oracle sql rowcount after insert

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Oracle Database SQL % found, SQL % notfound, SQL % rowcount

After a DML statement is executed, the results of the DML statement are stored in four cursor attributes, which are used to control the program flow or understand the program status. When running DML statements, PL After a DML statement is executed,

Oracle Database SQL % found, SQL % notfound, SQL % rowcount

SQL % found, SQL % notfound, SQL % rowcountWhen executing the DML (insert, update, delete) statement, you can use the following three implicit cursors (the cursor is an area in the memory that maintains the query results, which is opened when DML is

SQL % found SQL % notfound and SQL % rowcount in Oracle

After a DML statement is executed, the results of the DML statement are stored in four cursor attributes, which are used to controlProgramProcess or understand the program status. When running a DML statement, PL/SQL opens a built-in cursor and

Sql%rowcount in Oracle

Sql%rowcount is used to record the number of modified bars, as if you were prompted to delete xx rows after executing the delete from Sqlplus, this parameter must be placed between a modification statement and a commit, otherwise you will not get

A good memory is better than a rotten pen. Oracle SQL Optimization (2)

*sql optimization based on ORACLE11GR2 reading notes * Third, cursor in OracleThe cursor in Oracle is a vector of SQL parsing and execution in an Oracle database and is a data structure for C (Oracle is written in C).There are two types of cursor in

Sql%rowcount in Oracle

Sql%rowcount is used to record the number of modified bars, as if you were prompted to delete xx rows after executing the delete from Sqlplus, this parameter must be placed between a modification statement and a commit, otherwise you will not get

Sql%rowcount in Oracle

Sql%rowcount is used to record the number of modified bars, as if you were prompted to delete xx rows after executing the delete from Sqlplus, this parameter must be placed between a modification statement and a commit, otherwise you will not get

Share the SQL zone, private SQL zone, and cursor (referring to the parameter DB

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

SQL SQL Server (verbose) SQL statement optimization _mssql

MS SQL Server Query optimization methodThere are many reasons for the slow speed of queries, which are common1, no indexes, or no indexes (this is the most common problem with query slowness, is the flaw in programming)2, I/o throughput is small,

Jingjing experiment 15th sharing SQL zone, private SQL zone, and cursor

Shared SQL zone, private SQL zone, and cursor I. Share the SQL ZoneThe shared SQL zone is another way of calling the handle of the cursor object in the Library cace and the data of the Child heap.Ii. Concept of private SQL ZonePrivate SQL zone,

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