Interview Questions

Data cleaning is also known as data scrubbing. Data cleaning is a process which ensures the set of data is correct and accurate. Data accuracy and consistency, data integration is checked during data cleaning. Data cleaning can be applied for a set of records or multiple sets of data which need to be merged.

Data cleaning is performed by reading all records in a set and verifying their accuracy. Typos and spelling errors are rectified. Mislabeled data if available is labeled and filed. Incomplete or missing entries are completed. Unrecoverable records are purged, for not to take space and inefficient operations.

After posting the all accounts in the Ledger a statement is prepared to showing debit and credit balances.Debit balances must be tally with the Credit side balance is called trial balance

According to one-definition rule, C++ constructs must be identically defined in every compilation unit they are used in. 

As per ODR, two definitions contained in different source files are called to be identically defined if they token-for-token identical. The tokens should have same meaning in both source files. 

Identically defined doesn’t mean character-by-character equivalence. Two definitions can have different whitespace or comments and yet be identical.

Locking is a mechanism to ensure data integrity while allowing maximum concurrent access to data. It is used to implement concurrency control when multiple users access table to manipulate its data at the same time.

Advantages :

- Avoids deadlock conditions

- Avoids clashes in capturing the resources

STL stands for Standard Template Library. It is a library of container templates approved by the ANSI committee for inclusion in the standard C++ specification.

Galloping inflation is also known as jumping inflation.

It refers to a type of inflation that occurs when the prices of goods and services increase at the two-digit or three-digit rate per annum.

A conversion constructor declared with the explicit keyword. The compiler does not use an explicit constructor to implement an implied conversion of types. It’s purpose is reserved explicitly for construction

Finance:It is the branch of economics that studies the management of money and other assets.In simpler terms it can be defined as the commercial activity of providing funds and capital.It addresses questions like -- what funds are required by the org & How they can be raised &  How they have to be allocated etc.

Accounts: It is the occupation of maintaining and auditing records and preparing financial reports for a business. Accounts provides quantitative information about finances. It addresses issues like what amount of funds have been allocated to various activities, how the book-keeping is being done etc.

Both functions are distinct but complimentary to each other.

Finance and accounts are highly specilized and distinct areas and hence most organizations have seperate sections of finance and accounts.