There are four kinds of exceptions in PL/SQL: Named system exceptions. Exceptions that have been given names by PL/SQL and raised as a result of an error in PL/SQL or RDBMS processing. Named programmer-defined exceptions. Exceptions that are raised as a result of errors in your applicat...
Explicit Cursors are those cursors that are defined by programmers to have more control over the Context Area (where the results of SQL queries are stored). These cursors need to be first defined in the declaration block of the PL/SQL program. It is created for the SQL statements that ...
USER_PLSQL_TYPES视图用于展示当前用户下 package type 总体信息。 功能适用性 该视图仅适用于 OceanBase 数据库 Oracle 模式。 相关视图 ALL_PLSQL_TYPES DBA_PLSQL_TYPES 字段说明 字段名称类型是否可以为 NULL描述 TYPE_NAMEVARCHAR2(136)NOPL/SQL 类型的名称。
This section describes the migration syntax of Oracle PL/SQL Collections. The migration syntax decides how the keywords/features are migrated.A user-defined type (UDT) is
andBINARY_DOUBLEcomputations do not raise exceptions, so you must check the values that they produce for conditions such as overflow and underflow by comparing them to predefined constants (for examples, seeOracle Database SQL Language Reference). PL/SQL has more of these constants than SQL does...
Types of Strings in PL/SQL There are three types of strings on PL/SQL: Fixed length string Variable length string Character large objects (CLOBs) 1) Fixed length strings In these types of strings, we the coders specify the length of Strings. If the length of string entered by user is ...
Hello Reader Welcome to the World of PL/SQL PL/SQL procedure successfully completed. NULLs in PL/SQL PL/SQL NULL values representmissingorunknown dataand they are not an integer, a character, or any other specific data type. Note thatNULLis not the same as an empty data string or the nu...
PL/SQL Variable Types - Explore the different variable types in PL/SQL, including scalar, composite, reference, and more. Learn how to effectively use variables in your PL/SQL programming.
ALL_PLSQL_COLL_TYPESは、ユーザーがアクセスできる名前付きPL/SQLコレクション型を示します。 関連ビュー DBA_PLSQL_COLL_TYPESは、データベース内のすべての名前付きPL/SQLコレクション型を示します。このビューは、CHAR_USED列を表示しません。
在开始介绍之前,先给出文章里用到的所有PL/SQL代码: (类型定义) CREATEORREPLACETYPE T_Nested_Tab_StrISTABLEOFVARCHAR2(25); -- CREATEORREPLACETYPE T_ObjectISOBJECT ( employee_idnumber(6), last_namevarchar2(25) ); -- CREATEORREPLACETYPE T_VARRAY_STRISVARRAY(10)OFVARCHAR2(25); ...