How To Compile A Package In Oracle

ALTER PACKAG Purpose Use the ALTER PACKAGE statement to explicitly recompile the package specification, the body, or both. Explicit recompilation eliminates the need for implicit runtime recompilation and prevents associated runtime compile errors and performance costs. objects together. You cannot use the ALTER PROCEDURE statement or the ALTER FUNCTION statement to individually recompile a procedure or function that is part of a package. Syntaxalter_package :: = Illustration description topqa.infocompiler_parameters_clause :: = Illustrative description topqa.infoSemanticsschema Specifies the schema containing the package. If you omit the schema, then Oracle Database assumes the package is in your own schema.package Read more: how to fix screenprint Specify the package name to recompile .COMPILE You must specify COMPILE to recompile the content or package specification. The COMPILE keyword is required. During recompilation, Oracle Database removes all persistent compiler switch settings, retrieves them from the session, and stores them at the end of compilation. To avoid this process, specify the REUSE SETTINGS clause. You can see compiler error messages associated with the SQL * Plus SHOW ERRORS.SPECIFICATIONS command that specifies SPECIFICATION to only recompile the package specification, regardless of whether it is invalid or not. You may want to recompile a package specification to check for compilation errors after modifying the specification. When you recompile a package specification, Oracle Database invalidates any local objects that depend on the specification, such as procedures that call procedures or functions in the package. The contents of a package also depend on its specification. If you then refer to one of these dependencies without explicitly recompiling it first, Oracle Database will completely recompile it at run time. You may want to recompile part of the package body after modifying it. Recompiling the package body does not invalidate the objects that depend on the package specification. When you recompile the package body, Oracle Database will first recompile the objects on which the body depends, if any of them are invalid. If Oracle Database recompiles the body successfully, the body will become valid. This is the default. Recompiling the package and body specification results in invalidation and recompilation of dependent objects as described for SPECIFICATION and BODY.Read more: How to Get Ember Tutorials | Top Q&A Specify Debug to instruct the PL/SQL compiler to generate and store code for use by the PL/SQL debugger. Specifying this clause has the same effect as specifying PLSQL_DEBUG = TRUE in compiler_parameters_clause.compiler_parameters_clause This clause has the same behavior for a package as it is for a function. Please refer to ALTER FUNCTION compiler_parameters_clause.REUSE SETTING This clause has the same behavior for a package as it is for a function. Please refer to the ALTER FUNCTION REUSE SETTINGS clause. The database does not encounter a compile error during recompilation of the emp_mgmt specification and content, then emp_mgmt becomes valid. User hr can then call or reference all package objects declared in emp_mgmt’s specification without runtime recompilation. If recompiling emp_mgmt results in a compile error, the Oracle Database returns an error and the Oracle Database remains invalid. Database Magic also disables all objects that depend on emp_mgmt. If you then refer to one of these objects without explicitly recompiling it first, Oracle Database will completely recompile it at run time. If Oracle Database does not get a compile error while recompiling the package body, the body will be valid. User hr can then call or reference all package objects declared in emp_mgmt’s specification without runtime recompilation. If recompiling the body results in a compile error, then Oracle Database returns an error message and the body remains invalid. tennis ace

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