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Editor to share with you about the SQL database add, delete, change and check grammar examples, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

SQL SELECT syntax

SELECT column_name,column_nameFROM table_name

Vs.

SELECT * FROM table_name

SQL INSERT INTO syntax

INSERT INTO statements can be written in two forms.

In the first form, you do not need to specify the name of the column in which you want to insert data, just provide the value to be inserted:

INSERT INTO table_nameVALUES (value1,value2,value3,...)

The second form requires you to specify the column name and the value to be inserted:

INSERT INTO table_name (column1,column2,column3,...) VALUES (value1,value2,value3,...)

SQL UPDATE syntax

UPDATE table_nameSET column1=value1,column2=value2,...WHERE some_column=some_value

SQL DELETE syntax

DELETE FROM table_nameWHERE some_column=some_value; above are all the contents of this article entitled "examples of adding, deleting and changing the Grammar of SQL Database". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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