After completing this PL SQL tutorial, you will have a good understanding of the PL/SQL programming language. Let’s dive in!!! What Is PL/SQL PL/SQL is a fusion of SQL with procedural traits of programming languages. It was launched by Oracle to upgrade the features of SQL. PL SQL i...
Nested tables defined in PL/SQL have many more operations than previously. You can compare nested tables for equality, test whether an element is a member of a nested table, test whether one nested table is a subset of another, perform set operations such as union and intersection, and much...
PL/SQL Engine Database Server I am mentioning some advantages of PL SQL as follows that suffices the importance and usage of it- You get better performance, as SQL is executed in bulk rather than a single statement It gives High Productivity ...
关于PL/SQL中的Exception应用中的raise_application_error,调用ORACLE内置的exception,否则用户则需要自定义exception(paramters,dbms_output错误信息) RAISE_APPLICATION_ERROR is a special built-in procedure provided by oracle. RAISE_APPLICATION_ERROR(error_number, error_message); Or RAISE_APPLICATION_ERROR(error...
Instead, she should have declared the variables using the %TYPE attribute, as you see in this rewritten declaration section: PROCEDURE show_excuses IS CURSOR quick_cur IS SELECT title, description FROM flimsy_excuses; l_title flimsy_excuses.title%TYPE; l_desc flimsy_excuses.description%TYPE; Now...
must faster than procedure or function The reason being whenvever package is called first time it is instantiated meaning it is loaded from disk to memory & it is in the form of compiled (p-code).At this point memory will be allocated to each variables & cursor etc defined in the ...
Ananymous is also PL/SQL block, but it is not named. So that these are not stored server for further reference. We can name the anonymous, but still we can use withing the sub-program. Subprogram is a named PL/SQL block and will be stored in server. This is avaialble for reference....
Stand Alone Procedure: A procedure which is not enclosed in a package is called Stand Alone Procedure.Stored Procedure: A Procedure which is defined in Package is called Stored Procedure and if we want to call that procedure out of package is to use <PKG Name>.<Procedure Name> Was this ...
PL/SQL Answer First Prev Next Last Showing Answers 1 - 36 of 36 AnswersPAWAN AHUJA Dec 3rd, 2006 Mutating trigger is trigger that is currently being modified by DML opertion. we can resolve it by applying statement lelel trigger. Regards Pawan Ahuja Was this answer useful? Yes 1 ...