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#subqueries — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #subqueries, aggregated by home.social.

  1. Subquery Returns Multiple Rows In Comparison?!

    Using subquery that returns multiple rows in = comparison crashes! SQL doesn't know which row to use. This breaks subqueries! Watch!

    #sql #sqltricks #database #sqltutorial #subqueries #multiplerows #sqlquiz #codingchallenge #sqlshorts #sqlbugs #subqueryerrors #sqlwtf

    youtube.com/watch?v=x15LSXR-uVM

  2. Subquery Returns Multiple Rows In Comparison?!

    Using subquery that returns multiple rows in = comparison crashes! SQL doesn't know which row to use. This breaks subqueries! Watch!

    #sql #sqltricks #database #sqltutorial #subqueries #multiplerows #sqlquiz #codingchallenge #sqlshorts #sqlbugs #subqueryerrors #sqlwtf

    youtube.com/watch?v=x15LSXR-uVM

  3. Subquery Returns Multiple Rows In Comparison?!

    Using subquery that returns multiple rows in = comparison crashes! SQL doesn't know which row to use. This breaks subqueries! Watch!

    #sql #sqltricks #database #sqltutorial #subqueries #multiplerows #sqlquiz #codingchallenge #sqlshorts #sqlbugs #subqueryerrors #sqlwtf

    youtube.com/watch?v=x15LSXR-uVM

  4. EXISTS vs IN With NULL Breaks Logic!

    EXISTS and IN behave completely differently with NULL! One works, one doesn't. This breaks subquery logic! Watch the chaos!

    #sql #sqltricks #database #sqltutorial #existsin #subqueries #sqlquiz #codingchallenge #sqlshorts #sqlbugs #nullhandling #sqlwtf

    youtube.com/watch?v=dwtsETOcH2Q

  5. EXISTS vs IN With NULL Breaks Logic!

    EXISTS and IN behave completely differently with NULL! One works, one doesn't. This breaks subquery logic! Watch the chaos!

    #sql #sqltricks #database #sqltutorial #existsin #subqueries #sqlquiz #codingchallenge #sqlshorts #sqlbugs #nullhandling #sqlwtf

    youtube.com/watch?v=dwtsETOcH2Q

  6. EXISTS vs IN With NULL Breaks Logic!

    EXISTS and IN behave completely differently with NULL! One works, one doesn't. This breaks subquery logic! Watch the chaos!

    #sql #sqltricks #database #sqltutorial #existsin #subqueries #sqlquiz #codingchallenge #sqlshorts #sqlbugs #nullhandling #sqlwtf

    youtube.com/watch?v=dwtsETOcH2Q

  7. EXISTS vs IN With NULL Breaks Logic!

    EXISTS and IN behave completely differently with NULL! One works, one doesn't. This breaks subquery logic! Watch the chaos!

    #sql #sqltricks #database #sqltutorial #existsin #subqueries #sqlquiz #codingchallenge #sqlshorts #sqlbugs #nullhandling #sqlwtf

    youtube.com/watch?v=dwtsETOcH2Q

  8. EXISTS vs IN with NULLs?!

    EXISTS and IN handle NULLs DIFFERENTLY! IN returns NULL when NULL is in the list, EXISTS doesn't. This NULL behavior will cause bugs!

    #sql #sqltricks #exists #in #nullhandling #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=9bEbNIvODz8

  9. EXISTS vs IN with NULLs?!

    EXISTS and IN handle NULLs DIFFERENTLY! IN returns NULL when NULL is in the list, EXISTS doesn't. This NULL behavior will cause bugs!

    #sql #sqltricks #exists #in #nullhandling #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=9bEbNIvODz8

  10. EXISTS vs IN with NULLs?!

    EXISTS and IN handle NULLs DIFFERENTLY! IN returns NULL when NULL is in the list, EXISTS doesn't. This NULL behavior will cause bugs!

    #sql #sqltricks #exists #in #nullhandling #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=9bEbNIvODz8

  11. EXISTS vs IN with NULLs?!

    EXISTS and IN handle NULLs DIFFERENTLY! IN returns NULL when NULL is in the list, EXISTS doesn't. This NULL behavior will cause bugs!

    #sql #sqltricks #exists #in #nullhandling #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=9bEbNIvODz8

  12. EXISTS vs IN with NULLs?!

    EXISTS and IN handle NULLs DIFFERENTLY! IN returns NULL when NULL is in the list, EXISTS doesn't. This NULL behavior will cause bugs!

    #sql #sqltricks #exists #in #nullhandling #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=9bEbNIvODz8

  13. Correlated Subquery in SELECT?!

    Subqueries in SELECT execute for EVERY row! This correlated subquery runs once per row, creating a performance nightmare. This is why queries are slow!

    #sql #sqltricks #correlatedsubquery #selectclause #performance #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=GdfjEk34nRQ

  14. Correlated Subquery in SELECT?!

    Subqueries in SELECT execute for EVERY row! This correlated subquery runs once per row, creating a performance nightmare. This is why queries are slow!

    #sql #sqltricks #correlatedsubquery #selectclause #performance #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=GdfjEk34nRQ

  15. Correlated Subquery in SELECT?!

    Subqueries in SELECT execute for EVERY row! This correlated subquery runs once per row, creating a performance nightmare. This is why queries are slow!

    #sql #sqltricks #correlatedsubquery #selectclause #performance #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=GdfjEk34nRQ

  16. Correlated Subquery in SELECT?!

    Subqueries in SELECT execute for EVERY row! This correlated subquery runs once per row, creating a performance nightmare. This is why queries are slow!

    #sql #sqltricks #correlatedsubquery #selectclause #performance #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=GdfjEk34nRQ

  17. Correlated Subquery in SELECT?!

    Subqueries in SELECT execute for EVERY row! This correlated subquery runs once per row, creating a performance nightmare. This is why queries are slow!

    #sql #sqltricks #correlatedsubquery #selectclause #performance #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=GdfjEk34nRQ

  18. Correlated Subquery in WHERE?!

    Correlated subqueries in WHERE execute for EVERY row! They reference outer query columns, creating a performance nightmare. This is why queries are slow!

    #sql #sqltricks #correlatedsubquery #whereclause #performance #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=wQqeMeQuW7c

  19. Correlated Subquery in WHERE?!

    Correlated subqueries in WHERE execute for EVERY row! They reference outer query columns, creating a performance nightmare. This is why queries are slow!

    #sql #sqltricks #correlatedsubquery #whereclause #performance #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=wQqeMeQuW7c

  20. Correlated Subquery in WHERE?!

    Correlated subqueries in WHERE execute for EVERY row! They reference outer query columns, creating a performance nightmare. This is why queries are slow!

    #sql #sqltricks #correlatedsubquery #whereclause #performance #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=wQqeMeQuW7c

  21. Correlated Subquery in WHERE?!

    Correlated subqueries in WHERE execute for EVERY row! They reference outer query columns, creating a performance nightmare. This is why queries are slow!

    #sql #sqltricks #correlatedsubquery #whereclause #performance #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=wQqeMeQuW7c

  22. Correlated Subquery in WHERE?!

    Correlated subqueries in WHERE execute for EVERY row! They reference outer query columns, creating a performance nightmare. This is why queries are slow!

    #sql #sqltricks #correlatedsubquery #whereclause #performance #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #subqueries #advancedsql

    youtube.com/watch?v=wQqeMeQuW7c

  23. Correlated Subquery With NULL Returns WHAT?!

    Correlated subquery with NULL comparison returns something impossible! NULL = NULL in subquery breaks correlation logic! Watch!

    #sql #sqltricks #database #sqltutorial #correlatedsubquery #null #sqlquiz #codingchallenge #sqlshorts #sqlbugs #subqueries #sqlwtf

    youtube.com/watch?v=0gi1cUqrgA4

  24. Correlated Subquery With NULL Returns WHAT?!

    Correlated subquery with NULL comparison returns something impossible! NULL = NULL in subquery breaks correlation logic! Watch!

    #sql #sqltricks #database #sqltutorial #correlatedsubquery #null #sqlquiz #codingchallenge #sqlshorts #sqlbugs #subqueries #sqlwtf

    youtube.com/watch?v=0gi1cUqrgA4

  25. Correlated Subquery With NULL Returns WHAT?!

    Correlated subquery with NULL comparison returns something impossible! NULL = NULL in subquery breaks correlation logic! Watch!

    #sql #sqltricks #database #sqltutorial #correlatedsubquery #null #sqlquiz #codingchallenge #sqlshorts #sqlbugs #subqueries #sqlwtf

    youtube.com/watch?v=0gi1cUqrgA4

  26. Correlated Subquery With NULL Returns WHAT?!

    Correlated subquery with NULL comparison returns something impossible! NULL = NULL in subquery breaks correlation logic! Watch!

    #sql #sqltricks #database #sqltutorial #correlatedsubquery #null #sqlquiz #codingchallenge #sqlshorts #sqlbugs #subqueries #sqlwtf

    youtube.com/watch?v=0gi1cUqrgA4

  27. Correlated Subquery With NULL Returns WHAT?!

    Correlated subquery with NULL comparison returns something impossible! NULL = NULL in subquery breaks correlation logic! Watch!

    #sql #sqltricks #database #sqltutorial #correlatedsubquery #null #sqlquiz #codingchallenge #sqlshorts #sqlbugs #subqueries #sqlwtf

    youtube.com/watch?v=0gi1cUqrgA4

  28. 📣 Nested Subquerys in Django
    📄 Improving the performance of a complex page and removing multiple N 1 issues
    🔗 softwarecrafts.co.uk/100-words
    #100_words,#django,#orm,#subqueries

  29. 📣 Nested Subquerys in Django
    📄 Improving the performance of a complex page and removing multiple N 1 issues
    🔗 softwarecrafts.co.uk/100-words
    #100_words,#django,#orm,#subqueries

  30. 📣 Nested Subquerys in Django
    📄 Improving the performance of a complex page and removing multiple N 1 issues
    🔗 softwarecrafts.co.uk/100-words
    #100_words,#django,#orm,#subqueries

  31. 📣 Nested Subquerys in Django
    📄 Improving the performance of a complex page and removing multiple N 1 issues
    🔗 softwarecrafts.co.uk/100-words
    #100_words,#django,#orm,#subqueries

  32. 📣 Nested Subquerys in Django
    📄 Improving the performance of a complex page and removing multiple N 1 issues
    🔗 softwarecrafts.co.uk/100-words
    #100_words,#django,#orm,#subqueries

  33. 🚨 Reminder 🚨Join us for CrateDB Office Hours tomorrow!

    Chat with our engineers about #cursors in #CrateDB, correlated #subqueries, and new aggregation #functions (MIN_BY and MAX_BY) 🧑🏻‍💻 Got another topic you'd like to discuss? Leave a comment below!

    🗓 March 15th
    🕐 5 PM CET/ 11 AM ET
    📍 No registration required! Join via Zoom.

    Check out our community post for the Zoom link 👉 community.crate.io/t/cratedb-o

    Catch up on related topics by reading our recent #blogposts here 👉 crate.io/blog

  34. 🚨 Reminder 🚨Join us for CrateDB Office Hours tomorrow!

    Chat with our engineers about in , correlated , and new aggregation (MIN_BY and MAX_BY) 🧑🏻‍💻 Got another topic you'd like to discuss? Leave a comment below!

    🗓 March 15th
    🕐 5 PM CET/ 11 AM ET
    📍 No registration required! Join via Zoom.

    Check out our community post for the Zoom link 👉 community.crate.io/t/cratedb-o

    Catch up on related topics by reading our recent here 👉 crate.io/blog

  35. 🚨 Reminder 🚨Join us for CrateDB Office Hours tomorrow!

    Chat with our engineers about #cursors in #CrateDB, correlated #subqueries, and new aggregation #functions (MIN_BY and MAX_BY) 🧑🏻‍💻 Got another topic you'd like to discuss? Leave a comment below!

    🗓 March 15th
    🕐 5 PM CET/ 11 AM ET
    📍 No registration required! Join via Zoom.

    Check out our community post for the Zoom link 👉 community.crate.io/t/cratedb-o

    Catch up on related topics by reading our recent #blogposts here 👉 crate.io/blog

  36. 🚨 Reminder 🚨Join us for CrateDB Office Hours tomorrow!

    Chat with our engineers about #cursors in #CrateDB, correlated #subqueries, and new aggregation #functions (MIN_BY and MAX_BY) 🧑🏻‍💻 Got another topic you'd like to discuss? Leave a comment below!

    🗓 March 15th
    🕐 5 PM CET/ 11 AM ET
    📍 No registration required! Join via Zoom.

    Check out our community post for the Zoom link 👉 community.crate.io/t/cratedb-o

    Catch up on related topics by reading our recent #blogposts here 👉 crate.io/blog

  37. Don’t miss the opportunity to talk to CrateDB engineers at our next #CrateDB Office Hours 😎

    For our next session, we prepared to talk about #cursors in CrateDB, correlated #subqueries, and new #aggregation #functions (MIN_BY and MAX_BY) 🤓 Curious about other CrateDB topics? Leave your suggestions in the comments!

    🗓 March 15th
    🕐 5 PM CET/ 11 AM ET
    📍 No need for registration! Join via Zoom

    Learn more and get your zoom link in our CrateDB #Community post 👇
    community.crate.io/t/cratedb-o

  38. Don’t miss the opportunity to talk to CrateDB engineers at our next Office Hours 😎

    For our next session, we prepared to talk about in CrateDB, correlated , and new (MIN_BY and MAX_BY) 🤓 Curious about other CrateDB topics? Leave your suggestions in the comments!

    🗓 March 15th
    🕐 5 PM CET/ 11 AM ET
    📍 No need for registration! Join via Zoom

    Learn more and get your zoom link in our CrateDB post 👇
    community.crate.io/t/cratedb-o

  39. Don’t miss the opportunity to talk to CrateDB engineers at our next #CrateDB Office Hours 😎

    For our next session, we prepared to talk about #cursors in CrateDB, correlated #subqueries, and new #aggregation #functions (MIN_BY and MAX_BY) 🤓 Curious about other CrateDB topics? Leave your suggestions in the comments!

    🗓 March 15th
    🕐 5 PM CET/ 11 AM ET
    📍 No need for registration! Join via Zoom

    Learn more and get your zoom link in our CrateDB #Community post 👇
    community.crate.io/t/cratedb-o

  40. Don’t miss the opportunity to talk to CrateDB engineers at our next #CrateDB Office Hours 😎

    For our next session, we prepared to talk about #cursors in CrateDB, correlated #subqueries, and new #aggregation #functions (MIN_BY and MAX_BY) 🤓 Curious about other CrateDB topics? Leave your suggestions in the comments!

    🗓 March 15th
    🕐 5 PM CET/ 11 AM ET
    📍 No need for registration! Join via Zoom

    Learn more and get your zoom link in our CrateDB #Community post 👇
    community.crate.io/t/cratedb-o