SQL SERVER – Query to Find Size of All Tables of Database

SELECT
    s.Name AS SchemaName,
    t.NAME AS TableName,
    p.rows AS RowCounts,
    SUM(a.total_pages) * 8 AS TotalSpaceKB,
    SUM(a.used_pages) * 8 AS UsedSpaceKB,
    (SUM(a.total_pages) - SUM(a.used_pages)) * 8 AS UnusedSpaceKB
FROM
    sys.tables t
INNER JOIN
    sys.schemas s ON s.schema_id = t.schema_id
INNER JOIN    
    sys.indexes i ON t.OBJECT_ID = i.object_id
INNER JOIN
    sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
INNER JOIN
    sys.allocation_units a ON p.partition_id = a.container_id
WHERE
    t.NAME NOT LIKE 'dt%'    -- filter out system tables for diagramming
    AND t.is_ms_shipped = 0
    AND i.OBJECT_ID > 255
GROUP BY
    t.Name, s.Name, p.Rows
ORDER BY
    s.Name, t.Name

SQL SERVER – Query to Find Column From All Tables of Database

SELECT    t.name AS table_name,

SCHEMA_NAME(schema_id) AS schema_name,

c.name AS column_name

FROM sys.tables AS t

INNER JOIN sys.columns c ON t.OBJECT_ID = c.OBJECT_ID

WHERE c.name LIKE '%ColumnName%'

ORDER BY schema_name, table_name;