Daten aus einer DB auf der Webseite anzeigen

Liebe Community,

mein Problem ist vermutlich lachhaft einfach, aber ich bin völlig neu in der WP Welt und habe keine Erfahrungen mit PHP oder MySQL…

Ich möchte eine Seite generieren die mir zum unteren Beispiel die Anzahl der Haustiere je nach gesetztem Parameter (Stadt) anzeigt.
Zu der Anzahl sollen dann noch die Verbundenen Daten als Zusatzinformationen gezeigt werden (Land, Kontinent sowie Rasse)

Die Daten sind in einer anderen Datenbank als der WP-eigenen abgelegt.
Mein Hosting ist übrigens bei Strato.

Folgende Struktur habe ich mir für die Datenbank überlegt:

Tabelle: Kontinent			
ID (PRIMARY)	Name (UNIQUE)		
1	Europa		
2	Afrika		
3	Asien		
			
Tabelle: Länder			
ID (PRIMARY)	Name (UNIQUE)	Kontinent-ID (SECONDARY)	
1	Deutschland 	1	
2	Österreich 	1	
3	China	3	
			
Tabelle: Städte			
ID (PRIMARY)	Name (UNIQUE)	Länder-ID (SECONDARY)	
1	München	1	
2	Berlin	1	
3	Wien	2	
			
Tabelle: Rassen			
ID (PRIMARY)	Name (UNIQUE)		
1	Katze		
2	Hund		
3	Vogel		
			
Tabelle: Haustiere			
ID (PRIMARY)	Name (UNIQUE)	Rassen-ID (SECONDARY)	
1	Labrador	2	
2	Spitz	2	
3	Wellensittich 	3	
			
Tabelle: Population			
ID (PRIMARY)	Städte-ID (SECONDARY)	Anzahl	Haustiere-ID (SECONDARY)
1	1	5.500	1
2	1	7.210	2
3	1	12	3
4	2	40	3
5	3	6.490	1
6	3	33	3

————————————————————————————————————————————

Ich würde mich sehr über ein bisschen Starthilfe freuen.
Sehr gerne auch Einführungen die in meine gehoffte Richtung gehen…

Vielen Dank & Liebe Grüße,

Pax

————————————————————————————————————————————


### wp-core ###

version: 6.1.1
site_language: de_DE
user_language: de_DE
timezone: +00:00
permalink: /%category%/%postname%/
https_status: false
multisite: false
user_registration: 0
blog_public: 1
default_comment_status: open
environment_type: production
user_count: 3
dotorg_communication: true

### wp-paths-sizes ###

wordpress_path: /mnt/web307/a3/04/512112204/htdocs/STRATO-apps/wordpress_01/app
wordpress_size: 56,34 MB (59080820 bytes)
uploads_path: /mnt/web307/a3/04/512112204/htdocs/STRATO-apps/wordpress_01/app/wp-content/uploads
uploads_size: 574,04 kB (587814 bytes)
themes_path: /mnt/web307/a3/04/512112204/htdocs/STRATO-apps/wordpress_01/app/wp-content/themes
themes_size: 20,12 MB (21102478 bytes)
plugins_path: /mnt/web307/a3/04/512112204/htdocs/STRATO-apps/wordpress_01/app/wp-content/plugins
plugins_size: 174,71 MB (183195997 bytes)
database_size: 2,23 MB (2342912 bytes)
total_size: 253,97 MB (266310021 bytes)

### wp-dropins (1) ###

fatal-error-handler.php: true

### wp-active-theme ###

name: Ambitio (ambitio)
version: 1.0
author: ThemeZee
author_website: https://themezee.com/
parent_theme: none
theme_features: post-thumbnails, responsive-embeds, editor-styles, html5, automatic-feed-links, block-templates, widgets-block-editor, editor-style
theme_path: /mnt/web307/a3/04/512112204/htdocs/STRATO-apps/wordpress_01/app/wp-content/themes/ambitio
auto_update: Aktiviert

### wp-themes-inactive (5) ###

FlatOn: version: 1.2.3, author: N. Venkat Raj, Automatische Aktualisierungen aktiviert
Twenty Twenty-One: version: 1.7, author: WordPress-Team, Automatische Aktualisierungen aktiviert
Twenty Twenty-Three: version: 1.0, author: WordPress-Team, Automatische Aktualisierungen aktiviert
Twenty Twenty-Two: version: 1.3, author: WordPress-Team, Automatische Aktualisierungen aktiviert
Writers: version: 4.2, author: Writerstheme, Automatische Aktualisierungen aktiviert

### wp-mu-plugins (3) ###

Index WP MySQL For Speed Upgrade Filter for mu-plugins.: author: (undefined), version: 1.4.11
WordPress automation by Installatron: author: (undefined), version: (undefined)
WordPressSecureMode.php: author: (undefined), version: (undefined)

### wp-plugins-active (14) ###

BSK PDF Manager: version: 3.4, author: BannerSky.com, Automatische Aktualisierungen aktiviert
Guaven SQL Charts: version: 2.3.5, author: Guaven Labs, Automatische Aktualisierungen aktiviert
Index WP MySQL For Speed: version: 1.4.11, author: Oliver Jones, Rick James, Automatische Aktualisierungen aktiviert
Jetpack: version: 11.5.1, author: Automattic, Automatische Aktualisierungen aktiviert
Limit Login Attempts Reloaded: version: 2.25.8, author: Limit Login Attempts Reloaded, Automatische Aktualisierungen aktiviert
Simple Table Manager: version: 1.5.5, author: Ryo Inoue & lorro, Automatische Aktualisierungen aktiviert
Site Kit by Google: version: 1.87.0, author: Google, Automatische Aktualisierungen aktiviert
TablePress: version: 1.14, author: Tobias Bäthge, Automatische Aktualisierungen aktiviert
Template Library and Redux Framework: version: 4.3.20, author: Extendify, Automatische Aktualisierungen aktiviert
The Events Calendar: version: 6.0.4, author: The Events Calendar, Automatische Aktualisierungen aktiviert
User Role Editor: version: 4.63.1, author: Vladimir Garagulya, Automatische Aktualisierungen aktiviert
WPIDE - File Manager & Code Editor: version: 3.4.4, author: XplodedThemes, Automatische Aktualisierungen aktiviert
WP phpMyAdmin: version: 5.2.0.7, author: Puvox.software, Automatische Aktualisierungen aktiviert
Zapier for WordPress: version: 1.0.4, author: Zapier, Automatische Aktualisierungen aktiviert

### wp-plugins-inactive (3) ###

Akismet Anti-Spam: version: 5.0.1, author: Automattic, Automatische Aktualisierungen aktiviert
Strato Assistant: version: 7.3.0, author: Strato, Automatische Aktualisierungen aktiviert
WPForms Lite: version: 1.7.8, author: WPForms, Automatische Aktualisierungen aktiviert

### wp-media ###

image_editor: WP_Image_Editor_Imagick
imagick_module_version: 1692
imagemagick_version: ImageMagick 6.9.12-60 Q16 x86_64 17403 https://legacy.imagemagick.org
imagick_version: 3.5.1
file_uploads: File uploads is turned off
post_max_size: 128M
upload_max_filesize: 128M
max_effective_size: 128 MB
max_file_uploads: 20
imagick_limits: 
	imagick::RESOURCETYPE_AREA: 4 GB
	imagick::RESOURCETYPE_DISK: 9.2233720368548E+18
	imagick::RESOURCETYPE_FILE: 192
	imagick::RESOURCETYPE_MAP: 4 GB
	imagick::RESOURCETYPE_MEMORY: 2 GB
	imagick::RESOURCETYPE_THREAD: 1
imagemagick_file_formats: 3FR, 3G2, 3GP, A, AAI, AI, APNG, ART, ARW, AVI, AVS, B, BGR, BGRA, BGRO, BMP, BMP2, BMP3, BRF, C, CAL, CALS, CANVAS, CAPTION, CIN, CIP, CLIP, CMYK, CMYKA, CR2, CR3, CRW, CUR, CUT, DATA, DCM, DCR, DCX, DDS, DFONT, DNG, DPX, DXT1, DXT5, EPDF, EPI, EPS, EPS2, EPS3, EPSF, EPSI, EPT, EPT2, EPT3, ERF, FAX, FILE, FITS, FRACTAL, FTP, FTS, G, G3, G4, GIF, GIF87, GRADIENT, GRAY, GRAYA, GROUP4, H, HALD, HDR, HISTOGRAM, HRZ, HTM, HTML, HTTP, HTTPS, ICB, ICO, ICON, IIQ, INFO, INLINE, IPL, ISOBRL, ISOBRL6, JNG, JNX, JPE, JPEG, JPG, JPS, JSON, K, K25, KDC, LABEL, M, M2V, M4V, MAC, MAGICK, MAP, MASK, MAT, MATTE, MEF, MIFF, MKV, MNG, MONO, MOV, MP4, MPC, MPEG, MPG, MRW, MSL, MSVG, MTV, MVG, NEF, NRW, NULL, O, ORF, OTB, OTF, PAL, PALM, PAM, PANGO, PATTERN, PBM, PCD, PCDS, PCL, PCT, PCX, PDB, PDF, PDFA, PEF, PES, PFA, PFB, PFM, PGM, PGX, PICON, PICT, PIX, PJPEG, PLASMA, PNG, PNG00, PNG24, PNG32, PNG48, PNG64, PNG8, PNM, POCKETMOD, PPM, PS, PS2, PS3, PSB, PSD, PTIF, PWP, R, RADIAL-GRADIENT, RAF, RAS, RAW, RGB, RGBA, RGBO, RGF, RLA, RLE, RMF, RW2, SCR, SCREENSHOT, SCT, SFW, SGI, SHTML, SIX, SIXEL, SPARSE-COLOR, SR2, SRF, STEGANO, SUN, SVG, SVGZ, TEXT, TGA, THUMBNAIL, TIFF, TIFF64, TILE, TIM, TTC, TTF, TXT, UBRL, UBRL6, UIL, UYVY, VDA, VICAR, VID, VIDEO, VIFF, VIPS, VST, WBMP, WEBM, WEBP, WMV, WPG, X3F, XBM, XC, XCF, XPM, XPS, XV, Y, YCbCr, YCbCrA, YUV
gd_version: bundled (2.1.0 compatible)
gd_formats: GIF, JPEG, PNG, WebP, BMP
ghostscript_version: not available

### wp-server ###

server_architecture: Linux localhost 3.10.0-1160.71.1.el7.x86_64 #1 SMP Linux localhost 3.10.0-1160.71.1.el7.x86_64 #1 SMP Linux localhost 3.10.0-1160.71.1.el7.x86_64 #1 SMP
httpd_software: Apache/2.4.54 (Unix)
php_version: 8.0.24 64bit
php_sapi: cgi-fcgi
max_input_variables: 4000
time_limit: 240
memory_limit: 512M
max_input_time: 60
upload_max_filesize: 128M
php_post_max_size: 128M
curl_version: 7.85.0 OpenSSL/1.1.1q
suhosin: false
imagick_availability: true
pretty_permalinks: true
htaccess_extra_rules: true

### wp-database ###

extension: mysqli
server_version: 5.7.38-log
client_version: mysqlnd 8.0.24
max_allowed_packet: 67108864
max_connections: 3000

### wp-constants ###

WP_HOME: undefined
WP_SITEURL: undefined
WP_CONTENT_DIR: /mnt/web307/a3/04/512112204/htdocs/STRATO-apps/wordpress_01/app/wp-content
WP_PLUGIN_DIR: /mnt/web307/a3/04/512112204/htdocs/STRATO-apps/wordpress_01/app/wp-content/plugins
WP_MEMORY_LIMIT: 40M
WP_MAX_MEMORY_LIMIT: 512M
WP_DEBUG: false
WP_DEBUG_DISPLAY: true
WP_DEBUG_LOG: false
SCRIPT_DEBUG: false
WP_CACHE: false
CONCATENATE_SCRIPTS: undefined
COMPRESS_SCRIPTS: undefined
COMPRESS_CSS: undefined
WP_ENVIRONMENT_TYPE: Nicht definiert
DB_CHARSET: utf8
DB_COLLATE: undefined

### wp-filesystem ###

wordpress: writable
wp-content: writable
uploads: writable
plugins: writable
themes: writable
mu-plugins: writable
0: Writable

### redux-framework ###

version: 4.3.20
installation: plugin
data directory: /mnt/web307/a3/04/512112204/htdocs/STRATO-apps/wordpress_01/app/wp-content/plugins/redux-framework/redux-core/
browser: 
	Agent: Mozilla/5.0 (iPad; CPU OS 15_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/107.0.5304.101 Mobile/15E148 Safari/604.1
	Browser: Chrome
	Version: 107.0.5304.101
	Platform: iPad

### jetpack ###

site_id: 212372129
ssl_cert: No
time_diff: undefined
version_option: 11.5.1:1668355255
old_version: 11.5.1:1668355255
public: Public
master_user: Kein Masterbenutzer festgelegt.
current_user: #1 admin
tokens_set: Blog 
blog_token: #iQPqwiPc#8GR&FERtpcB&rtTNumzoK1
user_token: Not set.
version: 11.5.1
jp_plugin_dir: /mnt/web307/a3/04/512112204/htdocs/STRATO-apps/wordpress_01/app/wp-content/plugins/jetpack/
plan: free
protect_header: false
full_sync: {"started":"Sun, 13 Nov 2022 16:13:02 +0000","finished":"Sun, 13 Nov 2022 16:13:13 +0000","progress":{"comments":{"total":"1","sent":1,"finished":true,"last_sent":"1"},"constants":{"finished":true},"functions":{"finished":true},"options":{"finished":true},"posts":{"total":"6","sent":6,"finished":true,"last_sent":"1"},"term_relationships":{"total":"1","sent":1,"finished":true,"last_sent":{"object_id":"1","term_taxonomy_id":"1"}},"terms":{"total":"4","sent":4,"finished":true,"last_sent":"1"},"themes":{"finished":true},"updates":{"finished":true},"users":{"total":"3","sent":3,"finished":true,"last_sent":"1"}},"config":{"comments":1,"constants":1,"functions":1,"options":1,"posts":1,"term_relationships":1,"terms":1,"themes":1,"updates":1,"users":1}}
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idc_urls: {"home":"http:\/\/angzarr.de","siteurl":"http:\/\/angzarr.de","WP_HOME":"","WP_SITEURL":""}
idc_error_option: false
idc_optin: true
cxn_tests: All Pass.

### google-site-kit ###

version: 1.87.0
php_version: 8.0.24
wp_version: 6.1.1
reference_url: http://angzarr.de
amp_mode: no
site_status: not-connected
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enabled_features: 
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	ga4ActivationBanner: ⭕
	ideaHubModule: ⭕
	twgModule: ⭕
	userInput: ⭕
search_console_property: none
analytics_account_id: none
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analytics_4_use_snippet: yes

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