diff --git a/docs/lib/db.md b/docs/lib/db.md
index f8d9dfb..96cca34 100644
--- a/docs/lib/db.md
+++ b/docs/lib/db.md
@@ -137,7 +137,7 @@ PATTERN            Pattern to filter tables.
 
 ## db-query
 
-Execute single queries on a database.
+Execute single queries on a database, or multiple databases if DB name contains SQL style wildcard `%`.
 
 **Usage**
 
@@ -145,7 +145,7 @@ Execute single queries on a database.
 db-query DB QUERY [EXTRA]...
 
 Params:
-DB                 Database name
+DB                 Database name or pattern (with % as wildcard - SQL style)
 QUERY              Query to execute
 EXTRA              Optional extra params to 'mysql'
 ```
diff --git a/lib/db.sh b/lib/db.sh
index 399c1bd..94e0d14 100644
--- a/lib/db.sh
+++ b/lib/db.sh
@@ -105,15 +105,23 @@ db-list-tables() {
 
 ## Run single query
 ##
-## @param    $1  DB name
+## @param    $1  DB name or pattern
 ## @param    $2  Query
 ## @param    $*  Extra args to mysql
 ####################################
 db-query() {
-    local db="${1:?DB name missing}"
+    local db="${1:?DB name or pattern missing}"
     local query="${2:?Query missing}"
     shift 2
-    sudo mysql -D "${db}" -e "${query}" "${@}"
+
+    if [[ "${db}" == *%* ]]; then
+        while read -r database; do
+            print-header "DB: ${database}"
+            db-query "${database}" "${query}" "${@}"
+        done < <(sudo mysql -Bse "SHOW DATABASES LIKE '${db}'" || true)
+    else
+        sudo mysql -D "${db}" -e "${query}" "${@}"
+    fi
 }
 
 ## Replace string in table