I have code like this const attr = req.query.attr knex.select(knex.raw(‘foo_name as name’)) what I want is somehow select that column if it meets condition of attr and if does not then do select …
Selecting columns from tables based on max value of another column
I have two tables and I want column input from first_table and column output from second_table based on the latest finished time first_table: second_table result_table I am trying to use this query: Answer You can use a correlated subquery in the on clause of the join: For performance here, you want an index …
Using Classic ASP – SQL – JSON
I’m trying to serialize a SQL query in Classic ASP to a json object and I have found some great code that helps me achieve that but where my issue comes in is I then need to manipulate the output that is returned by the QueryToJSON(cmd, arParams).Flush I need to take the value and add some string / text…
Getting Error While Setting The data to Sql Db, Saying Cannot set the Value of Created at with Null
I am Creating a table in SSMS with the Columns required for the Table and also with the Entitydata mandatory fields Like Id, CreatedAt, UpdatedAt, Version, Deleted. And while setting the data through …
how to convert to_timestamp(’12-10-18 12:00:16.565736000 PM’,’DD-MM-RR HH12:MI:SSXFF AM’) into MySQL
I have one insert query in oracle — Insert into sample (name,time) values (‘RJ-valley’,to_timestamp(’12-10-18 12:00:16.565736000 PM’,’DD-MM-RR HH12:MI:SSXFF AM’)); select time from sample; output …
pick the first result for each parameter
I have a table with account_number, account_code and code_date I am trying to get the latest code for each account, but the group by is giving me multiple observation for each account, thus I can’t …
Updating a field to One-to-many relation field sum
I added a field to my existing table and now I have to update the old entries to have the right values. UPDATE shift_job SET elapsed_time = ROUND(EXTRACT(EPOCH FROM actual_end_time – …
Aggregate rows based on MIN flag
I’m thinking this is an easy one but the answer is escaping me. Example: I have a query returning 10 rows, some of which are identical except for the last 2 columns which are a comment and a number(…
Comparing two column values in postgres
I have table having following columns and records. I need to compare the two column values(ColumnA and ColumnB), if ColumnB>ColumnA then and update the third column from ‘N’ TO ‘Y’ CREATE TABLE Test(…
UPDATE table if data exists in another table
I have two tables. Table A contain this data column_1 column_2 A SAND B Mixed C ROUGH Table B contain this data column_1 column_2 SAND Mixed …