PL/SQL – Procedures In this chapter, we will discuss Procedures in PL/SQL. A subprogram is a program unit/module that performs a particular task. These subprograms are combined to form larger programs. This is basically called the ”Modular design”. A subprogram can be invoked by another subprogram or program which is called the calling program. A […]
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PL/SQL – Strings The string in PL/SQL is actually a sequence of characters with an optional size specification. The characters could be numeric, letters, blank, special characters or a combination of all. PL/SQL offers three kinds of strings − Fixed-length strings − In such strings, programmers specify the length while declaring the string. The string […]
PL/SQL – Operators In this chapter, we will discuss operators in PL/SQL. An operator is a symbol that tells the compiler to perform specific mathematical or logical manipulation. PL/SQL language is rich in built-in operators and provides the following types of operators − Arithmetic operators Relational operators Comparison operators Logical operators String operators Here, we […]