SQL Server DBA Training

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.

Difference Between SQL & SQL Server

SQL Server is an RDBMS just like oracle,DB2 from Microsoft

Structured Query Language (SQL), pronounced “sequel”, is a language that provides an interface to relational database systems. It is an open, vendor-independentIt was developed by IBM in the 1970s for use in System R. SQL is a de facto standard, as well as an ISO and ANSI standard. SQL is used to perform various operations on RDBMS

SQL is the basic ANSI standard for accessing data in a relational database. When you see “MSSQL” it is referring to Microsoft SQL Server, which is the entire database architecture and not a language. T-SQL is the proprietary form of SQL used by Microsoft SQL Server. It includes special functions like cast, convert, date(), etc. that are not part of the ANSI standard.

You will also see things like plSQL, which is Oracle’s version of SQL, and there are others as well (mySQL has its own version, for example, and Microsoft Access uses Jet SQL.)

It is important to note the the ANSI standard for SQL has different releases (for example, 92 or 99, representing the year it was released.). Different database engines will advertise themselves as “mostly ANSI-92” compliant or “fully ANSI-99” compliant, etc, and any exceptions will usually be documented.

So although “SQL is SQL”, every engine uses its own “flavor” of it, and you do have to do a little reading on the particular platform before you just dive in.

A further note – the SQL extensions, like T-SQL, are generally considered full-fledged programming languages, complete with looping, if/then, case statements, etc. SQL itself is limited to simply querying and updating data and is not considered a true programming language.

For More Information Please Click On This Link : SQL & SQL Server, T-SQL

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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SQL DBA LIVE Online Training with Real-time Project

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Good working knowledge on SQL Server 2008, 2008 R2, and 2012
Sound fundamentals of Database – Knowledge of configuring database clients, establishing a connection and creating a session.

 

Understands the physical structure and memory structure. Knows different types of indexes and their uses Database Architecture, Basic Administration, Security and Auditing – Familiarity with key components of database architecture.

Strong Knowledge on Clustering Configuration of SQL Server Client components, Knowledge on SQL Server logins, users and schemas.
OS administration knowledge, OS parameters for configuring SQL Server database, understanding of SQL Server security and audit parameters.
Familiarity with User administration. Understanding of MS SQL Server security and audit parameters.
Backup/ Recovery and Performance Tuning – Knowledge about different Backup and Recovery options. Familiar with Export, User managed backups.
Understanding of types of failures in a database environment, Knowledge about Database Performance tuning.
Understanding of CPU, Disk I/O and other memory components.

Analyse and report minor performance issues and report.

Enterprise Management Tools and High Availability architecture: Monitoring database server using SQL Server profiler tool.
Proactive monitoring and administration: Basic understanding of SQL Server Management Studio

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Free demo scheduled for SQL DBA @ Dec 31st.

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After the course participants shall be able to:

Understand SQL Server Database Design and Tables
Work with real-world issues on Views and Procedures
Exhibit Query Writing skills and Tuning with CTE
Implement DR and HA Techniques in a Cluster Environment
Troubleshoot Issues, Repairs and Management Alerts
Perform Upgrades, Patches and Migrations in SQL Clusters

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