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How to use insert statement

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2024-05-06 15:48:171193browse

The INSERT statement can insert new rows into the database table. The syntax is: INSERT INTO table_name (column1, column2, ..., columnN) VALUES (value1, value2, ..., valueN); The steps are as follows: 1. Specify the table name; 2. List the column names into which values ​​are to be inserted; 3. List the corresponding values; 4. End the statement with a semicolon.

How to use insert statement

INSERT Statement: Purpose and Syntax

The INSERT statement is used to insert new rows in a database table. It allows you to add one or more records to the table.

Syntax

<code class="sql">INSERT INTO table_name (column1, column2, ..., columnN)
VALUES (value1, value2, ..., valueN);</code>

Parameters

  • table_name: To which records are to be inserted Table Name.
  • column1, column2, ..., columnN: The name of the column into which values ​​are to be inserted.
  • value1, value2, ..., valueN: The actual value to be inserted.

Usage

To use the INSERT statement, perform the following steps:

  1. Specify the table into which you want to insert records name.
  2. The names of the columns into which values ​​are to be inserted are listed in parentheses.
  3. Inside another bracket, list the values ​​corresponding to the column names.
  4. End the statement with a semicolon (;).

Example

Insert a record into the table named "customers":

<code class="sql">INSERT INTO customers (id, name, email)
VALUES (1, 'John Doe', 'john.doe@example.com');</code>

Notes

  • The order of the columns must match the order of the values ​​in the VALUES clause.
  • The value must be compatible with the column's data type.
  • If no column name is specified, the value will be inserted into the first column in the table.
  • If you want to insert multiple records, please use multiple INSERT statements.
  • You can use the SELECT clause to insert data from another table.

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