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For PL/SQL connection, 64-bit Oracle has recently changed to 64-bit Win7, and oracle has also changed to 64-bit 11g. After the change, we found that the plsql cannot load the database at all. There are also various changes to version Shenma on the Internet. I don't want to change the version, so I figured out how to ma
Oracle 11g PL/SQL function result cache, oracle11g Two experiments have been conducted to simulate the Oracle Performance Diagnosis art. The book says that if you don't need RELIES_ON, then the changes to the objects on which the function depends will not result in the invalid result cache operation (result_cache RELIE
Label:After installing Oracle (64-bit), PL/SQL developer, execute PL/SQL occurs for example the following error:On the Internet, my PL/SQL developer is incompatible with
by Binary_integer; --Defines a PL/SQL table type named mytable; the field type is pl/SQL record type; n Number:=1; tab_1 mytable; --instantiate a Tab_1 object for the mytable type; BEGIN--Assign Value forIinchc_1 Loop tab_1 (n). Empno:=I.empno; Tab_1 (n). ename:=I.ename; Tab_1 (N). Job:=I.job; Tab_
I uninstalled PL/SQL Developer and compared it with Toad for Oracle. Previously, PL/SQL Developer was used to manage Oracle, which was inconvenient to use. It is very difficult to open, and there is always an extra box in the upp
Due to the continuous updating of hardware technology, Win7 system gradually become mainstream, and computer memory gradually increased, in order to make full use of memory resources (because 32 of the system can only use up to 3G of memory), improve system performance, many people began to use the Win7 (64Bit) system. A 64-bit Oracle database is installed on a 64-bit system, but there is no corresponding 64-bit P
If an online e-commerce system, we now need to be based on the order form reflected in the consumption of the customer simply divided into three categories of large and small and inserted into three tables. Order Form orders (order_id number, cust_id number, amount number); Small Customer table Small_cust (cust_id number, tot_amt number); Customer table Med_cust (cust_id number, tot_amt number); Large Customer table Big_cust (cust_id number, tot_amt number); If the total consumption amount
First, what is Pl-sqlPl-sql is an extended language that combines the Oracle process language with the Structured Query Language (SQL). Specifically, Pl-sql is based on ordinary SQL sta
Label: The execution and exception parts of PL/SQL in Oracle I. The executive section of PL/SQL. An assignment statement. Assignment statements are divided into two types, one defining a variable and then receiving the user's IO assignment, and the other is a
PLSQL9.2 cannot connect to the Oracle database. When Oacle11g is installed on the system and Oacle10g is installed on the client, plsql is used to connect to the database. PL/SQL 9.2 cannot connect to the Oracle database. When the system is installed with Oacle 11 GB and the client is installed with Oacle 10 Gb, it wi
This article describes how to set the shortcut keys for PLSQL in Oracle databases, including setting MyObjects, remembering the password, and double-clicking the display table by default. This article describes how to set the shortcut keys for PL/SQL in Oracle databases, including setting My Objects, remembering the pa
1 PL SQL ConceptsPL/SQL is also a programming language called the procedural SQL language (procedural language/sql).PL/SQL is an extension o
segment......When conditional expression Results n ThenStatement Segment N[ELSE statement Segment]END case;Example: Show week based on input 1-7DECLAREV_week Number:= S;BEGIN CaseV_week when 1 ThenDbms_output. Put_Line ('Monday'); when 2 ThenDbms_output. Put_Line ('Tuesday'); when 3 ThenDbms_output. Put_Line ('Wednesday'); when 4 ThenDbms_output. Put_Line ('Thursday'); when 5 ThenDbms_output. Put_Line ('Friday'); when 6 ThenDbms_output. Put_Line ('Saturday'); when 7 ThenDbms_outp
Due to the continuous updating of hardware technology, Win7 system gradually become mainstream, and computer memory gradually increased, in order to make full use of memory resources (because 32 of the system can only use up to 3G of memory), improve system performance, many people began to use the Win7 (64Bit) system. A 64-bit Oracle database is installed on a 64-bit system, but there is no corresponding 64-bit P
Basic PL/SQL entry-Table Partitioning PL/SQL: a programming Language combined with a Structured Language (Structured Query Language). It is an extension of SQL and supports multiple data types, such as large objects and Collection
A trigger is a special type of subroutine that resides in a database. cannot be called directly by the user, but is initiated by the system when a particular event or action occursTune with the holder line. The trigger cannot accept the number of parameters. So executing a trigger is called triggering or ignition. An Oracle event refers to an INSERT, UPDATE,delete operation, or similar operation on a view of a database table. Triggers are a technique
Label:Due to the continuous updating of hardware technology, Win7 system gradually become mainstream, and computer memory gradually increased, in order to make full use of memory resources (because 32 of the system can only use up to 3G of memory), improve system performance, many people began to use the Win7 (64Bit) system. A 64-bit Oracle database is installed on a 64-bit system, but there is no corresponding 64-bit
Because of the reasons for the project need to use the Oracle database, due to time constraints can not learn from the foundation, and the Oracle operation of the command interface is too unfriendly, so I found Pl/sql developer this very useful software to indirectly use the database. Here's a brief description of how
Oracle instant client is installed in Linux on the PL/SQL Dev Virtual Machine and Oracle is installed. Since PL/SQL Developer is used in Windows physical machines to connect to Oracle o
to the Tnsnames.ora file. For example, my machine is: d:/instantclient_11_2/network/admin4. Set the language of Oracle, add the environment variable Nls_lang, and the value is simplified Chinese_china. Zhs16gbkAssuming that the Oracle language of the remote database is unclear, SSH or telnet to the remote machine, enter in the command interface, and connect to the database with the command line.SELECT * fr
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