SQL
Structured Query Language is a domain-specific language used to manage data, especially in a relational database management system. It is particularly useful in handling structured data, i.e., data incorporating relations among entities and variables.
SQL
- SQL Introduction
- SQL Syntax
- SQL Select
- SQL Select Distinct
- Unique
- SQL Where
- Comments
- Column Aliasing
- SQL Order By
- Relational Operators
- SQL And
- SQL Or
- SQL Not
- Dual table
- Single and Multiple Column Sorting
- SQL Insert Into
- SQL Null Values
- SQL Update
- SQL Delete
- SQL Like Operator
- SQL Wildcards
- SQL In
- SQL Between
- SQL Aliases
- SQL Aggregate Functions
- SQL Min and Max
- SQL Count
- SQL Sum
- SQL Avg
- SQL Variance
- SQL Standard Deviation
- SQL Group by Single and Multiple Column
- SQL Having
- Scalar Functions
- Numeric Functions
- String Functions
- Date Time Functions
- Conversion Functions
- Tables
- SQL Create Table
- SQL Drop Table
- SQL Alter Table
- Primary Key
- Foreign Key
- SQL Constraints
- SQL Not Null
- SQL Check
- SQL Default
- SQL Joins
- SQL Inner Join
- SQL Left Join
- SQL Right Join
- SQL Full Join
- Cross Join
- SQL Self Join
- Natural Join
- Set Operators
- SQL Union
- Intersect
- Minus
- Union all
- SQL Case
- Sub Queries
- Single and multi row
- Multi column sub queries
- SQL Views
- Synonyms
- Indexes
- Sequences
- Data Dictionary
- Analytical Functions
- Raking
- Row_Number
- Rank
- Dense Rank
FAQs
Frequently asked questions
Some of the most common questions.
What is SQL used for?
Structured query language (SQL) is a programming language for storing and processing information in a relational database.
What is SQL full form?
The full form of SQL is Structured Query Language. SQL is a program created and formulated in the Relational Database Management System to handle structured data.
What is SQL in Python?
SQL, which stands for structured query language, is a programming language in which the user queries relational databases. Data scientists use SQL in Python in a variety of instances, dictated by the use case at hand or by personal preference.
Is SQL easy to learn?
The SQL syntax is easy to learn, at J2J Institute professionals with good experience are teaching the students in a easy way.