How do you display non unique values in SQL?

1. select count(distinct NAME) from MYTABLE.
2. SELECT * FROM MYTABLE WHERE NAME IN(SELECT NAME FROM MYTABLE GROUP BY NAME HAVING COUNT(*) =1)
3. SELECT * FROM MYTABLE WHERE NAME IN(SELECT NAME FROM MYTABLE GROUP BY NAME HAVING COUNT(*) >1)

How can we avoid duplicate records in SQL without distinct?

Below are alternate solutions :

1. Remove Duplicates Using Row_Number. WITH CTE (Col1, Col2, Col3, DuplicateCount) AS ( SELECT Col1, Col2, Col3, ROW_NUMBER() OVER(PARTITION BY Col1, Col2, Col3 ORDER BY Col1) AS DuplicateCount FROM MyTable ) SELECT * from CTE Where DuplicateCount = 1.
2. Remove Duplicates using group By.

How do I exclude duplicates in SQL?

The go to solution for removing duplicate rows from your result sets is to include the distinct keyword in your select statement. It tells the query engine to remove duplicates to produce a result set in which every row is unique. The group by clause can also be used to remove duplicates.

How do I filter duplicate records in SQL?

How to Find Duplicate Values in SQL

1. Using the GROUP BY clause to group all rows by the target column(s) – i.e. the column(s) you want to check for duplicate values on.
2. Using the COUNT function in the HAVING clause to check if any of the groups have more than 1 entry; those would be the duplicate values.

Which keyword is used to eliminate duplicate rows SQL?

The DISTINCT keyword
The DISTINCT keyword eliminates duplicate rows from a result.

How do you avoid duplicate queries in SQL insert?

5 Easy Ways How to Avoid Duplicate Records in SQL INSERT INTO SELECT

1. Adding the Distinct Keyword to a Query to Eliminate Duplicates.
2. Using SQL WHERE NOT IN to Remove Duplicate Values.
3. Using INSERT INTO WHERE NOT IN SQL Operator.
4. Using SQL INSERT INTO IF NOT EXIST.
5. Using COUNT(*) = 0 Without Duplicates.

How do I find the first 3 highest salary in SQL?

To Find the Third Highest Salary Using a Sub-Query,

1. SELECT TOP 1 SALARY.
2. FROM (
3. SELECT DISTINCT TOP 3 SALARY.
4. FROM tbl_Employees.
5. ORDER BY SALARY DESC.
6. ) RESULT.
7. ORDER BY SALARY.

How do I find the highest salary in each department?

SELECT * FROM department; Get the highest salary of each department on the table. Here our table contains a DEPT_ID and it has two different categories UI DEVELOPERS and BACKEND DEVELOPERS, and we will find out the highest salary of the column.

What can you do with SQL Server query analyzer?

SQL Server – SQL Query Analyzer. Query Analyzer (and Enterprise Manager) has been superseded by SQL Server Management Studio. The SQL Query Analyzer is the main interface for running SQL queries against your database. You can use the SQL Query Analyzer to create and run adhoc scripts, or you can create SQL scripts and save them for later use.

Which is the best tool to understand SQL Server?

If you are using SQL Server you’ve already got a great set of tools, the Profiler and Query Analyzer, for understanding how your application is using the database.

Is there a difference between query1 and query2?

Query1 and Query2 seem to contradict each other..though they meant the same.. Am i missing something ?? I imported a text file having 250,000 unique names (text has 250000 lines..ie.1 name per line) to a table MYTABLE (with 1 column..NAME) in sql server.

Where do I find query analyzer in Enterprise Manager?

You can open Query Analyzer from Enterprise Manager by clicking Tools > Query Analyzer. SQL Query Analyzer looks like this: Tip: Before you open Query Analyzer, use Enterprise Manager to navigate to the database you’d like to work with. That way, Query Analyzer will open using that database.