Jul 14, 2009 09:21 PM | Naom | LINK That's much more tricky - you need to … 7: WHERE SALARY LIKE '2___3' Finds any values in a five-digit number that start with 2 and end with 3. The ROW_NUMBER() is a window function that assigns a sequential integer to each row within the partition of a result set. Example. I was recently reviewing my bank statement and noticed they flagged the start of a missing check number with ***’s. Re: SQL Statement: select data from a column where value starts with 'A' or any character. Finds any values that start with 2 and are at least 3 characters in length. Oracle SQL vs. MySQL. The following statement returns the records of the second page, each page has ten records. The row number starts with 1 for the first row in each partition. The Phone column starts with a digit between 4 and 6 ([4-6]) Second character in the Phone column can be anything (_) The third character in the Phone column is 6 (6) The remainder of the Phone column can be any character string (%) Here is the result of this SQL expression: Tests whether the expression is numeric: SELECT ISNUMERIC('4567'); I have a c# code which updates the table by filling a Dataset. The NEXT VALUE FOR function can apply the OVER clause to the function call. 5: WHERE SALARY LIKE '%2' Finds any values that end with 2. SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse: More Examples. The application must restart the number series when a specified number is reached. Note that if INSTR does not find the substring, it returns the number 0 (zero). I have a table in sql server 2000 which has a column whose name starts with a number("2ndName"). When I issue an update, it throws the following error:- The basic two-argument version of INSTR is common to both Oracle SQL and MySQL, but in Oracle SQL, you can optionally use two other arguments — the starting position, and which occurrence of the string you’re looking for, like this: Regarding the issue of parsing and needing to be able to determine if 3e2 is a number or identifier: while this is a consideration, and possibly why numbers are excluded from the "Ident_start" Unicode general category, it is not a universal, and not necessarily why SQL Server excludes them. Second, filter rows by requested page. The following example shows using the MySQL SUBSTRING function with a negative starting position. The following shows the syntax of the ROW_NUMBER() function: For example, the first page has the rows starting from one to 9, and the second page has the rows starting from 11 to 20, and so on. I figured with would be a great example for a SQL puzzle as there are many ways you could solve it. The following SQL statement selects all customers with a CustomerName that starts with "a" and are at least 3 characters in length: Example SELECT * FROM Customers The application requires sequence values to be sorted by another field. First, use the ROW_NUMBER() function to assign each row a sequential integer number. Nothing beats practicing what you’ve learned. Solving puzzles is a great way to learn SQL. However, the MS SQL Server’s SUBSTRING function does not. Introduction to SQL Server ROW_NUMBER() function. For example, after assigning values 1 through 10, the application starts assigning values 1 through 10 again. 6: WHERE SALARY LIKE '_2%3' Finds any values that have a 2 in the second position and end with a 3. The SUBSTRING function in MySQL database starts counting from the end of string if you provide a negative number. 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