The DELETE Statement, SQL Tutorial

This page discusses - The DELETE Statement, SQL Tutorial

The DELETE Statement, SQL Tutorial

The DELETE Statement

     

The DELETE statement is used to delete rows from a table. database will update that is why deletion and insertion of data will be done. 

Syntax

 

 

 

 

 

DELETE FROM table_name
WHERE column_name = some_value

Let's consider a table :

Person:

LName FName Address
ram Raj delhi-5
sonu Shiv delhi-5

To Delete a Row  : 

Suppose the row with Lname="sonu" is needed to get deleted
. 
DELETE FROM Person WHERE LName = 'sonu'

Result

LName FName Address
ram Raj delhi-5


To Delete All the Rows : This means that the table structure, attributes, and indexes will be drop.
 
DELETE FROM table_name

Tutorials

  1. Quartz Tutorial
  2. Introduction to Quartz Scheduler
  3. Download Quartz Job Scheduler
  4. Hello World Quartz Scheduler
  5. Jobs & Triggers
  6. More About Triggers
  7. More About Simple Trigger
  8. More About the CronTrigger
  9. Example of Cron Trigger
  10. Implementing more than one Job Details and Triggers
  11. Scheduler Shutdown Example
  12. TriggerListeners and JobListeners
  13. JobStores
  14. Configuration, Resource Usage and StdSchedulerFactory
  15. Establish a Connection with MySQL Database
  16. Advance (Enterprise) Features
  17. Quartz Tutorial
  18. Aggregate Functions in SQL, SQL Tutorial
  19. Backup File With Separator
  20. Backup Into txt File
  21. Backup selected records into txt file
  22. Call Procedure
  23. Close Cursors in SQL
  24. Create After Insert Trigger in SQL
  25. Create Before Insert Trigger in SQL
  26. Create Before Update Trigger in SQL
  27. Create Delete Trigger in SQL
  28. Create a Simple Procedure
  29. Create After Update Trigger in SQL
  30. Create Database in SQL,SQL Tutorial
  31. Creating Cursors in SQL
  32. Declare Cursors in SQL
  33. The DELETE Statement, SQL Tutorial
  34. SQL SELECT DISTINCT Statement
  35. Drop Index
  36. Drop Table
  37. Close Cursors in SQL
  38. Use HANDLER Statement in Cursors
  39. Insert Data From File
  40. The INSERT INTO Statement, SQL Tutorial