I have 3 tables, Master with other two TableA and TableB, and Master has both one to many relationship with the other two tables. What I want is to get all master records associated with only the latest record from both TableA and TableB, so I use le
i need to write a query that joins a lot of queries. They are connected by an ID. The problem is that in one of the queries, the value I have to select is a "single-group group function" and i must evaluate a condition on the ON clause that must
In my database, I have a table salaries which stores all past or current salaries from the employees, and a table employees which stores my employees. I am trying to select all employees that got a promotion: select first_name, last_name from salarie
I connect four tables, but if I do a GROUP BY with a propertie of the fourth table, I get different results. This is the Query:There are basically two options: JOIN back to original table using nested query. SELECT TA.col1, AggrFunc(col2) AS col2, (S
I would like to implement a specific join operation with the following requirements: I have a data frame in the following format, where the index is datetime and I have columns from 0 to N (9 in this example) df1: 0 1 2 3 4 5 6 7 8 9 2001-01-01 2 53
I got stuck at one point. I have a table structure as I Need result as I tried to join, Union etc of tables,but I am not able to get it. Can you please help me.Thanks in advance.Assuming your first table is Ring and the second one is RingTone You hav
Python 2.7: Struggling a little with path.exists import os import platform OS = platform.system() CPU_ARCH = platform.machine() if os.path.exists( os.path.join("/dir/to/place/" , CPU_ARCH) ): print "WORKED" # Linux LD_LIBRARY_PATH = &q
I have this query: Select b.building_pk, bil.building_fk, bil.BillingAccountStatus_fk, b.ACTL_TNT_CT From [DB].[Schema].Building b (nolock) left Join [DB].[Schema].Billing bil (nolock) on bil.building_fk = b.building_pk join ##GlobalTempTable1 tt (no
I thought that you needed to list the tables that you would be working with in a FROM clause as in: SELECT * FROM a, b WHERE a.id = b.id I am learning about joins and saw the following: SELECT a.account_id, a.cust_id, a.open_date, a.product_cd FROM a
I have the first table 'users' | id | name ------------------ | 1 | james | 2 | johnny | 3 | Carl | 4 | Lea And my second table contain the linked users linked_users | id | linked_id -------------------- | 1 | 2 | 1 | 4 | 2 | 3 I need to get two fiel
I want to select all sections which do not have any students enrolled These are the three tables: ENROLLMENTS student_id, section_id SECTIONS course_id, section_id COURSES course_id, description The output table should look like this: course_id | des
How can i join two tables using HQL? At first, here is my SQL create query for two tables: CREATE TABLE `subject` ( `id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, `name` VARCHAR(50) NOT NULL, PRIMARY KEY (`id`) ) CREATE TABLE `employee` ( `id` INT(11
I have a query where all products sold are being selected. What I want to do is reverse the query and get all product not sold within a period of time. This is the query for all the products sold within a period of time. SELECT product.product_id, pr
I have two tables in MySQL: emp_detail ---------------------------------------------------------------------- emp_number(int)| emp_id(int) | emp_name(varchar) | joined_date (date) ----------------------------------------------------------------------
I have a list model which has_and_belongs_to_many postings and vice versa. I have a join table: create_table :postings_lists do |t| t.integer :posting_id t.integer :list_id end Users have many lists. I already validate the list uniqueness for the use
I have a sales_cat table, and a user_cat table. sales_cat id_cat name user_cat id id_user id_cat I need to get all the sales_cat rows, joined with the user_cat table for a specific user, indicating if that user has or not the category. Example, for i
I have the following schema: CREATE TABLE author ( id integer , name varchar(255) ); CREATE TABLE book ( id integer , author_id integer , title varchar(255) , rating integer ); And I want each author with its last book: SELECT book.id, author.id, aut
Hi I have two tables Table A and Table B . Table A has 3 columns id ,Location & name Table B has 3 columns id , location & address I need to join these two tables . I know we can use the location table to join . But in Table A say for Eg location
I want to join two tables together to get retrieve all the entities in one search. I have a one to many relationship: Jedi and Member. One member group can have many Jedi's. I want to make a form to search by one entity and displays all of the inform
I'm new to using foreach with PHP, so this is probably something obvious as to why this script isn't working. I'm trying to show a list of teammates to the logged in user. The goal here is that I'm trying to get a list of user names into <li> tags,
In c# I've got four 10x10 int square matrices and I need to create a 20x20 square matrix by merging the four smaller matrices. What is the best way to accomplish this? EDIT: This is my code int[] first = myArray.Take(myArray.Length / 2).ToArray(); in
I have a table which contains more than one row for a particular value . Here is the table structure: NAME,NUMBER,STATUS,DESC,START_DATE,END_DATE A,3,X,DetailsOfX,13-10-15,13-10-15 A,2,Y,DetailsOfY,13-10-15,13-10-15 A,2,Z,DetailsOfZ,13-10-15,13-10-15
I'm having a bit of a problem with a MySQL query in my PHP. I'm assuming it's down to a simple syntax issue and am hoping somebody here can help me out. The query is: SELECT * FROM `Threads` INNER JOIN `Categories` WHERE `Threads`.`Category_ID` = `Ca
I have two table,their structure are below : CREATE TABLE `metaservice`.`user` ( `id` bigint(18) NOT NULL AUTO_INCREMENT, `userId` bigint(18) NOT NULL, `name` varchar(40) DEFAULT NULL, PRIMARY KEY (`id`), UNIQUE KEY `userId` (`userId`) USING BTREE, K
I have a table with data like the following id name created parent ------------------------------------------------ 1 Alpha 11385209583 0 2 Bravo 11385209619 0 3 Bravo-A 11385209701 2 4 Bravo-B 11385209777 2 such that Bravo-A and Bravo-B are children
Write a query to display distinct pair of patients who are treated by the same doctor. The following tables are present: doctor: d_id d_name patient: p_id p_name treatment: d_id p_id disease medicine The query: Select p1.p_name, p2.p_name from patien
Query 1: select PremiumYTDCurrent=Sum((AASI.Inv_Premium)*R.[Percent]), R.STAFF, L.Description, L.LINE_OF_BUSINESS from AAS_Invoice AASI,Invoice I,Revenue_Tracking R, Policy P, Line_Of_Business L where I.Invoice_No=convert(Char,Convert(int,AASI.Inv_En
In SQL, there is an operator to "Union" two tables. In an interview, I was told that, say one table has just 1 field with 1, 2, 7, 8 in it, and another table also has just 1 field with 2, and 7 in it, how do I get the intersection. I was stunned
Update: After playing around with this for a few hours, went with a multi-query solution and used a table that only contained parent attributes to determine which items needed updating. Sorry for the poor title, I couldn't think how to concisely desc
I have four tables I want to join and get data from. The tables look something like... Employees (EmployeeID, GroupID[fk], EmployeeName, PhoneNum) Positions (PositionID, PositionName) EmployeePositions (EployeePositionID, EmployeeID[fk], PositionID[f
