In SQLite, I have a table named Items: | id | name | |—-|——-| | 1 | .. | | 2 | .. | | 3 | .. | | 4 | .. | | 5 | .. | | 6 | .. | Each item might have tags associated …
To compare count between two hive table
I am trying to do count comparision between two table . As minus operator does not work in hive , it is not happening. Could you please give some simple way to do count comparision between two tables. …
Modifying the keys in a PHP array before sending to JSON
I am querying a SQL database and returning some values. What I have is Field1 and Field2 which come out with a list of dates (There may be up to 200 values/dates eventually). I then reformat the …
How to in insert new rows from one table to another based on date?
I am having two tables (table1 and table2). I have columns Date, A, B, C in table1 and columns Date, D, E in table2. I need to transfer column D and E from table2 to table1 based on Date in both the tables. I tried below code but getting ‘multi-part identifier “table1.Date” could not be boun…
Presto SQL – Expand by all dates/group combinations
I have a table that includes dates, groups and values: date group subgroup value 2018-01-01 A 1 20 2018-01-04 A 1 70 2018-01-06 A 1 80 I would …
SQL query causes error “Incorrect syntax near the keyword ‘order'”
This is my SQL query, and I get an error: Incorrect syntax near the keyword ‘order’ I have checked everything, but I am unable to correct this. How can I fix it? SELECT TOP (1) CONVERT(VARCHAR(…
Selecting the first and last event per user, per day
I have a Google Analytics event which fires on my website when certain interactions are made, this may or may not fire for a user in a session, or can fire many times. I’d like to return results …
Update a field in a JSON column in PostgreSQL
I have a work_item table that has the following schema and a document_type table with the following schema: The data column is a json column that has a Type field. This is a sample column data: I need to update data columns whose data_type column value is DocumentModel and Type field values matches a value in…
SQL Server: Update table based on JSON
I am trying to update rows in table based on JSON I have. JSON has the following structure: Table dbo.sensors has same structure + few more columns. To insert such JSON object, not array, into table, I would do it this way: So I have 2 questions: how to iterate over each element in JSON array and update each …
How to create a custom auto generated ID number for a primary key column?
I have created this table and I inserted the following values: CREATE TABLE Product ( ID INTEGER IDENTITY(1,1) NOT NULL PRIMARY KEY CLUSTERED, Product_No AS RIGHT (‘PDT0000’ + CAST(ID AS …