Introduction to SQL | SQL Tutorial for Beginners | G C Reddy |

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  • Опубликовано: 21 окт 2024

Комментарии • 103

  • @gcreddy
    @gcreddy  8 лет назад +48

    Class Notes:
    Introduction to SQL (Structured Query Language)
    1) What is SQL?
    2) Purpose of SQL
    3) Who should learn SQL?
    4) What are the subsets of SQL?
    5) Data Definition Language
    6) Data Manipulation Language
    7) Data Control Language
    ------------------------------------------
    1) What is SQL?
    > SQL stands for Structured Query Language
    > SQL was initially developed at IBM in 1970s
    > SQL is the standard language to communicate with relational database management systems like
    Oracle, MS Access, MS SQL Server, MySQL, DB2, Sybase Etc...
    ----------------------------------------------------
    2) Purpose of SQL
    > SQL is used to Create New Databases
    > SQL is used to Create New Tables in a Database
    > SQL is used to Insert records in a Database
    > SQL is used to Update records in a Database
    > SQL is used to Delete records in a Database
    > SQL is used to Retrieve data from a Database
    > SQL is used to execute queries against a Database
    > SQL can set permissions on tables, procedures and views
    > SQL is used to Create stored procedures in a Database
    > SQL is used to Create views in a Database
    ---------------------------------------------------------
    3) Who should learn SQL?
    i) Database Developers
    > Design and deploy Database table structures, forms, reports and queries etc...
    ii) Database Administrators (DBA)
    > Keeping databases up to date and managing database access
    > Writing Reports, documentation and operating manuals
    iii) Database Testers
    > Verify Data Integrity
    > Verify Data Manipulations (Add, Update and Delete)
    > Verify Data comparisons
    -------------------------------------------
    4) What are the subsets of SQL?
    SQL Commands can be classified in to groups based on their nature, they are,
    i) Data Definition Language
    ii) Data Manipulation Language
    iii) Data Control Language
    ------------------------------------------------------
    5) Data Definition Language
    Important Commands and Operations in Data Definition Language
    i) Create: To create databases and database objects
    ii) Alter: To modify existing database objects
    iii) Drop: To drop databases and databases objects
    iv) Truncate: To remove all records from a table
    v) Rename: To rename database objects
    ----------------------------------------------------------
    6) Data Manipulation Language
    Important Commands and Operations in Data Manipulation Language
    i) Select: To select specific data from a database
    ii) Insert: To insert new records in a table
    iii) Update: To update existing records
    iv) Delete: To delete existing records from a table
    --------------------------------------------------------
    7) Data Control Language
    Important Commands and Operations in Data Control Language
    i) Grant: To provide access on the Database objects to the users
    ii) Revoke: to remove user access rights to the database objects
    iii) Deny: To deny permissions to users.
    ----------------------------------------------------

    • @Nettvmemomries
      @Nettvmemomries 7 лет назад +2

      i like your explanation skills sir .. could you please tell SQL DBA .. as same.. how can i contact with you sir

    • @muzamilkhanp224
      @muzamilkhanp224 6 лет назад

      good notes to learn

    • @manishayadav1877
      @manishayadav1877 6 лет назад

      G C Reddy Tanki sir

    • @gcreddy
      @gcreddy  6 лет назад

      Welcome

    • @gcreddy
      @gcreddy  6 лет назад

      Welcome

  • @nileshpatel-zh5bl
    @nileshpatel-zh5bl 7 лет назад +3

    sir i am daily watch your all video and tray to learn batter of testing and i have many classes attend but not proper learn and don't of practical practice by any institute.... you are best teaching

  • @VijayKumarjetta
    @VijayKumarjetta 8 лет назад +12

    Your tutorial is really usefull . If you speed up the explanation it will be amazing.

    • @ramana9525
      @ramana9525 7 лет назад +2

      change the settings of you tube ,u can increase the speed

  • @vikrantsingh6638
    @vikrantsingh6638 7 лет назад

    i have gone through the selenium and SQL tutorials by GC reddy sir and i am very satisfied by the way he teaches things from basics.
    Thank you sir

  • @SuperKiran7777
    @SuperKiran7777 8 лет назад

    Reddy Garu thank u for providing SQL Tutorial Very clear Explanation plz provide complete tutorails

  • @Ashishkumar-qs2ql
    @Ashishkumar-qs2ql 4 года назад

    U teaching very well sir ,I like ur teaching style,,, but sir there are no more SQL tutorial on RUclips plz upload,,,,,,,,,,,,,,

  • @naveennaveen-vb9br
    @naveennaveen-vb9br 8 лет назад

    superb GC sir please provide complete tutorial and it useful for who cannot effort money for courses
    soooo good explanation

  • @davidprasad65
    @davidprasad65 7 лет назад

    Your tutorial is Awesome.Thank you Sir.

  • @srujan00
    @srujan00 6 лет назад

    Thanks again Mr. Reddy. Your RUclips videos are great.

  • @prathapv3993
    @prathapv3993 6 лет назад

    Thank you sir ,excellent teaching .This video greatly help me to understand about SQL

  • @nehaghosh62
    @nehaghosh62 6 лет назад

    Hi sir your videos are really superb especially providing with practical solutions..Request you to add few more videos on group by, subqueries related problems on large datasets thanks

  • @ajaykumarappala998
    @ajaykumarappala998 7 лет назад +39

    set the playback speed 1.5x thank me later

  • @chandrakanththigulla8946
    @chandrakanththigulla8946 6 лет назад

    Thank you so much Sir, for the lesson it's very useful and very good explanation.

  • @aditharun7354
    @aditharun7354 5 лет назад +1

    Thank you Sir !

  • @ranapratapsingh1986
    @ranapratapsingh1986 6 лет назад

    the way u teaching is good sir

  • @ammar779
    @ammar779 7 лет назад

    thank you so much Sir fro the lesson it's very useful and very good explanation.

    • @gcreddy
      @gcreddy  7 лет назад +1

      You are Welcome.

  • @anurag1052
    @anurag1052 8 лет назад +2

    GC sir, a very good start.

  • @rajasekharreddy8367
    @rajasekharreddy8367 6 лет назад

    thank you sir, excellent teaching. but tell me remaining two tcl,dql sql statments plz

  • @gcreddy
    @gcreddy  8 лет назад +7

    Spelling / Typing Mistakes in this Video Tutorial:
    Difinitation Language - Incorrect
    Definition Language - Correct
    Admistrators - Incorrect
    Administrators - Correct
    and some more...

    • @arjun1799
      @arjun1799 7 лет назад

      I am mechanical student ..
      can I able to learn this course ..
      and what are basic things first I should to know..
      plz suggest me sir

    • @kkrules01
      @kkrules01 7 лет назад +1

      handral r. Bro don't worry even I am a mechanical graduate, when I started to learn about these things I too asked a same question but now I am working as software developer. After my graduation only I started to learn these things. Never lose hope, just start to learn. Actually his videos are great, pls follow this videos.

    • @Poojithathopireddy
      @Poojithathopireddy 6 лет назад

      Give me ur number sir I have some doubts

    • @yaminirasaputhra869
      @yaminirasaputhra869 6 лет назад

      @@kkrules01 hey, even I am a mechanical graduate. Looking to get into software. Can I get any advice how to start and where to start from?

  • @likitham3362
    @likitham3362 3 года назад

    so nice vedio
    but how to practice tell me that also sir

    • @gcreddy
      @gcreddy  3 года назад

      ruclips.net/video/ounHNLujq9o/видео.html

  • @viraatthokaasepu9764
    @viraatthokaasepu9764 5 лет назад

    What is the difference between revoke and deny commands

  • @gn00071
    @gn00071 7 лет назад

    I have a table call member and which has FName,DOB columns. I was able to get age from the DOB Now need to get AgeRange field based on following range(0-18,19-30,30-99) for my C# project. How do I achieve this in SQL
    "SELECT FName,DOB, TIMESTAMPDIFF(YEAR,DOB,CURDATE()) AS Age,Mobile FROM members"
    Please help me .

  • @manubolumohan9701
    @manubolumohan9701 6 лет назад

    Sir explain every word. Like (what is mean by relational and some important word's)

  • @konduruvijaya4963
    @konduruvijaya4963 6 лет назад

    This video is very useful

  • @amadhavi5190
    @amadhavi5190 6 лет назад

    sir
    I HAVE ONE DOUBT
    1)WHAT is the use of creating views in databse.....

  • @somu226
    @somu226 6 лет назад

    It's very very nice & gd job sir.. 👍

  • @smartheart2891
    @smartheart2891 7 лет назад

    hi sir tanx for the information about SQL my question is my sister 12th student can do any technical course like SQL and UNIX r Hadoop can do some course institute telling​ should be graduate am thinking that not like that is can do the course please help her in career

  • @cosmicgoldgaming69
    @cosmicgoldgaming69 6 лет назад

    Thankyou sir able to understand clearly

  • @sqlgeekspro3525
    @sqlgeekspro3525 7 лет назад

    Well explained.

  • @antonyjayaraj95
    @antonyjayaraj95 6 лет назад

    Thanks for teaching sir

  • @vactum0
    @vactum0 5 лет назад

    What about DQL?

  • @TejpalNakul
    @TejpalNakul 7 лет назад

    gd mng sir i am very confuised just now days could you help me sir
    how can i use develop mobile apps which language will help me better .

  • @emilley2875
    @emilley2875 8 лет назад

    Hi sir how can I contact you ?? I want to take classes for QTP and QC. Plz let me know

  • @swathijarubula7433
    @swathijarubula7433 8 лет назад +1

    G C Sir plz provide all sql tutorials

    • @gcreddy
      @gcreddy  8 лет назад +1

      Yes, I am planning to provide all SQL Tutorials.

  • @LokiahGr
    @LokiahGr 6 лет назад

    Good job Sir :) God bless you

  • @rehanorkut
    @rehanorkut 6 лет назад

    Excellent Video do you even teach Pl Sql please advise

  • @sandipbhattarai184
    @sandipbhattarai184 7 лет назад

    sir can we recovery the data after restoring new database

  • @anupamthakur9870
    @anupamthakur9870 6 лет назад

    hi sir, there is any another command accept "desc" for table

  • @ArshadIbrahimable
    @ArshadIbrahimable 7 лет назад

    Well Hope I M software developer in vfp and I convert to my self in oracle please help me and I some confusing

  • @HARISHBUDDY
    @HARISHBUDDY 6 лет назад

    Sir i want to join in your institution . Your teaching skill is excellent sir please can you share your institution location .

    • @gcreddy
      @gcreddy  6 лет назад +1

      I am not conducting Class Room Training, conducting Online Training only and you can learn Software Testing by watching our free videos.

  • @rehanorkut
    @rehanorkut 6 лет назад

    Thanks for your reply
    Do you know anyone who teaches oracle Pl/SQL online ?
    As I want to get certified in that

  • @sadafrasheed3372
    @sadafrasheed3372 7 лет назад

    sir mai computer science ki student hun mujhe final year ka project banana hai please sir ap koe good idea dain..........

  • @poonamvishwakarma1291
    @poonamvishwakarma1291 7 лет назад

    Very Nice Video..

    • @gcreddy
      @gcreddy  7 лет назад +1

      Welcome

    • @gcreddy
      @gcreddy  7 лет назад +1

      Selenium Step by Step Videos
      ruclips.net/p/PLyGqUe6Oa_5Elc-Dv9jPzHKDx-m2GvMOd
      UFT (formerly QTP) Step by Step Videos
      ruclips.net/p/PLyGqUe6Oa_5HAIz0A-p_H48-cKXwNK0ZA
      SQL Step by Step Videos
      ruclips.net/p/PLyGqUe6Oa_5Hcb_5QqXIsMZhvsm7Bo_-Z

    • @poonamvishwakarma1291
      @poonamvishwakarma1291 7 лет назад

      sir ,when will provide the next tutorials of SQL???

  • @pundukra3488
    @pundukra3488 6 лет назад

    sir what mean by sql Db

  • @publicpoint1032
    @publicpoint1032 7 лет назад

    totally how many class are taken to finish sql sir plz rly, bcz i need some basic knowledge for me to do my job rly sir

  • @LuckyStar-sq9io
    @LuckyStar-sq9io 8 лет назад

    how to fix the error on connection in SQLyog sir

  • @Akashavani7
    @Akashavani7 7 лет назад +1

    gud information sir

  • @netraraghu2075
    @netraraghu2075 6 лет назад

    Good teaching

  • @saibharath2808
    @saibharath2808 6 лет назад

    How to install sql in PC

  • @pjclubnrt1628
    @pjclubnrt1628 6 лет назад

    Sir SQL and sql server are different r not
    Is there any types of SQL ?

    • @gcreddy
      @gcreddy  6 лет назад

      Yes, SQL and MS SQL Server are different,
      SQL is a database language,
      SQL Server is a RDBMS (Relational Database Management System),
      We use SQL for Oracle, SQL Server, MySQL, SyBase etc...to create and manage Databases...

  • @sandeepreddy5433
    @sandeepreddy5433 6 лет назад +1

    Jai Ballaya sir

  • @aleenalaique6618
    @aleenalaique6618 7 лет назад +1

    Sir i am a 12 standard student(pcm). Is it possible for me to learn SQL? I badly want to learn it but i am not understanding anything. What ought I do?
    Sir pls do reply. Waiting for your message.
    Thank you

    • @gcreddy
      @gcreddy  7 лет назад +2

      Try, You can learn...

    • @arunca8636
      @arunca8636 6 лет назад

      DId you learn ?

  • @er.abhishek1108
    @er.abhishek1108 7 лет назад

    Speed is very slow. VERY Slow. Don't repeat words.

  • @shreyamadan691
    @shreyamadan691 8 лет назад +1

    Sir do you have ETL video?

    • @gcreddy
      @gcreddy  8 лет назад

      No, I don't have.

    • @nanda4131
      @nanda4131 7 лет назад

      G C Reddy hello sir u r doing great work.. thank you so much..
      can u do videos on ETL also..

    • @gcreddy
      @gcreddy  7 лет назад +2

      Welcome, I am planning to provide ETL Videos also.

    • @nanda4131
      @nanda4131 7 лет назад

      thank you sir

    • @SunilKumarMalepati
      @SunilKumarMalepati 6 лет назад

      Sir any update on ETL testing videos sir

  • @vijuvijaykumarreddy9336
    @vijuvijaykumarreddy9336 7 лет назад

    share me notes and interview question

    • @gcreddy
      @gcreddy  7 лет назад +5

      Class Notes also available in the Video Page (I posted the Class Notes as Comment)

  • @priyathota6525
    @priyathota6525 7 лет назад

    G