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What is Data Definition Language with Examples | Create table in SQL #sql #sqltips
What is Data Definition Language with Examples | Create table in SQL #sql #sqltips
Welcome to our in-depth guide on Data Definition Language (DDL) in SQL! In this video, we explore the core commands of DDL that are essential for defining and managing the structure of your databases. From creating and modifying tables to managing indexes and views, we cover it all with real-world examples. Whether you're a beginner or looking to refine your database management skills, this video is packed with practical insights and tips.
👨‍💻 What You'll Learn:
1. CREATE Command:
- Learn how to create tables and other database objects.
- Example:
```sql
CREATE TABLE employees (
employee_id INT PRIMARY KEY,
name VARCHAR(50),
position VARCHAR(50),
salary DECIMAL(10, 2)
);
```
2. ALTER Command:
- Discover how to modify the structure of existing database objects.
- Example:
```sql
ALTER TABLE employees
ADD email VARCHAR(100);
```
3. DROP Command:
- Understand how to delete database objects.
- Example:
```sql
DROP TABLE employees;
```
4. TRUNCATE Command:
- Learn how to quickly remove all records from a table.
- Example:
```sql
TRUNCATE TABLE employees;
```
💼 Why It's Important:
- DDL commands are fundamental for database management and ensure the proper structure and organization of data.
- Mastering DDL is crucial for database administrators, developers, and anyone involved in managing data.
Don't forget to like, comment, and subscribe for more videos on SQL and database management!
🔗 Hashtags:
#DataDefinitionLanguage #DDL #SQL #DatabaseManagement #CreateTable #AlterTable #DropTable #SQLCommands #TechTutorial #DatabaseDesign #Programming #ITSkills #LearnSQL
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มุมมอง: 40

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ความคิดเห็น

  • @shauryawahane9540
    @shauryawahane9540 16 ชั่วโมงที่ผ่านมา

    sir i text u mail but u didnt set so far

  • @arthurdjoufack5312
    @arthurdjoufack5312 วันที่ผ่านมา

    I just emailed you

  • @knowaboutindia4519
    @knowaboutindia4519 วันที่ผ่านมา

    If we use the autosys in CLI mode then we don't have to write command

  • @knowaboutindia4519
    @knowaboutindia4519 วันที่ผ่านมา

    1.What will be our answer if they asked how you check your logs. ( In our application is that possible). 2. What is 5 why?. Answer please

  • @danielbrown5905
    @danielbrown5905 วันที่ผ่านมา

    thanks!

  • @harshchilakamarri
    @harshchilakamarri 3 วันที่ผ่านมา

    I work for a project where I give maintenance support to applications/tools which were built using Java and Perl on Linux servers, if any issues or any new functionality is needed then I should handle and develop it and resolve the issues by debugging the production code. So will it come under application support or Production support?

  • @Rajivpandit-u5u
    @Rajivpandit-u5u 4 วันที่ผ่านมา

    Perfect explanation

  • @surajkamble3538
    @surajkamble3538 4 วันที่ผ่านมา

    Sir please make interview questions on cronjob also

  • @piyushbadare1633
    @piyushbadare1633 5 วันที่ผ่านมา

    Can you please send pdf file.

  • @AD-mh7et
    @AD-mh7et 5 วันที่ผ่านมา

    Share pdf for this pls

  • @Rajkumar_88810
    @Rajkumar_88810 6 วันที่ผ่านมา

    Its a very usefull ❤ thank you so much for ur time

  • @priyadubey4950
    @priyadubey4950 7 วันที่ผ่านมา

    What is best to learn Unix or Linux for Application support engineer??

  • @DeepakKumar-y4s3c
    @DeepakKumar-y4s3c 7 วันที่ผ่านมา

    I have send the email,can you please share me the questions?

  • @Apoorwa_atp
    @Apoorwa_atp 8 วันที่ผ่านมา

    Thank you 🙏🏼 for the suggestion

  • @lahudevmane1104
    @lahudevmane1104 8 วันที่ผ่านมา

    How to contact you?

    • @itcertificationsguru
      @itcertificationsguru 7 วันที่ผ่านมา

      U can connect me over mail mentioned in video

  • @kashiftabarak3338
    @kashiftabarak3338 9 วันที่ผ่านมา

    Hi sir.. I have sent you the mail pls check and advise

  • @lekkalaparasuram4529
    @lekkalaparasuram4529 9 วันที่ผ่านมา

    Send pdf

  • @Rajivpandit-u5u
    @Rajivpandit-u5u 11 วันที่ผ่านมา

    Nice information

  • @AmitShiravadekar-n5c
    @AmitShiravadekar-n5c 11 วันที่ผ่านมา

    Good information😮

  • @priyadubey4950
    @priyadubey4950 11 วันที่ผ่านมา

    Thank you for sharing all the tips. Could you pleaee help to know that how to check database index and use of optimized query. Please reply as m preparing for interview and your response will help me alot.

    • @itcertificationsguru
      @itcertificationsguru 11 วันที่ผ่านมา

      There is explain plan concept in databases with that u can check index. Or there is internal oracle table to maintain indexes

  • @priyankavetri
    @priyankavetri 11 วันที่ผ่านมา

    Teaching support and application support are same?

    • @itcertificationsguru
      @itcertificationsguru 11 วันที่ผ่านมา

      Are u talking about tech support ? Tech support and app support is similar@priyankavetri

  • @ramusuryawanshi5058
    @ramusuryawanshi5058 12 วันที่ผ่านมา

    Send me pdf desktop support Engineer

  • @Nafees.Siddiqui1
    @Nafees.Siddiqui1 12 วันที่ผ่านมา

    Sir question pdf send kar do

    • @itcertificationsguru
      @itcertificationsguru 11 วันที่ผ่านมา

      Pls send Mail to mail id mentioned in video

  • @abhaypatilpawar
    @abhaypatilpawar 12 วันที่ผ่านมา

    Thanks for this video please send me this question.

  • @shahrukhhasankhan5668
    @shahrukhhasankhan5668 13 วันที่ผ่านมา

    Sir interview questions pdf dedo mail 2 bar kr chuka hun channel subscribe kr chuka hu

  • @nicolepinhal5636
    @nicolepinhal5636 13 วันที่ผ่านมา

    Great channel thank you, check your email, please

  • @sachintarudkar9686
    @sachintarudkar9686 14 วันที่ผ่านมา

    Hi friend Scenario interview Application for It is very good 🤘🤛

  • @shahrukhhasankhan5668
    @shahrukhhasankhan5668 14 วันที่ผ่านมา

    Sir please mail interview questions

  • @shahrukhhasankhan5668
    @shahrukhhasankhan5668 14 วันที่ผ่านมา

    Hi i want question PDF. I have subscribed your channel.

  • @avinashnangare9273
    @avinashnangare9273 16 วันที่ผ่านมา

    Thanks for this beautiful video please send me this q.

  • @pittumahalakshmi
    @pittumahalakshmi 17 วันที่ผ่านมา

    very useful ...... thank you

  • @Elijah-v8x7n
    @Elijah-v8x7n 17 วันที่ผ่านมา

    Please send me the interview pdf. I already emailed you. Thanks 👍

  • @avinashkumbhar2295
    @avinashkumbhar2295 19 วันที่ผ่านมา

    Interview questions pdf

  • @AmitShiravadekar-n5c
    @AmitShiravadekar-n5c 20 วันที่ผ่านมา

    Lovely interview questions

  • @Rajivpandit-u5u
    @Rajivpandit-u5u 20 วันที่ผ่านมา

    Nice information ❤

  • @AmitShiravadekar-n5c
    @AmitShiravadekar-n5c 20 วันที่ผ่านมา

    🎉🎉🎉

  • @growingindia6474
    @growingindia6474 20 วันที่ผ่านมา

    Pdf

  • @growingindia6474
    @growingindia6474 20 วันที่ผ่านมา

    PDF

  • @c4b4mukteshvodnala71
    @c4b4mukteshvodnala71 20 วันที่ผ่านมา

    send me interview questions

  • @snehadutta7571
    @snehadutta7571 21 วันที่ผ่านมา

    Share me interview questions

  • @Utkarsssh
    @Utkarsssh 21 วันที่ผ่านมา

    Hi, I have emailed you. Please provide Application Support/production Support questions pdf. Thanks.

  • @rashmipal1596
    @rashmipal1596 21 วันที่ผ่านมา

    Please share me tcs interview questions for freshers

  • @abhinavkumar-mf2qx
    @abhinavkumar-mf2qx 21 วันที่ผ่านมา

    👍 sir your video is really helpful. I' ve subscribed , and have sent you a mail regarding the PDF File as i have an interview lined up.

  • @aknahal
    @aknahal 22 วันที่ผ่านมา

    MacCoffeee

  • @supriyatiple5192
    @supriyatiple5192 22 วันที่ผ่านมา

    Share me interview questions please

  • @sumitkank
    @sumitkank 25 วันที่ผ่านมา

    please provide Application Support Engineer interview question

  • @akashparghane8823
    @akashparghane8823 26 วันที่ผ่านมา

    Pls send the pdf

  • @rajapanda5811
    @rajapanda5811 27 วันที่ผ่านมา

    How much salary we can expect with 2.2 years of exp

  • @sanketshrivastava8676
    @sanketshrivastava8676 27 วันที่ผ่านมา

    Really a great explanation and better known the roles and responsibilities of Scrum Master

  • @powerpriceaction8279
    @powerpriceaction8279 หลายเดือนก่อน

    Hi sir, i had send mail for L2 support interview questions