You can()them by color.
A、say
B、talk
C、tell
D、speak
A、say
B、talk
C、tell
D、speak
A、You can conned as a common user by using the connect statement. B、You can connect as a local user by using the connect statement. C、You can connect by using easy connect. D、You can connect by using OS authentication. E、You can connect by using a Net Service name. F、You can connect as a local user by using the SET CONTAINER statement.
A、It gets updated automatically when you commit. B、You need to create it by issuing request system configuration rescue save. C、It is rollback file number 50 and you can recover it by issuing rollback 50. D、You can load it by entering rollback rescue.
A、The operation col1.retainAll(col2) will not modify the col1 object. B、The operation col1.removeAll(col2) will not modify the col2 object. C、The operation col1.addAll(col2) will return a new collection object, containing elements from both col1 and col2. D、The operation col1.containsAll(Col2) will not modify the col1 object.
A、By default, EM express is available for a database after database creation. B、You can use EM express to manage multiple databases running on the same server. C、You can perform basic administrative tasks for pluggable databases by using the EM express interface. D、You cannot start up or shut down a database Instance by using EM express. E、You can create and configure pluggable databases by using EM express.
A、A.COL1 will accept NULL values and can be referenced in another table's foreign key specification. B、B.COL1 will not accept NULL values and cannot be referenced in another tables foreign key specification. C、C.COL1 will not accept NULL values and can be referenced in another tables foreign key specification. D、D.COL1 will accept NULL values and cannot be referenced in another tables foreign key specification.
A、Any row inserted or updated through view V1 must meet the condition that col4 > 1000. B、From now on, any row inserted or updated in table T1 must meet the condition that col4 > 1000, but existing rows in the table are not checked. C、At view creation, DB2 will check the data in table T1, and if in any row doesn't meet the condition col4 > 1000, the view creation will be rejected. D、Any row inserted or updated through view V1 must meet the condition that col4 > 1000 and no row in table T1 can be updated such that col4 <= 1000, but new rows in the table can be inserted with col4 <= 1000.
A、A.can correct by adjusting the compass card B、B.can correct by adjusting the compensating magnets C、C.can correct by changing the vessel's heading D、D.cannot correct