Answer / ankush

Data integrity refers to the validity of data, meaning data
is consistent and correct.

Answer / avr murthy

Data integrity allows to define certain data quality
requirements that the data in the database needs to meet.
If a user tries to insert data that doesn't meet these
requirements, Oracle will not allow so.

Answer / naidu

Data integrity is which all the data values stored in the
database are correct and enforcing data integrity ensures
the quality of the data in the database

I want to know the difference between A Record Type and a Table.

3 Answers   Thermotech,

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how to create a new view in mysql? : Sql dba

0 Answers  

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what is the bond code in materialized view?

0 Answers  

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Hi Guys, I have a situation where I need to access the column values from rowtype variable. However, the column names are dynamic. below is sample code: declare Cursor c1 is select * from emp; Cursor c2 is select column_name from xyztable; v_c2 c2%rowtype; v_str varchar2 v_value varchar2(200); begin for rec in c1 loop open c2;---this cursor has column names like EMPLOYEE_ID, FIRST_NAME, LAST_NAME etc. loop fetch c2 into v_c2; exit when c2%notfound; /* now lets say i want to access value of LAST_NAME from cursor c1, so I am writing below code, however it does not work as expected */ v_str:= 'rec.'|| v_c2.column_name; -- this will give me string like "rec.EMPLOYEE_ID" v_value:=v_str; end loop; end loop; end; / Plz help ASAP.Thanks.

2 Answers  

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What is sql*plus?

0 Answers  

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How to change a value of the field ‘salary’ as 7500 for an employee_name ‘john’ in a table employee_details?

0 Answers  

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can we use out parameter in a function?Give an example.

4 Answers   Logica CMG, TCS,

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What has stored procedures in sql?

0 Answers  

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What is the difference between UNIQUE CONSTRAINT and PRIMARY KEY? 1. There is no difference. 2. A PRIMARY KEY cannot be declared on multiple columns. 3. A UNIQUE CONSTRAINT cannot be declared on multiple columns. 4. A table can have multiple PRIMARY KEYS but only one UNIQUE CONSTRAINT. 5. A table can have multiple UNIQUE CONSTRAINTs but only one PRIMARY KEY.

7 Answers   Satyam,

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What is difference between inner join and self join?

0 Answers  

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What is Pragma EXECPTION_INIT ? Explain the usage ?

2 Answers  

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Is sql port 1433 encrypted?

0 Answers  

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