How to Search Text in Sql Server Database

declare @SearchStr varchar(max)= 'File' declare @Results as table
(
ColumnName varchar(max),
ColumnValue varchar(max)
)

DECLARE @TableName varchar(max),
@ColumnName varchar(max),
@SearchStr2 varchar(max)
SET
@TableName = ''
SET
@SearchStr2 = QUOTENAME('%' + @SearchStr + '%', '''') WHILE @TableName IS NOT NULL BEGIN
SET
@ColumnName = ''
SET
@TableName =
(
SELECT
MIN(
QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)
)
FROM
INFORMATION_SCHEMA.TABLES
WHERE
TABLE_TYPE = 'BASE TABLE'
AND QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME) > @TableName
AND OBJECTPROPERTY(
OBJECT_ID(
QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)
),
'IsMSShipped'
) = 0
) WHILE (@TableName IS NOT NULL)
AND (@ColumnName IS NOT NULL) BEGIN
SET
@ColumnName =
(
SELECT
MIN(
QUOTENAME(COLUMN_NAME)
)
FROM
INFORMATION_SCHEMA.COLUMNS
WHERE
TABLE_SCHEMA = PARSENAME(@TableName, 2)
AND TABLE_NAME = PARSENAME(@TableName, 1)
AND DATA_TYPE IN (
'char', 'varchar', 'nchar', 'nvarchar'
)
AND QUOTENAME(COLUMN_NAME) > @ColumnName
) IF @ColumnName IS NOT NULL BEGIN INSERT INTO @Results EXEC (
'SELECT ''' + @TableName + '.' + @ColumnName + ''', LEFT(' + @ColumnName + ', 3630)
FROM ' + @TableName + ' (NOLOCK) ' + ' WHERE ' + @ColumnName + ' LIKE ' + @SearchStr2
)
END END END

SELECT ColumnName, ColumnValue FROM @Results