Subquery : Subquery is query within query.The output of outer query is assigned to the column which is used in where condition of outer query.The…
View More What is difference between subquery and correlated subquery with example?
Category: SQL Tutorials
What is SQL Optimizer and Parser for Oracle? | Types of SQL Optimizer
SQL Optimizer for Oracle : In Previous articles I just explained about the Basics of Performance Tuning.In this article I will explain Parser and Optimizer…
View More What is SQL Optimizer and Parser for Oracle? | Types of SQL Optimizer
What is difference between Rank and Dense_Rank with examples?
In my previous articles I have given the different SQL tutorials. In this article I would like to explain about Difference between Rank and Dense_Rank…
View More What is difference between Rank and Dense_Rank with examples?
What are important new features in Oracle for developers and DBAs?
New Features in Oracle : Oracle has announced the new version Oracle and announced the new features in that version. Oracle has added around 500…
View More What are important new features in Oracle for developers and DBAs?What are SQL Query execution steps with example?
What is SQL Query execution steps with examples? In This article I will explain about all the different SQL Statements which are DDL,DML an DCL.…
View More What are SQL Query execution steps with example?
What are types of indexes in SQL with examples ?
Types of Indexes in SQL : In most of SQL projects the data is in millions and billions. Because of huge volume of the data…
View More What are types of indexes in SQL with examples ?
What are SQL Set Operators?| Intersect and Minus in SQL
Intersect and Minus in SQL : SQL Set Operators combines the result of 2 queries or components on to the single result. The queries containing…
View More What are SQL Set Operators?| Intersect and Minus in SQLWhat is Difference between Union and Union all? | Union vs Union all
SQL Set Operators combines the result of 2 queries or components on to the single result. The queries containing the different set operators like union,…
View More What is Difference between Union and Union all? | Union vs Union all
What are Joins in SQL with industry examples?
Different Joins in SQL : Joins in SQL are nothing but combining the 2 or more tables and fetch the columns from the tables. Joins…
View More What are Joins in SQL with industry examples?
SQL Join Examples for equi join and non equi join
I have already explained about SQL joins in other articles. Here in this article my focus is on SQL Join examples for equi join and…
View More SQL Join Examples for equi join and non equi join