This article gives you all the information you need in order to begin working with numbers in your PL/SQL programs. ... To create an integer sequence number similar to an identity column that increments by 1 from 1 to 2,147,483,647, use the following statement. The replicate T-SQL function in Microsoft’s SQL Server makes it simple to add leading zeros to a number value. 7: WHERE SALARY LIKE '2___3' Finds any values in a five-digit number that start with 2 and end with 3. SQL statement to retrieve names beginning with A or S or Z. 6: WHERE SALARY LIKE '_2%3' Finds any values that have a 2 in the second position and end with a 3. SQL is followed by a unique set of rules and guidelines called Syntax. All the SQL statements start with any of the keywords like SELECT, INSERT, UPDATE, DELETE, ALTER, DROP, CREATE, USE, SHOW and all the statements end with a semicolon (;). select * from table where name like 'A%' or name like 'S%' or name like 'Z%' Comment. I have a c# code which updates the table by filling a Dataset. A true decimal datatype that is ideal for working with monetary amounts. Finds any values that start with 2 and are at least 3 characters in length. Assigns sequence number to table rows in incrementing integer values starting at 1 for the first row. Here is a list of SQL queries that are really important for coding & optimization. I want to do it with all letters "A" , "B" , "C" ... Something like Iphone Contact list , all familly name are in alphatical order. Applies to: SQL Server ... Options enable you to control the increment, maximum and minimum values, starting point, automatic restarting capability, and caching to improve performance. select * from table where name like (A% , S%, Z%) or is the below query only the solution. The SQL92 standard dictates how database manufacturers define number behaviors, such as length and truncation. Now I want to select all contact starting with "A" as the last name. I have a table in sql server 2000 which has a column whose name starts with a number("2ndName"). ROW_NUMBER, analytic and ranking function in SQL Server. Tom Staab Is there any statement like. create table emp ( empid int, salary int ); Insert some sample data into table … When I issue an update, it throws the following error:-"Incorrect Syntax near 2" Depending on the database you might be able to use a wildcard too, for instance in MS SQL Server you could do: LIKE '[0-9]%' and it'd look for anything starting in the range 0 to 9. Numbers in PL/SQL. Here the Insurance Number and the Pan Number can be considered as unique keys. Second, filter rows by requested page. And show them into my contact list. SQL is incredibly powerful, and like every well-made development tool, it has a few commands which it’s vital for a good developer to know. Let’s create a table ‘emp’ with empid and salary columns. This tutorial gives you a quick start with SQL by listing all the basic SQL Syntax. PL/SQL offers a variety of numeric datatypes to suit different purposes: NUMBER. Foreign Key – An attribute that can only take the values present as the values of some other attribute, is the foreign key to the attribute to which it refers. First, use the ROW_NUMBER() function to assign each row a sequential integer number. Question PHP/SQL: I have an EXEC that take all my contact list from my Database and put them into a variable. Each of the queries in our SQL tutorial is consequential to almost every system that interacts with an SQL database. 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. 5: WHERE SALARY LIKE '%2' Finds any values that end with 2. The following statement returns the records of the second page, each page has ten records. Failing to understand number data types poses a DBA's greatest risk of compromised data. Assigned row numbers act as temporary value to result set not persistent. 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