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SQL Advanced Techniques This techniques are essential to optimize the performance of SQL They include : Subquery, Common Table expressions(CTE), views etc That concludes day 9 of #learningSQL 😊 See you tomorrow

Day 9 of #learningSQL 😊 Topic 1. The window value functions 2. ⁠ SQL advanced techniques WINDOWS VALUE FUNTIONS The Value function is used to access and return a values from other rows

Use cases of the window Ranking functions - Top N analysis and Bottom N analysis - ⁠Generate unique ID - ⁠Identify duplicates - ⁠data segmentation That concludes day 8 of #learningSQL 😊 See you tomorrow

Day 8 of #learningSQL 😊 Topic(s) covered 1. WINDOWS RANKING FUNCTION The Ranking functions are used to assign ranks or values to rows of data. The window ranking function must make use of the ORDER BY clause

That concludes day 7 of #learningSQL See you tomorrow 😊

Day 7 of #learningSQL 😊 Topic(s) covered 1. WINDOWS function 2. ⁠ Calculating Running and Rolling Totals 1. WINDOWS FUNCTION Also referred to as analytical functions. WINDOWS Function performs calculations (e.g aggregation) on a specific subset of data and return a value(s)

That concludes day 6 of #learningSQL 😊 See you tomorrow

Day 6 of #learningSQL 😊 Today's Topic 1. CASE statement Case statements evaluates a list of conditions an d returns a value when the first condition is met

3. ⁠ use the default value "unknown" and avoid using NULL,empty string and blank spaces That concludes day 5 of #learningSQL 😊 See you tomorrow

DAY 5 OF #learningSQL 😊 Topics covered 1. Date and Time functions 2. ⁠NULL functions 3. ⁠ Data policies

ROUND Function: to round up numbers ABS: To convert all numbers to an absolute number That concludes day 4 of #learningSQL 😊 See you tomorrow

DAY 4 of #learningSQL 😊 Topics covered 1. LIKE operator 2. ⁠SQL functions 3. ⁠ string functions

That concludes the end of day 3 of #learningSQL See you tomorrow 😊

Day 3 of #learningSQL 😊 Topics covered 1. Joining data 2. ⁠JOINS 3. ⁠SET OPERATORS Joining data SQL uses two operators to combine either rows or columns of two or more tables- JOIN OR SET OPERATORS

CODING ORDER SELECT DISTINCT TOP >> FROM >> WHERE >> GROUPBY >> HAVING>> ORDER BY EXECUTION ORDER FROM>> WHERE>> GROUPBY>> HAVING >> SELECT DISTINCT>> ORDER BY>> TOP That concludes day 2 of #learningSQL 😊😊 See you tomorrow

Day 2 of #learningSQL 😊 Topics covered - ⁠Deeper look into DDL and DML - SQL Query clauses - ⁠Order and execution order DDL(Data Definition Language) This defines the structure of the data. Uses commands like CREATE,ALTER,DROP.

Database structure: Server >Database(s)>Schemas>Tables That concludes day 1 #learningSQL See you tomorrow 😊

Day 1 of #learningsql First day was fun, Baraa ensured he explained the concepts in a simplistic manner. *Topics covered*:l - Introduction - ⁠database management and server - ⁠Types of SQL command and query clauses *SQL(Structured Query Language)* Also pronounced as "sequel"

Just updated my MySQL playlist on YouTube. This new episode covers ORDER BY, sorting, LIMIT, and using DISTINCT to clean results. Simple concepts, but essential for real data analysis. Watch the update on my channel The Data Boy: youtu.be/QjIn_gf6vgg?si… #SQL #MySQL #learningsql

Top 5 real-world use cases of the CASE statement in #SQLServer 🚀 Be in touch, @RakeshMen #SQLTips #LearningSQL #DataManipulation #Querying

✅ First-time buyers & inactive users This query helps businesses target customers for upselling! 🚀 What’s your favorite advanced SQL trick? Let’s discuss! 👇 #DataAnalytics #SQL #LearningSQL #100DaysOfData

#TechSkills #LearningSQL #DatabaseQueries

#100DaysOfSQL #DataAnalytics #LearningSQL #SQLForDataAnalysis #DataJourney

4 Aggregation functions are a key part of working with data in SQL. #TechJourney #LearningSQL

It’s Friday, I’m sure running this is fine 🥱⤵️🚮 #LearningSQL #PostgreSQL

🌟 Day 32 of SQL Learning Journey 🌟 Today, I tackled two exciting LeetCode problems, pushing deeper into SQL concepts: 1)Game Play Analysis IV 🎮 2)Unique Subjects by Each Teacher 📘 #SQL #LearningSQL #LeetCode #ProblemSolving #DailyLearning

Some nights it’s just me, my messy dataset, and ChatGPT whispering “we’re almost there.” This data analytics journey is teaching me more than just skills — it’s teaching me patience and power. #LearningSQL #DataAnalytics

Was bored and decided to work on a SQL task that's been on my laptop . #learningsql I created three tables for a library. One for books records, another for members records and the last for borrowing records, which contained foreign keys from books and members records.

Started learning SQL today! #LearningSQL

So, stay curious, stay patient, and trust the process. You got this💪 This is how my day is going💻 Working on a mini project in SQL👌 #My_data_journey #LearningSQL #ProgressAllTheWay✈️

Learned about data types, SQL commands, and how to write queries for databases and tables.#LearningSQL #DatabaseBasics

🚨 Struggling with SQL questions? Use this simple mental model before you write a single line: 🧩 T.A.S.K. T = Tables A = Attributes (columns) S = Steps to filter/join/group K = Key logic (what are you calculating?) 🎯 Think before you SELECT. #LearningSQL #InterviewPrep

Database, varchar, int, text, etc. These, and more, are the words I've added to my vocabulary. I just ran my first SQL series and the feeling is powerful. It felt just like unlocking a new language. PS: Peep the new program🤭 #LearningSQL #DataAnalytics #TechCrushHQ #TechJourney

Day 3 of my 30-day SQL challenge! Today I delved into JOINS and learned how to combine data from multiple tables. Excited to see how this will simplify complex queries! 💻📊 #SQLChallenge #LearningSQL #DataScience #TechJourney

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"Diving deep into SQL — mastering the WHERE clause and 7 powerful operators like LIKE, NOT LIKE, BETWEEN, IN, and more. Querying like a pro! #SQL #LearningSQL #oracleSQL