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SQL helps Analysts to perform ETL transactions on required data set in data analysis tasks.We can extract the data from data base, format the data, summarize and analyse it.

SQL Commands for Data Analysis

SQL Commands will help Analyst to create database,creating new tables and views, update or deleting the existing data. SQL commands help to fetch the data from the database and format it to required standards and summarize to perform analysis.

By |February 13th, 2013|SQL|1 Comment

SQL Operators

SQL Operators helps us to write expressions in SQL queries, We use Arithmetic Operators, Comparison Operators, Logical Operators and Wildcard Operators while extracting and summarizing the data for analysis.

By |January 13th, 2013|SQL|1 Comment

SQL Statements

SQL use the term query as the name for its commands. Basically, all SQL code is written in the form of a query statement and then executed against a database.

By |December 25th, 2012|SQL|1 Comment

Basics of Database

RDBMS stands for Relational Database Management System. RDBMS is the basis for SQL, and for all modern database systems like MS SQL Server, IBM DB2, Oracle, MySQL, and Microsoft Access. A Relational database management system (RDBMS) is a database management system (DBMS) that is based on the relational model as introduced by E. F. Codd.

By |December 24th, 2012|SQL|1 Comment

SQL for Data Analysis – An Introduction for beginners

SQL plays an important role in data analysis. When we are analyzing more number of records, we summarize the data and then analyse it. We do lot of ETL tasks to extract the data from data base and clean and format the data. Once we are created a clean data set, we go for analyzing the data to get more insights from the data.

By |December 20th, 2012|SQL|0 Comments