if we give update table_name set column_name= default. what will happen?

4 Answers   iFlex,

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How to access the current value and next value from a sequence?

6 Answers  

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What is the max nvarchar size?

0 Answers  

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If we have n no of columns in a table, can we add new column in that table with not null constraint?

2 Answers  

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there is A table and B table in A table there 5 rows and in b table there are 2 rows i am firing query select * from a,b what will be the output?

7 Answers   Cognizant,

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What is trigger in pl sql?

0 Answers  

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what are all the different normalizations? : Sql dba

0 Answers  

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How can we make an if statement within a select statement?

0 Answers  

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Can we join 3 tables in sql?

0 Answers  

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wirte a query to remove null? following table are col1 col2 col3 dinesh null null null suresh null null null prakesh i want the output like col1 col2 col3 dinesh suresh prkaesh

6 Answers   TCS,

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Is it mandatory for the primary key to be given a value when a new record is inserted?

0 Answers  

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What is nested table in pl sql?

0 Answers  

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