This is the table created and inserted values into it in SQL server And using WHILE loop, I achieved the below query in SQL Server. Now I want the same above result with the usage of FOR loop, I know in SQL server FOR loop is not used, but with WHILE loop we can simulate the FOR loop in SQL
Tag: database
One-to-One relationship in database, foreign key should be in tableA or tableB?
Example scenario: 1 employee will only have 1 address and 1 address will only own by that 1 employee. Below are 2 options, which are correct or neither both? More of my confusion is should I place Employee primary key into Address table or place Address primary key into Employee table? I’m using PostgreSQL as some of you need to
SQL union grouped by rows
Assume I have a table like this: col1 col2 col3 col4 commonrow one two null commonrow null null three How to produce a result to look like this: col1 col2 col3 col4 commonrow one two three Thanks Answer like this, you can group by col1 and get the maximum in each group:
Filter out specific value without excluding the NULL rows
I have the following table and I want to filter out a specific value but keeping the null (empty) rows. I tried different ways but the query kept filtering out the null rows. For example, I only want to filter out the rows with the orange, the output table should be: I also tried with OR All of the returned
How to have MySQL return multiple column of values based on a different benchmark?
I have a MySQL database table (sales) consisting of sales data with their dates. I have a SQL query that relies on a specific date benchmark. This query supposedly returns only one numeric value. Now I set the condition to be dependant on the benchmark. The problem is, I don’t want this benchmark to stay constant. I need the query
Query Java doesn’t execute
I’m trying to execute a query on eclipse at my Java program, but it always exit with a exception and don’t execute the query, I read a lot of posts here but no one of them could help me with this. …
Impala Last_Value() Not giving result as expected
I have a Table in Impala in which I have time information as Unix-Time (with a frequency of 1 mSec) and information about three variables, like given below: ts Val1 Val2 Val3 …
AVG over time Window in Impala … OVER (PARTITION BY … ORDER BY)
I have a Table in Impala in which I have time information as UnixTime with a frequency of 1mSec. I am trying to get the AVG(), MIN() and MAX() for a window of 10Sec (But I do not want to fix it and can be 20sec, 30sec, etc). I am doing it using sub-queries but I am not getting the
Out of Range Error while inserting into a MySQL decimal column
I have this tabular structure: I get an error when i try to insert a specific set of value, query with those values is as below: For longitude with value -161.9722021 it is throwing me an error, values less than 100 value were successfully inserted. I don’t see the value being out of range, the value i am giving in
How make code for multiple search at the time in vb.net, SQL Server
For the last three months, I worked on code creating a single searching code in vb.net but I need help to make multiple search at the time like for ex:- I search in database using vb.net is done but then I need search shart + red olor is also done, then I need search shart + red color + brand