I want to show how many orders have been shipped 10 days before the required date in Access SQL, but I can’t seem to get the syntax right. Answer
SQL query to get Column A with all Column B
I have a table that has 2 columns customer and city . there are 4 unique cities (w,x,y,z) I want customers that is associated with all cities. So for the table +———-+——+ | Customer | City | +———-+——+ | A | W | | A | X | | A | Y | | A | Z | | B
How to get the size of the duplicates in this query?
Let’s say I have the following data: I want to find out how much data I have in duplicates — that is — if we have one of each of the files (unique by md5) how much space do we save? The answer should be: Here is the base query I have thus far: I think the simplest way to
Does index help a sql select sorting performance?
I have a SQL statement like this: I think the benefit for indexing ‘createdAt’ column is quite minimal, since it does the select first then sort 3 rows. Am I correct? Or it’s better to add indexing? Answer There are two possible indexing strategies for the query you show: Index the IN condit…
Get TOP 1 row from multiple tables based on date
I have five tables in a SQL Server database. These tables are listed below and I want to select Data from these tables according to date. I tried searching but could not find solution for multiple tables. Please help TABLE1 TABLE2 TABLE3 TABLE4 TABLE5 I want to select Label and Date from Table 3, 4 and 5 wher…
How to update only first NULL column with a value in Snowflake sql?
How to update a table first Null column with value and other Null columns with the text ‘Available’? My attempt: I tried using Case statements but it is affecting the performance of a query. Is there any efficient way to update a table as mentioned below the expected format? Expected Output: Answe…
Continue executing sql statements if error found python sqlite3
I have a file containing sql commands and I want to execute the commands given in the file and if any command throws any error then ignore the error and execute the next command. Here is a sample file: For eg. if the classroom table doesn’t exists then the drop table command will produce an error and th…
How to solve this error – ORA-22818: subquery expressions not allowed?
But it shows an error: subquery expressions not allowed here Do you know how to solve the error? Answer LEFT JOIN a derived table (aka inline view) that returns each department’s min and max salary:
logic to create more rows in sql
I have a table1 that I wanted to transform into the expected table. Expected table logic for columns: cal: comes from cal of table1. ID comes from the ID of table1. code: this is populated with lp or fp depending upon if we have a value in f_a then we create a new record with fp as code. corresponding to
Select with update statement sap hana
I’m trying to combine select and update in one statement In select I’m trying to find what is the current Fiscal year fiscal period based on table “month_dim” and by using current date. its …