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Python Regular Expression | Regular Expressions in Python | Part 2 - Search, Match and Find All - The module re provides support for regular expressions in Python. Below are main methods in this module.
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Mean Median Mode - R uses many in-built functions to perform Statistical analysis in R is performed by using many in-built functions.
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coalesce function in sql - Evaluates the arguments in order and returns the current value of the first expression that initially does not evaluate to NULL.The COALESCE function in SQL returns the first non-NULL expression among its arguments.
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Convert SQL | Convert Function in SQL - The CONVERT() function is a general function that converts an expression of one data type to another. The CONVERT() function can be used to display date/time data in different formats.
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exists in sql - • EXISTS is a Boolean operator used in a subquery to test whether the inner query returns any row.
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insert into sql - The SQL INSERT INTO Statement is used to add new rows of data to a table in the database. The INSERT INTO statement is used to add new records into a database table. In SQL, there are basically two ways to INSERT data into a table: One is to insert it one row at a time, the other is to insert multiple rows at a time.
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length function in sql - The Length function in SQL is used to get the length of a string. This function has a different name for different databases: MySQL : LENGTH( ), Oracle : LENGTH( ), SQL Server: LEN( )
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>SQL order by | order by Command in SQL - The ORDER BY command in SQL will sort the result set in either ascending or descending order. ORDER BY usually appears last in a SQL statement because it is performed after the result set has been retrieved.The ORDER BY keyword will sort the records in ascending order by default. To sort the records in descendingorder, use the DESC keyword.
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