Coginiti menu Coginiti menu
SQL Tutorial
Data Modeling and Architecture Terminology Guide
A Brief History of SQL and its Usefulness
What are Different Types of Databases?
Writing SQL in Coginiti
Beginner
SQL Select
SQL Limit
SQL Where
SQL Create Table & Insert Into
SQL Comparison Operators
SQL Logical Operators
SQL In
SQL Like
SQL Is Null
SQL Between
SQL And, Or
SQL Not
SQL Order by
Export Data
Create a Table
Drop a Table
Create a View
SQL Parameters
Drop a View
Rename a Table
SQL Delete
Add a Column
Drop a Column
SQL Update
SQL Insert
Rename a Column
Intermediate
SQL Aggregate Functions
SQL Count
SQL Sum
SQL Min/Max
SQL Average
SQL Group by
SQL Case
SQL Having
Pivoting Data
Transpose Data
SQL Join
SQL Distinct
SQL Joins on Multiple Keys
SQL Union
Data Types
Precision and Scale
Subqueries
SQL Date Formats
Snowflake Advanced Date Formatting
Redshift TO_CHAR for Dates
BigQuery Date Formatting Functions
SQL Window Functions
Charting
String Functions in SQL
A Quick Guide to Pivoting Data
Advanced
Databricks SQL Functions
Trino Advanced SQL
CoginitiScript Macros
Churn Rate
Index in SQL
Query Date and Time
Group by Time
Round Timestamps
Get the First Row per Group
CoginitiScript Constants
Analysis
Coalesce in SQL
Calculating Percentiles
How to Do Type Casting
Import a CSV
Compare Values When One Is Null
How to Query a JSON Column
How to Write a Case Statement
How to Have Multiple Counts
Using a Common Table Expression (CTE)
Calculate Cumulative Sum (Running Total)

Writing SQL in Coginiti

What is Coginiti?

Coginiti is a data analysis platform that makes data analysis tasks easier and more productive.  SQL professionals use Coginiti to interact with data across a wide variety of data platforms.  Coginiti users can save queries, refine them, share them, and run them on different databases.

Step 1: Download & Install Coginiti Pro

Click the “Try Free” button on the Coginiti Pro product page, then select your operating system.  Coginiti Pro is available for both Windows and MacOS.

Step 2: Register Coginiti Pro

When you run Coginiti Pro for the first time, you will receive an email with your 30-day trial license key for product activation. You’ll need to apply this license key to unlock Coginiti.

Step 3: Connect Coginiti to a Supported Database to get started

To start practicing SQL you will need to be able to connect to a database.

Coginiti offers native support for many database platforms, including Azure SQL Server, Azure Synapse, Google BigQuery, IBM DB2, Greenplum, Apache Hive, Netezza, PostgreSQL, Amazon Redshift, Snowflake, Microsoft SQL Server, and Yellowbrick. You can also connect to other databases through our Generic JDBC connection, just bring your the driver for the database to which you would like to connect.

Here’s how to create a new database connection in Coginiti Pro:

  1. Go to File > Edit Connections
  2. Select your Database platform
  3. Enter your connection details, then click Test, then Save

You can find more details on connecting to each platform on our Support website.