Duration: 17:29 min
Summary: A PL/SQL blocks is the basic unity for a PL/SQL programmers. This structure may contain many lines of code and it is very important to understand its rules. This video shows how to work with syntax elements of the PL/SQL language inside a block, including delimiters, compound sysmbols, identifiers, comments and nested blocks. The video also discuss invalid values for identifiers, how to name a block and the scope of variables inside a PL/SQL block when there is a block inside another block. Finally, some examples of common operators are presented and a recommendation about the use code conventions is covered.