#subqueries — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #subqueries, aggregated by home.social.
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
-
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
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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
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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
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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
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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
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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
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📣 Nested Subquerys in Django
📄 Improving the performance of a complex page and removing multiple N 1 issues
🔗 https://softwarecrafts.co.uk/100-words/day-119
#100_words,#django,#orm,#subqueries -
📣 Nested Subquerys in Django
📄 Improving the performance of a complex page and removing multiple N 1 issues
🔗 https://softwarecrafts.co.uk/100-words/day-119
#100_words,#django,#orm,#subqueries -
📣 Nested Subquerys in Django
📄 Improving the performance of a complex page and removing multiple N 1 issues
🔗 https://softwarecrafts.co.uk/100-words/day-119
#100_words,#django,#orm,#subqueries -
📣 Nested Subquerys in Django
📄 Improving the performance of a complex page and removing multiple N 1 issues
🔗 https://softwarecrafts.co.uk/100-words/day-119
#100_words,#django,#orm,#subqueries -
📣 Nested Subquerys in Django
📄 Improving the performance of a complex page and removing multiple N 1 issues
🔗 https://softwarecrafts.co.uk/100-words/day-119
#100_words,#django,#orm,#subqueries -
🚨 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 👉 https://community.crate.io/t/cratedb-office-hours-wednesday-march-15-2023/1399/1
Catch up on related topics by reading our recent #blogposts here 👉 https://crate.io/blog
-
🚨 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 👉 https://community.crate.io/t/cratedb-office-hours-wednesday-march-15-2023/1399/1
Catch up on related topics by reading our recent #blogposts here 👉 https://crate.io/blog
-
🚨 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 👉 https://community.crate.io/t/cratedb-office-hours-wednesday-march-15-2023/1399/1
Catch up on related topics by reading our recent #blogposts here 👉 https://crate.io/blog
-
🚨 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 👉 https://community.crate.io/t/cratedb-office-hours-wednesday-march-15-2023/1399/1
Catch up on related topics by reading our recent #blogposts here 👉 https://crate.io/blog
-
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 ZoomLearn more and get your zoom link in our CrateDB #Community post 👇
https://community.crate.io/t/cratedb-office-hours-wednesday-march-15-2023/1399 -
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 ZoomLearn more and get your zoom link in our CrateDB #Community post 👇
https://community.crate.io/t/cratedb-office-hours-wednesday-march-15-2023/1399 -
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 ZoomLearn more and get your zoom link in our CrateDB #Community post 👇
https://community.crate.io/t/cratedb-office-hours-wednesday-march-15-2023/1399 -
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 ZoomLearn more and get your zoom link in our CrateDB #Community post 👇
https://community.crate.io/t/cratedb-office-hours-wednesday-march-15-2023/1399