pl sql cursor count

1. Cursor conceptLiterally, it refers to a swimming cursor, which is a handle or pointer pointing to the context area.When performing the CRUD operation in the PL/SQL block, ORACLE allocates a context zone for it in the memory. The database language

http://uule.iteye.com/blog/2061773 (source)Bulk Import Script :Open a Command Window > enter @ > It will let you select the file you want to import (you need to know the order of the imported files, Plsql will not automatically recognize this or

\ t 1th Introduction to PL/SQL development1th Oracle 11g Database System1.1 Introduction of relational database system1.1.1 What is a relational data model1.1.2 Database System Paradigm1.1.3-relational database management system1.1.4 using SQL

Here we mainly compare the following three formats of cursor loops: 1. Single processing of open cursors; LOOPFETCH cursinto variables; EXITWHEN conditions; ENDLOOP; CLOSE game Here we mainly compare the following three formats of cursor loops: 1.

Abstract: In the PLSQL development process, the use of SQL and PLSQL can meet most of the requirements, but in some special circumstances, using standard SQL statements or DML statements in PLSQL cannot meet your needs. for example, dynamic table

Database review 10--PL/SQL, database review plsqlDatabase review CH10 PL/SQL10.1 PL/SQL Introduction PL/SQLIt is an Oracle procedural extension of SQL. PL/SQL can implement SQL-related procedural programs andStored ProcedureAndFunctionAllows SQL

Comparison of the Efficiency of three types of cursor loops in pl/SQL mainly compares the following three formats: 1. one open cursor is processed; loop fetch cursor INTO variable; exit when condition; end loop; CLOSE cursor; 2. batch Processing of

When Oracle Database executes a SQL statement, it stores the result set and processing information in an unnamedprivate SQ L area. A pointer to the unnamed area, called acursor, lets youretrieve the rows of the result set one at a time.Cursor

Sharing the SQL area, private SQL area, and game Benchmark 1. Sharing the SQL area is another way to name the handle of the cursor object in Librarycace and the data of the Child heap. Ii. Concept of private SQL zone is stored in PGA in dedicated

Dynamic Content Summary: In the Pl/sql development process, the use of sql,pl/sql can achieve most of the requirements, but in some special cases, the use of standard SQL statements or DML statements in Pl/sql can not achieve their own needs, For