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Top 100+ questions and answers in Sql
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Sql
0
votes
Q: What are functions and their usage in SQL?
answered
Nov 8
in
Sql
by
rajeshsharma
sql-functions
0
votes
Q: Is a blank space or zero the same as a NULL value?
answered
Nov 8
in
Sql
by
rajeshsharma
null-value
0
votes
Q: What is the ACID property in a database?
answered
Nov 8
in
Sql
by
rajeshsharma
acid-property
0
votes
Q: What is the difference between DELETE and TRUNCATE statements?
answered
Nov 8
in
Sql
by
rajeshsharma
#delete
#truncate
#truncate-sql
0
votes
Q: Write the SQL query to get the third maximum salary of an employee from a table named employees.
answered
Nov 8
in
Sql
by
rajeshsharma
sql-query
0
votes
Q: How to write an SQL query to find students' names start with 'A'?
answered
Nov 8
in
Sql
by
rajeshsharma
sql-query
0
votes
Q: What is a constraint? Tell me about its various levels.
answered
Nov 8
in
Sql
by
rajeshsharma
constraints
0
votes
Q: What is the difference between IN and BETWEEN operators?
answered
Nov 8
in
Sql
by
rajeshsharma
in-operator
between-operator
0
votes
Q: What are the set operators in SQL?
answered
Nov 8
in
Sql
by
rajeshsharma
set-operator
0
votes
Q: What is self-join and what is the requirement of self-join?
answered
Nov 8
in
Sql
by
rajeshsharma
self-join
self-join-requirements
0
votes
Q: What is a Trigger in SQL?
answered
Nov 8
in
Sql
by
rajeshsharma
#sql-trigger
#trigger-sql
0
votes
Q: What is Full Join in SQL?
answered
Nov 8
in
Sql
by
rajeshsharma
full-join
0
votes
Q: What is Left Join in SQL?
answered
Nov 8
in
Sql
by
rajeshsharma
left-join
0
votes
Q: What is the Right JOIN in SQL?
answered
Nov 8
in
Sql
by
rajeshsharma
right-join
0
votes
Q: What is INNER JOIN in SQL?
answered
Nov 8
in
Sql
by
rajeshsharma
inner-join
0
votes
Q: What are the different types of joins in SQL?
answered
Nov 8
in
Sql
by
rajeshsharma
joins-types
0
votes
Q: Which are joins in SQL? Name the most commonly used SQL joins?
answered
Nov 7
in
Sql
by
rajeshsharma
sql-joins
0
votes
Q: What is the SQL query to display the current date?
answered
Nov 7
in
Sql
by
rajeshsharma
sql-query
0
votes
Q: What is the difference between clustered and non-clustered indexes in SQL?
answered
Nov 7
in
Sql
by
rajeshsharma
sql-index
0
votes
Q: Is it possible to sort a column using a column alias?
answered
Nov 7
in
Sql
by
rajeshsharma
column-alias
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