adding new question to database engineering

Gauthamjm007 · Gauthamjm007 · commit 2cbec619bd7d · 2021-05-08T13:23:33.000+05:30
diff --git a/README.md b/README.md
@@ -1716,6 +1716,9 @@
 | 5 | [What are the four Isolation levels?](#what-are-the-four-isolation-levels)
 | 6 | [Which isolation levels can prevent problems that occur in read phenomena?](#which-isolation-levels-can-prevent-problems-that-occur-in-read-phenomena)
 | 7 | [What does Eventually Consistent Mean?](#what-does-eventually-consistent-mean)
+| 8 | [What is indexing in SQL?](#what-is-indexing-in-sql)
+| 9 | [How does SQL create an Index?](#how-does-sql-create-an-index)
+| 10 | [What is difference between index scan and index only scan?](#what-is-difference-between-index-scan-and-index-only-scan)
 
 1. ### What is ACID Model in Database?
    
diff --git a/sentence_to_hashing_converter.js b/sentence_to_hashing_converter.js
@@ -20,4 +20,4 @@ function hashing(num=0,str) {
   return `| ${num} | [${str}?](#${hashed})`
 }
 
-console.log(hashing(27,'Why are goroutines light-weight'));
+console.log(hashing(10,'What is difference between index scan and index only scan'));

Original file line number	Diff line number	Diff line change
`@@ -20,4 +20,4 @@ function hashing(num=0,str) {`
`20`	`20`	return `\| ${num} \| [${str}?](#${hashed})`
`21`	`21`	`}`
`22`	`22`
`23`		`-console.log(hashing(27,'Why are goroutines light-weight'));`
	`23`	`+console.log(hashing(10,'What is difference between index scan and index only scan'));`