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SQL Query Examples

Author: Admin 10/31/2021
Language: SQL
Views: 203
Tags: sql


Here's a short example of SQL Select, Insert, Update, and Delete Queries.


SQL SELECT Statement

The SELECT statement is used to select data from a database.

SELECT column1, column2, ...
FROM table_name;

Here, column1, column2, ... are the field names of the table you want to select data from. If you want to select all the fields available in the table, use the following syntax:

SELECT * FROM table_name;


The INSERT INTO statement is used to insert new records in a table.

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

2. If you are adding values for all the columns of the table, you do not need to specify the column names in the SQL query. However, make sure the order of the values is in the same order as the columns in the table. Here, the INSERT INTO syntax would be as follows:

INSERT INTO table_name
VALUES (value1, value2, value3, ...);

SQL UPDATE Statement

The UPDATE statement is used to modify the existing records in a table.

UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;

SQL DELETE Statement

The DELETE statement is used to delete existing records in a table.

DELETE FROM table_name WHERE condition;

Read More https://www.w3schools.com/sqL/default.asp

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