There was this sql to check table integrity in db2. SET INTEGRITY FOR table_name IMMEDIATE CHECKED. Based on some research, found that it is for data to save in proper order and to check whether there is any violations while saving.
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I am trying to fetch data using postgressql using inner join but I am getting only the matching rows: select r.name, r.description, tags.name tags, rb.ingredient_id, mb.name macros from recipe r inner join recipe_tags tags on r.id = tags.recipe_id inner join recipe_breakdown ...
Let’s say I have two tables table1and table2, with three columns each, id, time, value. They store the same kind of information, ie. a 30-minutes timeseries data for several ids (let’s imagine a machine that produces an amount of energy ...
I have the following changes table to store the changes of each ID, I would like to recursively lookup the latest changed ID of each ID. Changes table: old_id new_id 1 2 2
I’m trying to read a table into a dataframe using the pandas.io.sql read_sql method. However, I’m getting errors as I need to format my query with a tuple, and some elements of my tuples contain single quotes. Here is an example ...
I am changing a db function and I need to add a query for items matching their category id with any items from an array i give. Example input: let categories = ['10272111', '165796011', '3760911', '9223372036854776000','3760901','7141123011'] Part of db function:
If query returns the table: col sub_col A A A B A C A A A B A C B A B B B B B C B A B B B B B C Output should be like: col sub_col order_by_sub_col A A 0 A B 1 A C 2 A A 0 A B 1 A C 2 B A 0 B B 1 B B 2 B C 3 B A 0 B B 1 B B 2 B C 3
I want to generate date data using postgresql function "generate_series" , however I have only advanced as far as the following: SELECT ( DATE_TRUNC( 'month', ld ) + '1 month'::INTERVAL - '1day'::INTERVAL )::DATE AS pe_produc FROM ...
Basically, I’m kinda exhausted while thinking about the best possible way to structure my database for a recipe app I have planned and could need some help/ideas. The goal is to make a recipe app including multiple languages(translated recipes) and ...
I have this query & when I run it I keep getting the ‘subquery uses ungrouped column v.closedate from outer query’. The issue is that I need the result to be grouped by month rather than by date, so I ...