What is the difference between index by table and nested tables?
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Hereof, what is the difference between nested table and Varray?
Difference b/w nested table and varray: Separate Table Space will be created for nested table which is other than the parent table's table space. If a varray size is less than 4 KB, it is stored inside the table of which it is a column otherwise, it is stored outside the table but in the same table space.
Beside above, what is index by table in PL SQL? An index-by table (also called an associative array) is a set of key-value pairs. Each key is unique and is used to locate the corresponding value. The key can be either an integer or a string.
People also ask, what is PL SQL table and nested table?
Introduction to PL/SQL nested tables Nested tables are single-dimensional, unbounded collections of homogeneous elements. First, a nested table is single-dimensional, meaning that each row has a single column of data like a one-dimension array. Second, a nested table is unbounded.
What is the difference between record type and table type in Oracle?
A record is a group of related data items stored in fields, each with its own name and datatype. You can think of a record as a variable that can hold a table row, or some columns from a table row. The fields correspond to table columns. Records are composed of a group of fields, similar to the columns in a row.