Say i have two tables like below: +————————-+ +————————-+ | Person | | Person Details | +———-+————–+ +——————-…
@Where with @SecondaryTable does not work with Hibernate
There is a one-to-many relationship in my model, where the child entity is stored in two tables. @Entity @Table(name = “child1”) @SecondaryTable(name = “child2”, pkJoinColumns = { @…
SQL – Alias, SQL Command not properly ended – Error at line 2 column 23
I’m trying to do a simple left join from two tables(‘asset’,’companies’). For this I decided to use aliases(for the tables) as well, just to practice and improve skills. However I cannot get them to …
DB2 z/os running SQL query on a specific table partition
I have a db2 table that contains customer transactions. This table is about 500 Million records and when I try to run a select query BETWEEN specific dates the query runs for a long time. A DBA in …
Multiple rows in table with values from another table
I am struggling with following issue: Table1: Table2: Expected result: Basically I want to multiple rows in dates table with rows from User table. Is it somehow possible? (using TSQL).
How to sum up unique values using case statements having certain conditions
I have a table that may have the same item but with different sizes, I would like to count those items with more than one size (e.g. marvel shirt with S, M sizes will count as “1”), but still be able …
I’m getting ‘Subquery returned more than 1 value’, without a subquery on my SELECT
I have a view in which I don’t have access into modify it, and I have to make a SELECT query that brings me the rows in witch a column is empty (empty, not null) In this view I have: Oid| Name | …
SSIS Looping with Return Value from Stored Procedure
I am trying to create a SSIS Package that loops based on the return value of a stored procedure run in the loop. I keep getting a super NOT helpful error of: “Error: 0xC002F210 at Load Order, …
How to use conditional aggregation on columns which have multiple values in SQL
I need to generate an output to show different role(from table2) as separate columns for an id(from table 1), but the role is not mandatory to be present in the table 2 and sometimes there can be …
In SQL, how to prevent duplicate values for a user in a table, not for a whole table?
I would like to create a table with T-SQL. User is a foreign key from a users table. One user can’t have two same phone numbers in ‘phone1’ and ‘phone2’ fields. However, it is allowed that two users …