How to select all data from last month (or 30 days)? I already found some answers, and mostly gives this solution But this gives me also the dates from the future I am only interested in the days from last month or 30 days (not next month and beyond) Answer Is this what you want? I added a condition so
Tag: where-clause
Using LIKE in SQL with multiple search terms
I’m doing a basic SQL course and learning the basics currently and having issue with filtering: Task: list all the rows from TableName where the columnName field content does not contain any of the following words: ‘stack’ or ‘overflow’ or ‘exampleword’. -> I get i…
How to search JSON array field in MySQL?
I have a column which has json type arrays like How can i use where clause to find “abc” contained rows? My json arrays has no key. They only have values. returns 0 rows Answer You can use MySQL JSON search function JSON_CONTAINS():
How do I utilize a WHERE clause with a MONEY data type?
So to keep it simple, I’m working on a problem that requires a simple case of utilizing the WHERE clause to bring back records that have the field (we’ll call it ‘tax’) equal to $0.00 So as per usual, I thought I could do: WHERE tax = 0; But I keep getting an error. And I’m prett…
Difference between x = null vs. x IS NULL
In Snowflake, what is the difference between x = NULL and x IS NULL in a condition expression? It seems empirically that x IS NULL is what I want when I want to find rows where some column is blank. I ask because x = NULL is treated as valid syntax and I am curious whether there’s a different applicatio…
behavior of DBMS after executing where clause
in a select query when some records doesn’t satisfy the condition in where clause, they will be omitted for executing subsequent clauses or not? for example consider we have a group by clause and after that, we have a condition in having clause on max(someThing). if a record has the maximum value of pro…
How to select from string array added in SQL column?
Below is my table, tried its not working for i want to select rows by passing colPar as ‘param1,param2’ so it will result me all the records containing param1 and param2 in colParam Answer This quiet tricky. to Return all matching values. Output:
Is there an SQL function that let us put condition above WHERE clause?
I have some query with several WHERE clauses. Based on an external variable :flag, I would like to set a condition when I can use a WHERE clause. Below is a presentation of what I mean. There is a …
Creating a view (virtual table) which display colums with particular requirements
So I`m trying to make a statistic view which counts various things like how many users are in table called “PACIENTAS” , how many doctors are in table “GYDYTOJAS” and it works. CREATE OR REPLACE …
SQL Oracle – Replace function in Where Clause
I want to use the REPLACE function in the Where clause to replace a character that I put into a input box. For example if I input R123;R321 I want it to change my input to R123′,’R321. Example of my …