Topic: Database Administration >> plz answer these questions?
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| Title: plz answer these questions? |
| aliai |
Posted: May 03, 2008 03:10:45 AM |
Total Post: 12
Joined: Apr, 2008
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Q1)which three statements about subqueries are true?
A)a single row sbuquery can retrieve only one column and one row
B)a single row sbuquery can retrieve only one row but many columns
C)a multiple row subquery can retrieve multiple rows and multiple columns
d)a multiple row subquery can be compared by using the ">" operator
e)a single row subquery can use the IN operator
f)a multiple row subquery can use the "=" operator
Q2) which statements correctly describes SQL and /SQL*Plus?
A.both SQL and /SQL*plus allow manipulation of values in the database
B./SQL*plus recognizes SQL statement and sends them to the server,SQL is the oracle proprietary interface for executing SQL statements
C./SQL*plus language for communicating with the oracle server to access data;SQL recognizes SQL statements and sends them to the server.
D./SQL manipulates data and table definitions in the database;/SQL*plus does not allow manipulation of values in the database
Q3)Which are /sql*plus commands?(choose all that apply)
A.INSERT
B.UPDATE
C.SELECT
D.DESCRIBE
E.DELTE
F.RENAME
Q4)Which two are attributes of /SQL*plus? (choose two)
A./SQL*PLUS commands cannot be abbreviated
B./SQL*PLUS commands are accesses from a browser
C./SQL*PLUS commands are used to manipulate data in tables
D./SQL*PLUS commands manipulate table definitions in the database
E./SQL*PLUS commands is the oracle proprietary interface for executing SQL statements.
Q5)FOR which two actions can you use the TO_DATE functions
A.convert any data literal to date
b.convert any date to a character literal
c.convert any date to a character literal
d.format 'January 10 1999' for input
e.format '10-jan-99' to 'January 10 1999'
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 Murtuja |
| Posted: May 04, 2008 06:00:25 AM |  |
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Total Post: 843
Joined: Jan, 2006
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Hi,
Please go through your study material.You will get answer for all these questions.
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| aliai |
| Posted: May 04, 2008 04:49:48 PM | |
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Total Post: 12
Joined: Apr, 2008
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i have gone through with the course material but the options are so close
i have doubt plz give ur answer that might clear my doubt or if you can not answer tellme whether my answers are correct or not plzz.
Q1) b,c,d
Q2)b
Q3)a,b,c,d,e
Q4)b,e
Q5)b,e
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