Filter and sort your data with BETWEEN and ORDER BY to get the best results. . . . #MySQL #SQLQuery #BETWEEN #ORDERBY #IntermediateSQL

Calculate how long employees have been with your company using DATEDIFF()! . . . #MySQL #SQLQuery #DATEDIFF #DateFunctions #IntermediateSQL

Find out how many unique products each customer has purchased with COUNT(DISTINCT). . . . #MySQL #SQLQuery #COUNTDISTINCT #DataAnalysis #IntermediateSQL

Analyze order frequency! Use HAVING to filter groups based on aggregate results. . . . #MySQL #SQLQuery #GROUPBY #HAVING #IntermediateSQL

Use LEFT JOIN to include all records from one table even if there's no match in the other. . . . #MySQL #SQLQuery #LEFTJOIN #TableJoins #IntermediateSQL

Clean up your database! Use DELETE to remove old or inactive records. . . . #MySQL #SQLQuery #DELETE #DataCleanup #IntermediateSQL

Paginate your results with LIMIT and OFFSET! Perfect for handling large datasets. . . . #MySQL #SQLQuery #LIMIT #OFFSET #IntermediateSQL

Explore self-joins! See how to connect records within the same table. . . . #MySQL #SQLQuery #JOIN #SelfJoin #IntermediateSQL

Update data efficiently! Learn how to modify records based on conditions. . . . #MySQL #SQLQuery #UPDATE #DataModification #IntermediateSQL

Compare with averages! Use subqueries to filter based on aggregate functions. . . . #MySQL #SQLQuery #Subqueries #AggregateFunctions #IntermediateSQL

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Credit: @Alex_TheAnalyst, @khanacademy, @w3schoolsonline, @popsql, @udemy #sql #courses #learning #dataanalytics #databases #relationaldatabases #freeresources #basicsql #intermediatesql #advancedsql #dataanalyst #datascientist #dataengineer #database #data

Day 9 of #66daysofdata Nested simple subqueries and correlated queries in SQL #IntermediateSQL on simple data sets. Practice makes a woman perfect :) 😎

All you need to know #basicsql #intermediatesql lnkd.in/giwz2g6