postgresqlHow can I use PostgreSQL with Habr?

PostgreSQL and Habr can be used together to store and query data. PostgreSQL is an open source object-relational database management system (ORDBMS) that provides a powerful and feature-rich platform for data storage and retrieval.

The following example shows how to connect to a PostgreSQL database from the Habr platform:

// Connect to the PostgreSQL database
$conn = pg_connect("host=localhost port=5432 dbname=mydb user=postgres password=mypass");

// Execute a query
$result = pg_query($conn, "SELECT * FROM mytable");

// Output the results
while ($row = pg_fetch_row($result)) {
  echo "Name: $row[0]  Email: $row[1]";
}

The code above will connect to a PostgreSQL database and execute a query to retrieve data from a table named mytable. The results will be outputted as a list of names and emails.

The following are some of the parts of the code explained:

• pg_connect() – establishes a connection to a PostgreSQL database.
• pg_query() – executes a query against the database.
• pg_fetch_row() – fetches a row from the query result.

For more information on using PostgreSQL with Habr, please refer to the following links:

• PostgreSQL Documentation
• Habr PostgreSQL Tutorial

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