SQL – ORDER BY Clause Table of content The SQL ORDER BY Clause The SQL ORDER BY clause is used to sort the data in either ascending or descending order, based on one or more columns. This clause can sort data by a single column or by multiple columns. Sorting by multiple columns can be […]
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SQL – Delete Table Table of content The SQL DELETE is a command of Data Manipulation Language (DML), so it does not delete or modify the table structure but it delete only the data contained within the table. Therefore, any constraints, indexes, or triggers defined in the table will still exist after you delete data […]
SQL – INSERT Query Table of content The SQL INSERT INTO Statement The SQL INSERT INTO Statement is used to add new rows of data into a table in the database. Almost all the RDBMS provide this SQL query to add the records in database tables. Each value in the records we are inserting in […]