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10 kwi 2011 · How can I use the DISTINCT clause with WHERE? For example: SELECT * FROM table WHERE DISTINCT email; -- email is a column name I want to select all columns from a table with distinct email addresses.
23 lis 2021 · Some of my data has - Automated two or more times. I need to replace the text so it only appears once. I first tried to get the value to display by using this failed query. (SELECT Comments FROM TableName WHERE Comments LIKE '%- Automated') https://www.w3schools.com/sql/func_sqlserver_trim.asp.
12 lut 2024 · To search for a record that contains a specific word in a specific field, we will use SELECT statement in SQL with WHERE clause to filter the results based on a specific word. Consider a table named products with columns product_id and product_name. We want to select products where the product name contains the word "chair". Query: product_id INT,
23 lut 2023 · As its name implies, the DISTINCT keyword is commonly used in a SQL SELECT statement to return a distinct set of values. This tip will look at several simple examples of using SELECT DISTINCT that you can copy, paste, and edit for your needs.
The WHERE clause is used to filter records. It is used to extract only those records that fulfill a specified condition. Select all customers from Mexico: SELECT column1, column2, ... SELECT statements, it is also used in UPDATE, DELETE, etc.! Below is a selection from the Customers table used in the examples: 120 Hanover Sq.
If I have a table field named 'description', what would be the SQL (using MS SQL) to get a list of records of all distinct words used in this field. For example: If the table contains the following for the 'description' field:
We’ll use the SQL DISTINCT clause to remove duplicate rows. Here’s the query: SELECT DISTINCT author_firstname, author_lastname FROM books; Here’s the result of the query:
