PL/SQL – Variables In this chapter, we will discuss Variables in Pl/SQL. A variable is nothing but a name given to a storage area that our programs can manipulate. Each variable in PL/SQL has a specific data type, which determines the size and the layout of the variable”s memory; the range of values that can […]
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PL/SQL – Overview The PL/SQL programming language was developed by Oracle Corporation in the late 1980s as procedural extension language for SQL and the Oracle relational database. Following are certain notable facts about PL/SQL − PL/SQL is a completely portable, high-performance transaction-processing language. PL/SQL provides a built-in, interpreted and OS independent programming environment. PL/SQL can […]
PL/SQL – Basic Syntax In this chapter, we will discuss the Basic Syntax of PL/SQL which is a block-structured language; this means that the PL/SQL programs are divided and written in logical blocks of code. Each block consists of three sub-parts − S.No Sections & Description 1 Declarations This section starts with the keyword DECLARE. […]