D. operating system version
A 48. Given the table definitions
defin1:
id smallint not null
name varchar(30)
hired date
defin2:
depitd smallint not null
name varchar(30)
started date
Assuming that neither table is empty, which of the following statements will insert data successfully into table defin1?
A. insert into defin1 (id) values (1)
B. insert into defin1 (name) values (‘Florence’)
C. insert into defin1 (id.hired) as select distinct 1. current date from defin2
D. insert into defin1 (name .hired ) select distinct ‘florennce’.current date from defin2
D 49. Which of the following tools maintains a history of all executed statements/commands for the current session within the tool?
A. Journal
B. SQL assist
C. Health Center
D. Command Center
?D 50. A unit of work is using an isolation level of Cursor stability, and allows scanning through the table more than once within the unit of work which of the following can occur during processing of this unit of work?
A. it can access uncommitted changes made by other transactions
B. it can update uncommitted changes made by other transactions
C. the rows that is has updated can be changed by other transactions from one scan to the next
D. the rows that it has accessed can be changed by other transactions from one scan to the next
?BE 51. A view defined on a table for users to do which two of the following?
A. Avoid allocating more disk space per database
B. Restrict user’s access to a subset of the table data
C. Produce an action as a result of a change to a table
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