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Blockchain Smart Contract Theory Behind

The smart contract in Blockchain is a kind of software application that works without human intervention based on the transaction logs and provide a solution to the user request. 
I want to share the back end mechanism in the Smart Contract of Blockchain.

Smart Contract Mechanism What is Smart ContractA smart contract is a protocol which can auto-execute, facilitate, verify, or enforce the negotiation of a contract.Agreement between two parties you can say as a contract.Incorporating the rules of the physical contract into the computing world, you can say as a smart contractBlockchain supports you to create smart contracts.Smart Contracts are self-executing programs which run on the blockchain and are capable of enforcing rulesUsing Blockchain as a platform and making an agreement or contract between more than two parties, you can say as Smart Contract.Traditional Markets  4 Top Benefits of Smart ContractCurrently, smart contracts are being used only in Crypto CurrenciesNow Smart Contra…

4 Top built-in functions in SQL with Examples

You can find there are four different types of functions in SQL. All these functions are built-in functions. You no need to create these functions, and these come with your SQL.

sql built-in functions with examples

I am discussing today the SQL functions List.

SQL functions

  1. DATE-TIME functions
  2. Numeric functions
  3. Char functions
  4. Null-related functions

1. DATE-TIME functions

These functions are useful to get DATE and Time. Also, you can covert the DATE and TIME to Char. These are TO_CHAR, CURRENT_DATE, and CURRENT_TIME.


2. Numeric Functions

These functions you can use for numeric calculations. Those are TRUNC, SIGN, ROUND, ABS.

3. Char Functions

To handle string related tasks you can use CHAR functions. The CHAR functions are like SUBSTR, CONCAT, LENGTH.

4. NULL related functions

To handle null values you can use different functions. Those are COALESCE, NVL, NULLIF

This post covered all your answers for the SQL functions list, SQL built-in functions in Oracle, and SQL functions in any DBMS.



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Summary

I have explained in this post about four different types of SQL built-in functions for your quick reference.

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