How do I know if oracle client is installed on windows?

0 Answers  

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primary key is foreign key for the same table?

2 Answers   Oracle,

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What is a trace file and how is it created in oracle?

0 Answers  

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what is normalisation?what are its uses?

0 Answers  

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Explain the use of record option in exp command.

0 Answers  

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how to hide the stored procedure inside a package

1 Answers  

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Give syntax for SQL and ORACLE joins.

0 Answers   TCS,

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SQL> CREATE TABLE to_table 2 (col1 NUMBER); Table created. SQL> CREATE OR REPLACE TRIGGER statement_trigger 2 AFTER INSERT ON to_table 3 BEGIN 4 DBMS_OUTPUT.PUT_LINE('After Insert Statement Level'); 5 END; 6 / Trigger created. SQL> CREATE OR REPLACE TRIGGER row_trigger 2 AFTER INSERT ON to_table 3 FOR EACH ROW 4 BEGIN 5 DBMS_OUTPUT.PUT_LINE('After Insert Row Level'); 6 END; 7 / Trigger created. SQL> INSERT INTO TO_TABLE VALUES(1); After Insert Row Level After Insert Statement Level 1 row created. SQL> BEGIN 2 INSERT INTO TO_TABLE VALUES(2); 3 INSERT INTO TO_TABLE VALUES(3); 4 INSERT INTO TO_TABLE VALUES(4); 5 INSERT INTO TO_TABLE VALUES(5); 6 INSERT INTO TO_TABLE VALUES(6); 7 INSERT INTO TO_TABLE VALUES(7); 8 INSERT INTO TO_TABLE VALUES(8); 9 INSERT INTO TO_TABLE VALUES(9); 10 INSERT INTO TO_TABLE VALUES(0); 11 END; 12 / WAT LL BE THE O/P??? XPLAIN IT>>>>

1 Answers   Infosys,

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I have one table :EID,Depid,ename,sal I want to have max(sal) in each department.

5 Answers   Microsoft, Oracle, TCS,

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Explain an extent?

0 Answers  

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write sql query following source are EmpID, Salary 101 1000 102 2000 103 3000 I want the output format like following empid,sal,composite_sal 101 1000 1000 102 2000 3000 103 3000 6000

4 Answers   TCS,

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select trunc(round(156.00,-1),-1) from dual;

2 Answers  

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