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...
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_NAME VARCHAR2(136) NO PL/SQL 类型的名称。 PACKAGE_NAME VARCHAR2(128) YES PL/SQL 类型所...
In this chapter, we will discuss the Data Types in PL/SQL. The PL/SQL variables, constants and parameters must have a valid data type, which specifies a storage format, constraints, and a valid range of values. We will focus on the SCALAR and the LOB data types in this chapter. The ...
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 ...
A Record type is used to create records and can be defined in the declarative part of any PL/SQL block, subprogram, or package. Input - RECORD Type Create or Replace Procedure test_proc AS TYPE t_log IS RECORD ( col1 int ,col2 emp.ename % type ) ; ...
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。
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 ...
2.1.2.132 S051, Create table of type 2.1.2.133 S071, SQL paths in function and type name resolution 2.1.2.134 S081, Subtables 2.1.2.135 S091, Basic array support 2.1.2.136 S091-01, Arrays of built-in data types 2.1.2.137 S091-02, Arrays of distinct types 2.1.2.138 S091-03...
Components of an Object Type An object type encapsulates data and operations. You can declare attributes and methods in an object type spec, butnotconstants, exceptions, cursors, or types. You must declare at least one attribute (the maximum is 1000). Methods are optional. ...
conforming SQL language shall not contain a <referencing columns> in which the data type of each referencing column is not the same as the data type of the corresponding referenced column. NOTE — The Conformance Rules of Subclause 9.12, "Grouping operations", also apply. Subclause 9.12,...