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First Normal Form (1NF)

First Normal Form (1NF)
A database table is said to be in 1NF if it contains no repeating fields/columns.

• Make a separate table for each set of related attributes and give each table a primary key. In simple words we can say it as
• There are no repeating or duplicate fields.
• Each cell contains only a single value.
• Each record is unique and identified by primary key

Example:

ITEM COLORS PRICES TAX
Pen Red,Blue 3.0 0.40
Scale Red,Yellow 3.0 0.40
Pen Red,Blue 3.0 0.40
Bag Blue,Black 120.0 12.52

This table is not in first normal form because:

• A. There are multiple fields in color lab.

• B. Records are repeating (Duplicate records) or no primary key. First Normal Form (1NF)

ITEM COLORS PRICES TAX
Pen Red 3.0 0.40
Pen Blue 3.0 0.40
Scale Red 3.0 0.40
Scale Yellow 3.0 0.40
Bag Blue 120.0 12.52
Bag Black 120.0 12.52

This table is now in first normal form.

SQL Server next version CTP 1.4

Microsoft is excited to announce a new preview for the next version of SQL Server (SQL Server v.Next). Community Technology Preview (CTP) 1.4 is available on both Windows and Linux. In this preview, they added the ability to schedule jobs using SQL Server Agent on Linux. We can try the preview in your choice of development and test environments now: www.sqlserveronlinux.com.

Key CTP 1.4 enhancements
The primary enhancement to SQL Server v.Next on Linux in this release is the ability to schedule jobs using SQL Server Agent. This functionality helps administrators automate maintenance jobs and other tasks, or run them in response to an event. Some SQL Server Agent functionality is not yet enabled for SQL Server on Linux. To learn more and see sample SQL Server Agent jobs, you can read detailed blog titled “SQL Server on Linux: Running scheduled jobs with SQL Server Agent” or attend an Engineering Town Hall about “SQL Server Agent and Full Text Search in SQL Server on Linux.”

The mssql-server-linux container image on Docker Hub now includes the sqlcmd and bcp command line utilities to make it easier to create and attach databases and automate other actions when working with containers. For additional detail on CTP 1.4, please visit What’s New in SQL Server v.Next, Release Notes and Linux
documentation.

In addition, SQL Server Analysis Services and SQL Server Reporting Services developer tools now support Visual Studio 2017. They are available for installation from the Visual Studio Marketplace providing the option for automatic updates going forward.

 

Get SQL Server v.Next CTP 1.4 today!
Try the preview of the next release of SQL Server today! Get started with the preview of SQL Server with our developer tutorials that show you how to install and use SQL Server v.Next on macOS, Docker, Windows, and Linux and quickly build an app in a programming language of your choice.

SQL DBA Training – LIVE Online Training

SQL DBA Training with Real-time Project, Job Support

SQL DBA Online Training (LIVE, Instructor-Led)
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SQL Server & SQL DBA Training From SQL School

SQL Server & SQL DBA Training From SQL School

 

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SQL Server & SQL DBA Training From SQL School

Microsoft SQL Server Training from SQL School

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