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Oracle & Distributed Databases
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Course Name
BCA (Bachelor of Computer Application)
Subject Code BC0050 (Oracle & Distributed Databases)
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PART - A
PART - B
PART - C
Subject : Oracle & Distributed Databases
BC0050 : PART - C
| Q. 1 | WHICH OF THE FOLLOWING SYSTEM EXCEPTION CAN BE RAISED
1) DUP_VAL_ON_INDEX
2) LOGIN_DENIED
3) STORAGE_ERROR
4) VALUE_ERROR
5) TRANSACTION_BACKED_OUT
6) PROGRAM_ERROR
7) TIMEOUT_ON_RESOURCE |
| | A) | 1,2,3,4,6,7 |
| B) | 1,2,3,4,5,6 | | C) | 1,2,3,4,5,6,7 | | D) | 1,2,4,5,6,7 | | | | | Q. 2 | SQL PROVIDES STATEMENTS FOR A VARIETY OF TASKS INCLUDING
1) QUERYING DATA
2) INSERTING,UPDATING AND DELETING ROWS IN A TABLE
3) CREATING,REPLACING,ALTERING AND DROPPING OBJECTS
4) CONTROLLING ACCESS TO THE DATABASE AND ITS OBJECTS
5) G |
| | A) | 1,2,3,4,5 |
| B) | 1,2,3,4 | | C) | 1,2,3,5 | | D) | 1,2,4,5 | | | | | Q. 3 | WHICH OF THE FOLLOWING IS THE EXAMPLE OF NUMBER FUNCTIONS
1) ABS(DATA)
2) CEIL(DATA)
3) FLOOR(DATA)
4) TRUNC(DATA,N)
5) INITCAP(DATA)
6) LENGTH(DATA) |
| | A) | 1,2,3,4 |
| B) | 1,2,3,4,5 | | C) | 1,2,3,4,6 | | D) | 1,2,3 | | | | | Q. 4 | WHICH OF THE FOLLOWING IS TRUE FOR SUBQUERIES
1) THE NESTED QUERY MUST RETURN A SINGLE COLUMN
2) THE RESULT CAN ONLY CONTAIN COLUMNS FROM THE TABLES REFERENCED IN THE OUTERMOST QUERY
3) THE NESTED QUERY MUST RETURN A SINGLE ROW WHEN A STANDARD |
| | A) | 2,3,4,5 |
| B) | 1,2,3,4 | | C) | 2,3,5 | | D) | 1,2,3,4,5 | | | | | Q. 5 | VIEWS CANNOT BE UPDATED IF IT CONTAINS
1) JOINS
2) SET OPERATORS
3) GROUP FUNCTIONS
4) GROUP BY CLAUSE
5) DISTINCT |
| | A) | 1,3,4,5 |
| B) | 1,2,3,4,5 | | C) | 1,2,3,4 | | D) | 1,2,4,5 | | | |
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