What is an oracle and why it is used?

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How to rebuild an index in oracle?

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Hi all, Can any one give answer for this question. Suppose im having employee table with fields, eno, ename, dept, address1, address2, address3. In address field employee can fill only address1 or address2 or address3... at a time he can fill three address fields. now i want all employee names who filled only one address field.. Plz its urjent can any one give querry.. Thanks in advance.

4 Answers   JPMorgan Chase,

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When do you get a .pll extension in oracle?

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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.

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Q1:code to connect to sql server(database) through jdbc application. Q2:code to connect to Mysql(database) through jdbc application. Q3:code to connect to oracle(database) through jdbc application.

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How do I uninstall oracle 11g?

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In what script is snap$ created? In what script is the scott/tiger schema created?

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What are the different editions of oracle?

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What are the different types of trigger and explain its various uses and functions?

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Maximum how many triggers can be updated in table ?

5 Answers   Accenture, Cap Gemini,

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How to do clean up if create database failed?

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