update tsql

t-sql/README.md

@@ -76,6 +76,44 @@ SET @SQL = LEFT(@SQL, LEN(@SQL) - 10)
 EXEC sp_executesql @SQL
 ```
 
+### String Suche in einem bestimmten Feld über alle DB
+
+```sql
+DECLARE @SearchStr NVARCHAR(100) = '%sts.%'  -- Replace with your search string
+DECLARE @SQL NVARCHAR(MAX) = ''
+DECLARE @DatabaseName NVARCHAR(128)
+
+-- Cursor to loop through all databases
+DECLARE db_cursor CURSOR FOR
+SELECT name
+FROM sys.databases
+WHERE state_desc = 'ONLINE' 
+  AND name NOT IN ('Hallengreen')  -- Optional: Exclude system databases
+
+OPEN db_cursor
+FETCH NEXT FROM db_cursor INTO @DatabaseName
+
+WHILE @@FETCH_STATUS = 0
+BEGIN
+    -- Create dynamic SQL for each database to search in the dbo.STM table
+    SET @SQL = 'USE ' + QUOTENAME(@DatabaseName) + ';' + CHAR(13) + CHAR(10) +
+               'IF EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = ''dbo'' AND TABLE_NAME = ''STM'')' + CHAR(13) + CHAR(10) +
+               'BEGIN' + CHAR(13) + CHAR(10) +
+               '    SELECT *' + CHAR(13) + CHAR(10) +
+               '    FROM dbo.STM' + CHAR(13) + CHAR(10) +
+               '    WHERE STM_VALUE LIKE ''' + @SearchStr + ''';' + CHAR(13) + CHAR(10) +
+               'END;' + CHAR(13) + CHAR(10)
+
+    -- Execute the dynamically created SQL
+    EXEC sp_executesql @SQL
+
+    FETCH NEXT FROM db_cursor INTO @DatabaseName
+END
+
+CLOSE db_cursor
+DEALLOCATE db_cursor
+```
+
 ## convert Unix Timestamp to date
 
 ``` sql