Added folder for german translation

de/code/src/apps/ch.5.2/main.go

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+// Example code for Chapter 5.2 from "Build Web Application with Golang"
+// Purpose: Use SQL driver to perform simple CRUD operations.
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	_ "github.com/go-sql-driver/mysql"
+)
+
+const (
+	DB_USER     = "user"
+	DB_PASSWORD = ""
+	DB_NAME     = "test"
+)
+
+func main() {
+	dbSouce := fmt.Sprintf("%v:%v@/%v?charset=utf8", DB_USER, DB_PASSWORD, DB_NAME)
+	db, err := sql.Open("mysql", dbSouce)
+	checkErr(err)
+	defer db.Close()
+
+	fmt.Println("Inserting")
+	stmt, err := db.Prepare("INSERT userinfo SET username=?,departname=?,created=?")
+	checkErr(err)
+
+	res, err := stmt.Exec("astaxie", "software developement", "2012-12-09")
+	checkErr(err)
+
+	id, err := res.LastInsertId()
+	checkErr(err)
+
+	fmt.Println("id of last inserted row =", id)
+	fmt.Println("Updating")
+	stmt, err = db.Prepare("update userinfo set username=? where uid=?")
+	checkErr(err)
+
+	res, err = stmt.Exec("astaxieupdate", id)
+	checkErr(err)
+
+	affect, err := res.RowsAffected()
+	checkErr(err)
+
+	fmt.Println(affect, "row(s) changed")
+
+	fmt.Println("Querying")
+	rows, err := db.Query("SELECT * FROM userinfo")
+	checkErr(err)
+
+	for rows.Next() {
+		var uid int
+		var username, department, created string
+		err = rows.Scan(&uid, &username, &department, &created)
+		checkErr(err)
+		fmt.Println("uid | username | department | created")
+		fmt.Printf("%3v | %6v | %6v | %6v\n", uid, username, department, created)
+	}
+
+	fmt.Println("Deleting")
+	stmt, err = db.Prepare("delete from userinfo where uid=?")
+	checkErr(err)
+
+	res, err = stmt.Exec(id)
+	checkErr(err)
+
+	affect, err = res.RowsAffected()
+	checkErr(err)
+
+	fmt.Println(affect, "row(s) changed")
+}
+
+func checkErr(err error) {
+	if err != nil {
+		panic(err)
+	}
+}

de/code/src/apps/ch.5.2/readme.md

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+##Setup for `ch.5.2`
+
+- Step 1) Install and run MySql
+- Step 2) Create a user and database according to the constants in `main.go`
+
+		DB_USER     = "user"
+		DB_PASSWORD = ""
+		DB_NAME     = "test"
+
+- Step 3) Create table `userinfo` located at `schema.sql`
+- Step 4) Run `go get` to download and install the remote packages.
+- Step 5) Execute the program with `go run main.go`

de/code/src/apps/ch.5.2/schema.sql

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+CREATE TABLE `userinfo` (
+	    `uid` INT(10) NOT NULL AUTO_INCREMENT,
+	    `username` VARCHAR(64) NULL DEFAULT NULL,
+	    `departname` VARCHAR(64) NULL DEFAULT NULL,
+	    `created` DATE NULL DEFAULT NULL,
+	    PRIMARY KEY (`uid`)
+);