SQL CHARINDEX()
SQL CHARINDEX() function searches for a substring inside a string starting from a specified location.
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SQL Basics Tutorial for beginners
SQL SUBSTRING()
SQL SUBSTRING()functions extracts a substring with a specified length starting from a location in an input string.
SQL DATALENGTH Function
SQL DATALENGTH() function is used to return the number of bytes used to represent a given string.
SQL Server RTRIM()
SQL Server RTRIM() function is used to trim trailing characters from a character string.
SQL Server LTRIM()
SQL Server LTRIM() function is used to trim leading characters from a character string.
SQL SERVER REPLACE
SQL REPLACE() function is used to replace all occurrences of a substring in a string with a new substring .
SQL LEN()
SQL LEN() function is used to count the number or length of character in given string. It returns integer value always and null for empty string.
SQL EOMONTH()
SQL EOMONTH() function is a date function , it returns the last day of the month of a specified date, with an optional offset.
SQL Server DELETE
SQL delete statement is used to delete records from table based on specific conditions which are passed in where clause.
SQL ALTER TABLE
SQL ALTER TABLE statement is used to modify the data type of a column , add a new column ,delete an old column from table and add a new constraints and remove an existing constraints on table.
SQL INSERT INTO SELECT
SQL INSERT INTO SELECT statement selects data from one table and insert it into another table.
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