![]() Related Questions Latest Answer : The database is actually a collection of objects, which are made up of tablespaces and each tablespace must have datafile associate with it. The tablespace cannot be created without datafile. The tablespaces are two kind physical and logical.The logical ... Latest Answer : an oracle object contains information in rows and columns ... Latest Answer : No, it does not contain own data ... Latest Answer : 1. Provide additional level of table security by restricting access to a predetermined set of rows or columns of a table.2. Hide Data complexity: For example, a single view might be defined with a join, which is a collection of related columns or rows ... Latest Answer : Block is the smallest unit of storage in the logical structure of the database where actual table rows are stored. ... Latest Answer : The primary block size is defined by the Initiaization parameter DB_BLOCK_SIZE. ... Latest Answer : A segment is a set of extents that contains all the data for a specific logical storage structure within a tablespace. For example, for each table, Oracle allocates one or more extents to form that table's data segment, and for each index, Oracle allocates ... Latest Answer : Characteristics of a Data File :
- A Data file can be associated with only one tablespace.
- Once created, a datafile can be increased or decreased in size with RESIZE
command. Example: ALTER database datafile '/u03/oradata/dev01/users_02.dbf'
RESIZE ... Latest Answer : It consists of - one or more data files - one or more control files - two or more redo log files The database contains - Multiple users/schema's - one or more rollback segments - one ... A deadlock is a condition where two or more users are waiting for data locked by each other. Oracle automatically detects a deadlock and resolves them by rolling back one of the statements involved in Latest Answer : Deadlock occurs when two or more users are waiting for data locked by each other. When this happens, these users are stuck (deadly embraced) and cannot continue processing. Oracle automatically detects deadlocks and resolves them by rolling back ...
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