PL/SQL – Records In this chapter, we will discuss Records in PL/SQL. A record is a data structure that can hold data items of different kinds. Records consist of different fields, similar to a row of a database table. For example, you want to keep track of your books in a library. You might want […]
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PL/SQL – Packages In this chapter, we will discuss the Packages in PL/SQL. Packages are schema objects that groups logically related PL/SQL types, variables, and subprograms. A package will have two mandatory parts − Package specification Package body or definition Package Specification The specification is the interface to the package. It just DECLARES the types, […]
PL/SQL – Collections In this chapter, we will discuss the Collections in PL/SQL. A collection is an ordered group of elements having the same data type. Each element is identified by a unique subscript that represents its position in the collection. PL/SQL provides three collection types − Index-by tables or Associative array Nested table Variable-size […]