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SQL Pivot: Converting Rows to Columns - The Databricks Blog
WebApr 10, 2024 · Slow SQL Queries After a Large Amount of Data Is Deleted from a Large Table. Scenario. After multiple wide columns of data (the length of each record is about 1 GB) are deleted at a time, performing an INSERT, DELETE, UPDATE, or SELECT operation on the same table again takes an extended period of time. After about 20 minutes, the … WebJun 24, 2016 · I have a question that is somewhat similar to this question already asked: Mysql, reshape data from long / tall to wide My complexity comes with the fact that my data structure can be volatile and is subject to change at the user's discretion. So my columns can change aggregation (grow or shrink) depending upon the fields that populate the table. smart financial sugar land texas
Db2 12 - Codes - SQLCODE -440 - IBM
Webmaking the query quite heavy. pls post your query. also, please do a SHOW CREATE TABLE for both tables so we can see the indexes. 2. ThenBanana • 3 yr. ago. Table 2 is a view. Table 1 is a view. I believe ID1 is the primary key in the DB but unfourtanelty I cannot post actual queries as the data is sensitive. r3pr0b8 • 3 yr. ago. WebExercise: Flattening Dataset from Long to Wide Format. The exercise is to pivot an input dataset in long format to wide format. Module: Spark SQL Duration: 30 mins Input Dataset WebDec 6, 2024 · sql server - Dynamic conversion of long data to wide with multiple columns - Database Administrators Stack Exchange Dynamic conversion of long data to wide with multiple columns Ask Question Asked 5 years, 4 months ago Modified 5 years, 4 months ago Viewed 4k times 0 I'm trying to convert long data: hillman cross dowel