This is my first question in stackoverflow so be nice to me 🙂 i have a table which has a column family, when i make a query (with a where statment) i want to show the results as a group of rows with …
Tag: duplicates
Find unmatched rows between two tables
Given this setup: CREATE TABLE table1 (column1 text, column2 text); CREATE TABLE table2 (column1 text, column2 text); INSERT INTO table1 VALUES (‘A’, ‘A’) , (‘B’, ‘N’) , (‘C’, ‘C’) , (‘B’, ‘A’)…
SQL NOT EXIST returning duplicate value in query results
Hi Seem to be getting duplicates from this sql code it suppose to find records on BO Data that is not on Order Data by using the following as a key Keyorderstatus all my query results are on the Order Data already, How can a remedy this issue? Answer As @dfundako said – hard to check without data tables to
MYSQL show all rows where no duplicates found
If I had a set of data like this: What would be the SQL query to display only “James Peters”. So I am not wanting to remove duplicates (DISTINCT command) but rather show all rows where there are no duplicates found. Answer You would use group by for this with a having clause:
Return all duplicate rows
I’ve written this code to find duplicates and it works fine: The problem is, it’s returning just one of the duplicate rows. Is it possible to return all the duplicate rows? I’m guessing it may have something to do with the ‘GROUP BY’ but I’m not sure how to change it. I don’t want to delete the values, just return
How do I find duplicates across multiple columns?
So I want to do something like this sql code below: To produce the following, (but ignore where only name or only city match, it has to be on both columns): Answer Duplicated id for pairs name and city:
How to delete all duplicate records from SQL Table?
Hello I have table name FriendsData that contains duplicate records as shown below I want to remove duplicate combinations rows using MS SQL? Remove latest duplicate records from MS SQL FriendsData table. here I attached image which highlights duplicate column combinations. How I can removed all duplicate combinations from SQL table? Answer Try this See here Or here is more
SQL query for non duplicate records
I’m attempting to build a query that will return all non duplicate (unique) records in a table. The query will need to use multiple fields to determine if the records are duplicate. For example, if a table has the following fields; PKID, ClientID, Name, AcctNo, OrderDate, Charge, I’d like to use the AcctNo, OrderDate and Charge fields to find unique
Delete duplicate records in SQL Server?
Consider a column named EmployeeName table Employee. The goal is to delete repeated records, based on the EmployeeName field. Using one query, I want to delete the records which are repeated. How can this be done with TSQL in SQL Server? Answer You can do this with window functions. It will order the dupes by empId, and delete all but
MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
I have a SQL query where I want to insert multiple rows in single query. so I used something like: The problem is when I execute this query, I want to check whether a UNIQUE key (which is not the PRIMARY KEY), e.g. ‘name’ above, should be checked and if such a ‘name’ already exists, the corresponding whole row should