import sys, glob, os, sqlite3
sys.stdout.reconfigure(encoding="utf-8")

files = sorted(glob.glob(r"\\tower\JNJEMAILS\db\jnjemails_*.db"))
db = files[-1]
print(f"DB: {os.path.basename(db)}\n")

conn = sqlite3.connect(db)
for (tbl,) in conn.execute("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name"):
    print(f"=== {tbl} ===")
    for cid, name, ctype, notnull, dflt, pk in conn.execute(f"PRAGMA table_info({tbl})"):
        flags = []
        if pk: flags.append("PK")
        if notnull: flags.append("NOT NULL")
        if dflt is not None: flags.append(f"default={dflt}")
        print(f"  {name:14} {ctype:10} {' '.join(flags)}")
    cnt = conn.execute(f"SELECT COUNT(*) FROM {tbl}").fetchone()[0]
    print(f"  → {cnt} řádků\n")
conn.close()