関連ワード:  what is variable in sql server    what is table variable in sql server    what is scalar variable in sql server    what is temporary variable in sql server    what is table variable in sql server with example    what is local variable and global variables in sql server    what is the scope of table variable in sql server    what is the use of table variable in sql server    what is the life scope of the local variable in sql server    what is variable in sql