How to maintain the history of code changes of pl/sql?

3 Answers  

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How many subqueries can be nested in a statement?

0 Answers  

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What is the maximum rows in csv?

0 Answers  

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Can two tables have same primary key?

0 Answers  

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What is Function based Index and which type of function we can use in Function base index. can we use aggregate,NVL function in Function based Index..

1 Answers   Metric Stream, Polaris,

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What is count * in sql?

0 Answers  

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First round ------------------- - Procedure - Packages - Views - Virtual tables - Can we use dcl with in function? - Joins and few scenarios - Triggers and its type - Pragma, type and its functionality - How to create db link in oracle - Materialized view - How to find duplicate values from table? - Cursor and its functionality - Write a script to display friday and its date from a entire year. - Exception Handling Second round ------------------------ Gave a scenario like. Need to write a function to perform. When user try to change a password. It must not be last five password and a given password can be combination of characters, symbols, upper and lower case.

0 Answers   Prodapt,

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What is a column in a table?

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What is Pragma EXECPTION_INIT ? Explain the usage ?

2 Answers  

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which types of join is used in sql widely? : Sql dba

0 Answers  

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I have one Excel file with 1,50,000 Records. Now I need to load that whole file into Oracle Database with same columns in Excel sheet . I need PLSQL Procedure or used by SQL PLUS

7 Answers   Polaris,

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IN A TABLE HAVE ONE COLUMN PRIMARY KEY..IT WILL NOT ALLOWS NULL VALUES AND DUPLICATE VALUES..INSTEAD OF PRIMARY KEY WHY CANT WE USE UNIQUE AND NOT NULL.THESE TWO ALSO DOESNT ACCEPT NULL VALUES IN NOT NULL AND UNIQUE DOESNT ACCEPT DUPLICATE VALUES? SO WHAT IS THE DIFEERENCE BETWEEN(UNIQUE,NOT NULL) AND PRIMARY KEY??????

8 Answers   rsystems,

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