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Description The varray (variable size array) is one of the three types of collections in PL/SQL (associative array, nested table, varray). The varray's key distinguishing feature is that when you declare a varray type, you specify the maximum number of elements that can be defined in the varray.

The %ROWTYPE attribute provides a record type that represents a row in a database table. The record can store an entire row of data selected from the table or fetched from a cursor or cursor variable.Fields in a record and corresponding columns in a row have the same names and datatypes.

Records. Records contain a collection of data for each entity, usually recorded as a row in the table.

The %ROWTYPE attribute is used to define a record with fields corresponding to all of the columns that are fetched from a cursor or cursor variable. Each field assumes the data type of its corresponding column. The %ROWTYPE attribute is prefixed by a cursor name or a cursor variable name.

The %TYPE attribute lets use the datatype of a field, record, nested table, database column, or variable in your own declarations, rather than hardcoding the type names. You can use the %TYPE attribute as a datatype specifier when declaring constants, variables, fields, and parameters.

The %ROWTYPE attribute, used to declare PL/SQL variables of type record with fields that correspond to the columns of a table or view, is supported by the data server. Each field in a PL/SQL record assumes the data type of the corresponding column in the table.

Primary key uniquely identify a record in the table.

A table has records (rows) and fields (columns).A record: Contains specific data, like information about a particular employee or a product. A field: Contains data about one aspect of the table subject, such as first name or e-mail address. A field value: Each record has a field value.

Primary Key - a field containing a value that uniquely identifies each record in a table. The primary key is unique and prevents entering duplicate records or a null value in that field.

Search for a specific recordOpen the table or form, and then click the field that you want to search.On the Home tab, in the Find group, click Find, or press CTRL+F.In the Find What box, type the value for which you want to search.More items...