SQL – DROP Database Table of content The SQL DROP DATABASE statement is used to delete an existing database along with all the data such as tables, views, indexes, stored procedures, and constraints. SQL DROP Database Statement Following are the important points to remember before you delete an existing database − Make sure you have […]
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SQL – String Functions SQL string functions are used primarily for string manipulation. The following table details the important string functions − Sr.No. Function & Description 1 Returns numeric value of left-most character 2 Returns the character for each integer passed 3 Returns the position of a substring within the given string. 4 Returns concatenate […]
SQL – Aggregate Functions In general, aggregation is a consideration of a collection of objects that are bound together as a single entity. SQL provides a set of aggregate functions that perform operations on all the entities of the column of a table considering them as a single unit. Following are the SQL aggregate functions […]