SQL CRUD basics in 5 mins

Learn SQL CRUD basics and Here’s a fast overview of how to utilize them in 5 minutes.

DELETE

To delete data from a table, you can use the DELETE statement. You need to specify the name of the table and a WHERE clause to determine which rows you want to delete. For example, this code deletes all rows from the customer’s table where the name column is equal to ‘Alice’.

SQL
SQL
SQL
DELETE FROM customers
WHERE name = 'Alice';

1 row affected. (Query took 0.0018 seconds.)
DELETE FROM customers WHERE name = ‘Alice’;

Pages: 1 2 3 4 5

How useful was this post?

Click on a star to rate it!

  • ANCOVA: Analysis of Covariance with python

    ANCOVA is an extension of ANOVA (Analysis of Variance) that combines blocks of regression analysis and ANOVA. Which makes it Analysis of Covariance.

  • Learn Python The Fun Way

    What if we learn topics in a desirable way!! What if we learn to write Python codes from gamers data !!

  • Meet the most efficient and intelligent AI assistant : NotebookLM

    Start using NotebookLM today and embark on a smarter, more efficient learning journey!

  • Break the ice

    This can be a super guide for you to start and excel in your data science career.

  • Tourism Trend Prediction

    After tourism was established as a motivator of local economies (country, state), many governments stepped up to the plate.

  • Sentiment Analysis Polarity Detection using pos tag

    Sentiment analysis can determine the polarity of sentiments from given sentences. We can classify them into certain categories.

  • For loop with Dictionary

    Traverse a dictionary with for loop Accessing keys and values in dictionary. Use Dict.values() and Dict.keys() to generate keys and values as iterable. Nested Dictionaries with for loop Access Nested values of Nested Dictionaries How useful was this post? Click on a star to rate it! Submit Rating

  • For Loops with python

    For loop is one of the most useful methods to reuse a code for repetitive execution.

  • Metrics and terminologies of digital analytics

    These all metrics are revolving around visits and hits which we are getting on websites. Single page visits, Bounce, Cart Additions, Bounce Rate, Exit rate,

  • Hypothesis Testing

    Hypothesis testing is a statistical method for determining whether or not a given hypothesis is true. A hypothesis can be any assumption based on data.

  • A/B testing

    A/B tests are randomly controlled experiments. In A/B testing, you get user response on various versions of the product, and users are split within multiple versions of the product to figure out the “winner” of the version.

  • For Loop With Tuples

    This article covers ‘for’ loops and how they are used with tuples. Even if the tuples are immutable, the accessibility of the tuples is similar to that of the list.

  • Multivariate ANOVA (MANOVA) with python

    MANOVA is an update of ANOVA, where we use a minimum of two dependent variables.

  • Two-Way ANOVA

    You only need to understand two or three concepts if you have read the one-way ANOVA article. We use two factors instead of one in a two-way ANOVA.

Instagram
WhatsApp
error: Content is protected !!