There are two tables. Tables A has following structure ID Flag Name 1X 1 Y 2Y 0 Null 3Z 1 Null 4A 1 Y Table B has the following structure B_ID City State 1X Y Null 2Y Null Null 3Z Null Y 4A Y Y I want to get the count of all the IDs and the count of IDs
Tag: sql
Postgres query return nothing where there should be a valid data
I have a query that should return some rows, but it returns blank. As far as I know .. the pictures down will show the issue. Here is the query This is the table : I tested the calculation and it worked a lone . Answer Your condition cannot be right because you are comparing M.PLAYED_AT to be BETWEEN M.PLAYED…
How to grab certain value found in a string column?
I have a column that contains several different values. This is not in JSON format. It is a string that is separated into different sections. I need to grab everything that is found under ID only. In the examples below, I only want to grab the word: “syntax” and “village” The above doe…
How to get address by user’s id oracle
In my project, front end needs, following JSON data with this format. So I Created two table for user and their addresses, So I plan to going with this table structure, USER_TABLE USER_ADDRESS Address table I created this way because, each user have two addresses, one is permanent and other one is corresponde…
Error(1064) (42000) : check the manual that corresponds to your MySQL server version for the right syntax to use near ‘)’ at line 9
My sql table is giving error but I cant find one ! This my sql table : Error: mysql> SOURCE /home/q55555b/Documents/Database Systems/Final Assesment_20193113/createawardprize.sql ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the…
“Column not allowed here” error in INSERT statement-ORA-00984
I have the same error as this one : “column not allowed here” error in INSERT statement . My SQL table’s structure looks like this: Have I done something wrong? Edit: even with that way it doesn’t work Answer Update your insert statement as –
SQL: subquery for unary table
I’m trying to write a subquery that groups identical TickerSymbols togather as well as TickerSentiment that is between two values e.g. 0.0001 and 1 Sample Rows Query: Output Desired Output Answer You sample code will not work in MySQL But i think you are looking for
Delete all SQL rows except one for a Group
I have a table like this: Schema (MySQL v5.7) id userid date 1 1 2021-11-15 2 2 2021-11-15 3 1 2021-11-13 4 3 2021-10-13 5 3 2021-09-13 6 2 2021-09-13 View on DB Fiddle I want to delete all records which are older than 14 days, EXCEPT if the user only has records which are older – than keep the
Mysql Select X rows after specific match
I’m trying to write a select statement in MySQL to get 5 rows after I get my match then sum how many times those numbers were repeated. Example: Raw Table id number 1 1 2 0 3 9 4 14 5 11 6 0 7 3 8 4 9 10 10 9 11 0 12 5 13 3 14 11
How to improve performance of multi-database queries in SQL Server where one database is synchronized and the other is not
I have two databases. One I’ll call a is a read-only synchronized database that is part of an availability group and the other is a plain ol database I’ll call b on the same server as the synchronized database. I need to write views in b that read from a, but they perform very poorly in this envir…