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No data found
10
Answers
What is Denormalization?
Praveen Moosad
10y
Reply
3
Answers
Can a view be updated/inserted/deleted? If Yes – under what conditions?
Gaurav Malviya
10y
Reply
4
Answers
What are the advantages of VIEW?
Gaurav Malviya
10y
Reply
1
Answer
What is CYCLE/NO CYCLE in a Sequence?
Gaurav Malviya
10y
Reply
1
Answer
How to access the current value and next value from a sequence? Is it possible to access the current value in a session before accessing next value?
Gaurav Malviya
10y
Reply
1
Answer
What is a database link?
Gaurav Malviya
10y
Reply
0
Answer
If unique key constraint on DATE column is created, will it validate the rows that are inserted with SYSDATE?
Gaurav Malviya
10y
Reply
1
Answer
How will you activate/deactivate integrity constraints?
Gaurav Malviya
10y
Reply
1
Answer
Where the integrity constraints are stored in data dictionary?
Gaurav Malviya
10y
Reply
0
Answer
What are the pre-requisites to modify datatype of a column and to add a column with NOT NULL constraint?
Gaurav Malviya
10y
Reply
0
Answer
How many LONG columns are allowed in a table? Is it possible to use LONG columns in WHERE clause or ORDER BY?
Gaurav Malviya
10y
Reply
1
Answer
What is difference between CHAR and VARCHAR2? What is the maximum SIZE allowed for each type?
Gaurav Malviya
10y
Reply
2
Answers
What are the data types allowed in a table?
Gaurav Malviya
10y
Reply
0
Answer
What is ON DELETE CASCADE?
Gaurav Malviya
10y
Reply
0
Answer
What is the usage of SAVEPOINTS?
Gaurav Malviya
10y
Reply
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