I need help on SQL SELECT QUERY. This is my TABLE. id | name | entries | ——————————— 1 | Jose Rizal | 1 | 2 | Raffy Tulfo | 2 | 3 | Cong …
How to compare and update an inserted value to existing value using a trigger?
I am learning triggers for the first time in SQL, and I am unsure of how to write/phrase a certain trigger. I am attempting to make a trigger that would check to see if a value within an attempted …
Rails 5 where or active record query
I’m trying to write a query that counts the number of products from a supplier group that are on a specific state or return 0 if it doesn’t have products. This query will only return the count if the …
How do i use a cursor correctly
With the code below I am trying to search for certain words (SEED WORDS) inside reviews. Then depending on the number of Seed words inside each review I come up with a rating number. There are …
Printing the same column twice
How can I print the ‘ID’ column twice. I’ve already got it in the start of the table, and also want it to also print out as the last column again for easy viewing purposes. ALTER TABLE EMPLOYEES ADD …
How to use a list/array of values as column name in select statement?
Say I have 3 list of data that I am using to build a new query. I need to take these list of data and return the values of those list where things were found. So my question is this: Is there a standard method of taking a list and using it as a column? I will need to use
Pivoting SQL table with crosstab function
I made this query that lists all real estate prices per m2 per year in a city. It works nice yet all years end up in rows, with the prices behind them. I would prefer seeing the years in columns with …
Is there an equivalent to TRY_CONVERT() in Oracle?
TRY_CONVERT() in T-SQL would return a value cast to the specified data type if the cast succeeded; otherwise it would return NULL. Is there a similar function in ORACLE or a way to reproduce this …
Redshift: Find max level of previous mode
I have a user table that store level of each category completion. User can unlock the second and the third category after a few levels of the first category completion. My goal is to find which level …
Button redirecting to php file
when i press the ‘continue’ button i’m redirected to form’s php functions file ( localhost/install/hamburgher.php ),but that must check if the code is correct or it will display an error. hamburgher….