Database Reference
In-Depth Information
19
Inserting Data
In this chapter, you learn how to insert data into tables using the SQL INSERT
statement.
Understanding Data Insertion
SELECT is undoubtedly the most frequently used SQL statement (which is
why the past 18 chapters were dedicated to it). But there are three other fre-
quently used SQL statements that you should learn. The first one is INSERT .
(You get to the other two in the next chapter.)
As its name suggests, INSERT is used to insert (add) rows to a database table.
Insert can be used in several ways:
To insert a single complete row
To insert a single partial row
To insert multiple rows
To insert the results of a query
We look at each of these in the following sections.
Tip
INSERT and System Security Use of the INSERT statement can be disabled
per table or per user using MariaDB security, as explained in Chapter 28, “Managing
Security.”
Inserting Complete Rows
The simplest way to insert data into a table is to use the basic INSERT syntax,
which requires that you specify the table name and the values to be inserted
into the new row. Here is an example of this:
 
 
 
 
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