Terms Used to Describe Fields in a Database

What term is used to describe selecting and viewing information in a database. The DESCRIBE command is equivalent to the following command.

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What kind of software do vendors such as IBM Computer.

. A cluster of domain. Database Instance - An independent database that shares the same schema as another database. SHOW columns from yourTableName command.

A field or set of fields that uniquely identifies the data management An integrated set of functions that defines the processes by which data is obtained certified fit for use stored secured and processed in such a way as to ensure that the accessibility reliability and timeliness of the data meet the needs of the data users within an organization. A term that refers to the model properties of database transactions traditionally used for SQL databases. Posted on May 28 2016.

Field - columns used to capture attributes. An index is a mechanism to improve the performance of a database. SELECT TABLE_NAME Table COLUMN_NAME Field COLUMN_TYPE Type IS_NULLABLE Null COLUMN_KEY Key COLUMN_DEFAULT Default EXTRA Extra FROM information_schemacolumns WHERE table_schema your_db ORDER BY TABLE_NAME.

Indexes are sorted lists that point to a particular row in a table. In database terminology field is often used to refer to the individual cells within a row or column. Most databases use indexes to allow faster access to the information in the database.

A database that consists of a single table. A field is said to contain a null value when it contains nothing at all. For this reason many fields are specifically set not to contain null values.

Online Electronics Shopping Store - Buy Mobiles Laptops Camera Online India. The database field types determine what kind of data can be stored in each field. This comment will not be used anywhere within the program - its just for your reference.

Field names for the data in the Instructor file are Instructor ID First Name Last Name Extension Office and Web Address. Attributes - details about the entity. When searching for data in a database you often specify the field name.

In some database systems youll find fields referred to as attributes. So desc or describe command shows the structure of table which. A field is a combination of one or more related characters or bytes and is the smallest unit of data a user accesses.

Name Null Type FIRST_NAME CHAR25 LAST_NAME CHAR25 SALARY NUMBER6. ACID Atomicity Consistency Isolation Durability. You can compare it to a box.

Field markers 3Field definition 4. Lightweight database programs such as the database component in Microsoft Works are sometimes called flat-file managers or list managers because they can only handle single-table databases. When referring to an individual cell were usually referring to the value within that cell.

The DESC is the short form of DESCRIBE command and used to dipslay the information about a table like column names and constraints on column name. See answer 1 Best Answer. ______ describe what is database fields.

Is an attribute or set of attributes used to uniquely identify each row. Field a specific item of information containing a homogenous set of values throughout the table. Table - a set of fields and records.

Here above on using DESC or either DESCRIBE we are able to see the structure of a table but not on the console tab the structure of table is shown in the describe tab of the Database System Software. Fields appear as columns in a table and as cells in a form. Db_VISTA - Original name from 1984 for the Raima DBMS product now called RDM.

Field data types - a characteristic of a field that determines what kind of data it can store. For example a field whose data type is Text can store data consisting. A relational database record can best be described as.

Show activity on this post. A field is were you store data. A one-to-one database table relationship can best be described as a table relationship in which.

For fields that are used by the system - such as the Enter and Modify dates - a comment will be shown and this cannot be modified. Text field A field that stores characters letters symbols words a combination of letters and numbers and numbers that do not require calculations. A key accesses specific records in a table.

The MySQLs DESCRIBE or DESC both are equivalent. A field name uniquely identifies each field. However it can also refer to the whole column itself.

Electronics Bazaar is one of best Online Shopping Store in India. Each record in Table A can have only one matching record in Table B and vice versa. Show activity on this post.

Text Alphanumeric Character String Byte Short Integer Long Integer Single Real Double Float Counter DateTime TimeStamp Date Time LongText LongChar Memo Note Binary. Tables with fields columns and rows. Record - one row of details about an entity.

Used only in RDM. For the user-defined fields you can enter a comment here to remind yourself what the field is to be used for. The fields descriptors of the individuals include an identification number ID No Name Date of Birth Height and Weight.

Options is. A main component that is created and used to make the database function. Indexes are often confused.

If somebody gives a database commando. DBMS - An acronym for Database Management System. Entities - each recorded item.

Is a column or combination of columns that are used to establish a link between data in two tables. Here are some common database field types which are called different names in accordance with the specific database design. Null fields can create complexities in calculations and have consequences for data accuracy.

Correct Answer of this Question is. A database object that stores related data organized into rows and columns. Name of fields can be.

A collection of information consisting of one or more related fields about a specific entity. The smallest data element contained in a table first name last name address. A complete set of all the data elements fields about one person place even or concept.

How does an RDBMS such as Microsoft SQL Server differ from Microsoft Excel when used to store a dataset. Here there are two database fields. So a user might ask what value is in the FirstName field when referring to an.

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