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Tag: sql

How to use join to link values from one table to another

I have two tables. drivers name number email requests id driverassigned …. I want to get everything from drivers table that may or may not be mentioned in requests.driverassigned. I have tried using join but it returns rows that have a match. Here is what I have so far. I am sure there is a common solut…

Merge two tables in SQL, with one common column

I’m trying to merge to tables in MSSQL, as in the sample below. My situation is similiar to this question. T-SQL merging two tables with common and uncommon columns I have tried using the following query: But it results in this, where the rows that have the same value in column a, merges in the same row…

Filling a column with similar values in SQL

I’m beginner on StandardSQL My Table : I need your help to get the transactionId to be duplicated on each row instead of the Blank. My Query : Answer You already have transactionId on each row. Your query generates rows where each row has transactionId and some array. The BigQuery GUI just formats array…

How to select every Friday for the last six months?

I am working on the currency table. I need to get every Friday for the last six months. My query selects every day between two dates. Here my query OUTPUT OUTPUT(Should be) Thanks for helping. Answer Not clear if you are looking for Oracle or MS SQL-Server. In case you need it for Oracle you can use