"Windows cannot access the specified device..." when installing from a CD/DVD

 In Group Policy:

Computer Configuration -->Administrative Templates --> System --> Removable Storage Access:

CD and DVD: Deny execute access

Find a string by searching all tables in SQL Server Management Studio

 USE DATABASE_NAME

DECLARE @SearchStr nvarchar(100) = 'SEARCH_TEXT'

DECLARE @Results TABLE (ColumnName nvarchar(370), ColumnValue nvarchar(3630))

SET NOCOUNT ON

DECLARE @TableName nvarchar(256), @ColumnName nvarchar(128), @SearchStr2 nvarchar(110)

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', 'int', 'decimal')

                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

SQL Server: Determine the transaction log usage

 DBCC SQLPERF (logspace)

Returns the current size of the transaction log and the percentage of log space used for each database. Use this information to monitor the amount of space used in a transaction log.