SQL code snippets with golang js

package main

import (
	"context"
	"fmt"
	"os"

	"github.com/jackc/pgx/v5"
)

func main() {
	conn, err := pgx.Connect(context.Background(),  "postgres://postgres@bserver.opnroot.com:8098/example")
	if err != nil {
		fmt.Fprintf(os.Stderr, "Unable to connect to database: %v\n", err)
		os.Exit(1)
	}
	defer conn.Close(context.Background())

	var greeting string
	err = conn.QueryRow(context.Background(), "INSERT INTO bleh (id,name,age) VALUES (1,'bob',30);").Scan(&greeting)
	if err != nil {
		fmt.Fprintf(os.Stderr, "QueryRow failed: %v\n", err)
		os.Exit(1)
	}

	fmt.Println(greeting)
}

package main

import (
	"context"
	"fmt"
	"os"

	"github.com/jackc/pgx/v5/pgxpool"
)

func main() {
	dburl := "postgres://postgres@bserver.opnroot.com:8098/example"
	conn, err := pgxpool.New(context.Background(), dburl)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Unable to connect to database: %v\n", err)
		os.Exit(1)
	}
	defer conn.Close()

	var greeting string
	err = conn.QueryRow(context.Background(), "INSERT INTO bleh (id,name,age) VALUES (3,'bob',30);").Scan(&greeting)
	if err != nil {
		fmt.Fprintf(os.Stderr, "QueryRow failed: %v\n", err)
		os.Exit(1)
	}

	fmt.Println(greeting)
}