A file where all the records are of the same length is said to have fixed length records.
Advantage : Access is fast because the computer knows where each record starts.
Eg If each record is 120 bytes long then
Disadvantage : Using Fixed length records, the records are usually larger and therefore need more storage space and are slower to transfer (load or save).
One or more of the fields can be of differing lengths in each record, called variable length records
Advantages:
Disadvantages:
The computer will be unable to determine where each record starts so processing the records will be slower.
A fixed length record is a data structure that contains a standard amount fields, within the actual record.
single valued attribute are one character in a record
Reasoning is actively analyzing. Remembering is simply making a mental record.
sript is frame like structure used to represent commonly occuring experiences eg:- shopping in a supermarket , going to the library etc. whereas frames are general record like structure which consists of collection of slots and slot values . The slotncan be of any size and type . Slots typically have names and values called facets
add new
fixed length database
The difference between a timer and a counter is that a timer can be set to record different time intervals. As were a counter only records an overall length of time.
In a Multi-list organisation an index entry points to the first data record in the list, whereas in inverted index file an index entry has address pointers to all the data records related to it. • A multi-list index has fixed length records, whereas an inverted index contains variable length records
For direct access with variable-length records, it's virtually impossible to access a record directly because the address of the desired record can't be easily computed. In order to access a record, the File Manager must do a sequential search through the records. The File Manager could search forward from the CBA-if the address of the desired record was between the CBA and the end of the file. Otherwise, the search would start from the beginning of the file. It could be said that this semi-sequential search is only semi-adequate
Character string values storage:1. CHAR:§ Stores strings of fixed length.§ The length parameter s specifies the length of the strings.§ If the string has smaller length it padded with space at the end§ It will waste of a lot of disk space.§ If the string has bigger length it truncated to the scale number of the string.2. VARCHAR:§ Stores strings of variable length.§ The length parameter specifies the maximum length of the strings§ It stores up to 2000 bytes of characters§ It will occupy space for NULL values§ The total length for strings is defined when database was created.3. VARCHAR(2):§ Stores strings of variable length.§ The length parameter specifies the maximum length of the strings§ It stores up to 4000 bytes of characters§ It will not occupy space for NULL values§ The total length of strings is defined when strings are given
There is definitely a difference between a ticket and a warning. A warning does not go on record a ticket does
The independent variable is the one that the person doing the experiment changes themself. The dependant variable is the one that is recorded as results. For example, if investigating the effect of water on the rate of photosynthesis, you would change the amount of water and record how the rate of photosynthesis changes. Therefore, the amount of water is the independent variable and the rate of photosynthesis is the dependant variable.
data record is about the Recording of data .. while information is the data which we are about to record
Different between farm record and farm accaunt
A person is convicted when they are found guilty of a crime in a court of law, resulting in a criminal record and possible punishment. On the other hand, a person is acquitted when they are found not guilty of a crime, meaning they are cleared of the charges and do not face any legal consequences.
A record is a single row of data within a database that contains information about a specific entity. A database is a collection of records organized in a structured format that allows for storage, retrieval, and manipulation of data. In other words, a database is like a container that holds records.
Type your answer here... contains the data and have only one record format