What is use of oracle?

2 Answers   Satyam,

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What is the difference between postgresql and oracle?

0 Answers  

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How to pass parameters to procedures?

0 Answers  

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What do you mean by merge in oracle?

0 Answers  

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WHAT IS THE DIFFERENCE BETWEEN PRIMARY KEY(PK) CONSTRAINT AND UNIQUE KEY(UK) + NOT NULL(NN) CONSTRAINT ASSIGN TO A COLUMN ? INSTEAD OF ASSIGNING PK ,WE CAN ASSIGN UK + NN TO A COLUMN. WHAT ARE THE MARRITS AND DEMARITS BETWEEN THE ABOVE TWO?THE ABOVE TWO ARE SAME,THEY DON'T ALLOW DUPLICATE AS WELL AS NULL VALUES.

3 Answers  

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What is snapshot is too old? Give and example for better understand.

0 Answers   TCS,

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you are sorting a table using "order by"(descending) clause of a column which contains a null value...whether that row containing null value will come first or last in the output??

2 Answers   BirlaSoft,

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What is translate in oracle?

0 Answers  

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How to add a new column to an existing table with a default value?

0 Answers  

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Database crashes. Corruption is found scattered among the file system neither of your doing nor of Oracles. What database recovery options are available? Database is in archive log mode.

0 Answers  

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What is index in Oracle?

0 Answers   MCN Solutions,

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write a query that displays every Friday in a year with date?

5 Answers   Flipkart, HCL, TCS,

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