROR at Line 1： ORA-10635： Invalid segment or tablespace type What could be the reason？ （） ["The table is partitioned","The table name is wrong.","It is an index-Organized table （IOT）","The table is stored in locally managedtablespace.","The table is stored in atablespacewhere segment space is managed manually."]
下面哪个不是常用的网络管理方式（） ["SNMP","RMON","WEB","FTP"]
用人单位已经缴纳生育保险费的，其职工享受生育保险待遇；职工未就业配偶按照国家规定享受生育医疗费用待遇。所需资金从生育保险基金中支付。
You executed the following command in Recovery Manager （RMAN）： RMAN> RESTORE CONTROLFILE； Which operation must you perform before this command is executed？（） ["back up the control file to trace","bring database to the MOUNT state","open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database","set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog"]
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