pl sql sql statement ignored

directory, and then in the Instantclient_11_2 directory, create a new Layer two folder \NETWORK\ADMIN, Then build a tnsnames.ora file under the Admin folder and add the following to the file:ORACLE = ( DESCRIPTION = ( ADDRESS = (PROTOCOL = TCP) (HOST = localhost) (PORT = 1521)) (Connect_data = (SERV ER = dedicated) (service_name = ORACLE) ) listener_oracle = (ADDRESS = (PROTOCOL = TCP) (HOST = localhost ) (PORT = 1521)) Oraclr_connection_data = (DESCRIPTION = ( address

Mysql master-slave backup and SQL statement backup, mysql master-slave SQL statement The master-slave configuration of the MySQL server is a very simple task. Instead of starting from scratch, it is always on the mysql server that has been installed by others. This will involve the mysql version, startup File and other

Today I wrote a small program, small and small, just to build a link between PHP and MySQL, and implement simple SQL statements. Novice preliminary interview, but also please a lot of experts to guide the road. The program source code is as follows: Copy the Code code as follows: $conn = mysql_connect ("localhost", "root", "") or Die ("wrong!");$sel =mysql_select_db ("MyDB", $conn);$sql = "INSERT into

value. If your defined variable is associated with a pointer, you can useThe % rowtype attribute declares a variable and ensures that it is of the same type as the row where the cursor is located. In the Oracle dictionary% Rowtype DeclareCursor employee_cursor isSelect emp_id, emp_name from employees;Employee_record employee_cursor % rowtype; Analysis:In the above example, a variable named employee_record is defined, and % rowtype defines this variable to make itThe variable defined by the % ro

values are: '| X );End loop;Dbms_output.put_line (the value of 'external X is '| X );End;/ 3. For LoopFor counter in [reverse] start_value... end_value Loop...End loop; Example:BeginFor I in 1 .. 5 LoopDbms_output.put_line ('body I values are: '| I );End loop;Dbms_output.put_line ('end ');End;/ For I in reverse 1 .. 5 loop indicates an ascending Use of the GOTO statementDeclareX number;BeginX: = 0;X: = x + 1;Dbms_output.put_line (X)If x Goto repeat_loop; return to tagEnd if;End;/ 5. Us

First_exception ThenWhen Second_exception ThenWhen OTHERS and END;Exception handling can be arranged in any order, but others must be placed at the end.③ pre-defined exception handlingTo deal with this anomaly, we simply refer to the exception-handling section of the PL/SQL block, directly reference the corresponding exception case name and complete the corresponding exception error handling.[pre-defined e

). Before using the pipeline function, you must write PARALLEL_ENABLE in the program header to use the Pipeline Function in the query statement.2. How to Make the PL/SQL program wait for a period of time for execution?　 The method is to use the SLEEP function of the DBMS_LOCK package for exact timing. Its syntax is:DBMS_LOCK.SLEEP (seconds in number );3. You nee

Tags: basic syntax structure PL/SQL1. Branching structureIn PL/SQL, the IF keyword is used as the starting segment of the program for the point structure.There are several branching structures in general:1) If Condition then statement end if;2) If Condition then statementElse then statementEnd If;3) If Condition then s

Pl/sql handles exceptions differently from other programming languages, the PL/SQL exception handling mechanism is similar to Ada, with a full inclusion method for handling errors. When an error occurs, the program unconditionally transfers to the exception-handling section, which requires the code to be very clean and

interface –> key configuration)New SQL window: Ctrl+shift+sNew command window: ctrl+shift+cNew Test window: ctrl+shift+tPL/SQL developer beautification: ctrl+shift+fRedo: Ctrl+shift+zUndo: Ctrl + ZClear: Ctrl+d (use caution, unrecoverable, I am disabled O (∩_∩) o~)Check all: Ctrl + AIndent: TabCancel indent: Shift+tabUppercase: Ctrl+shift+xLowercase: ctrl+shift+yNote: ctrl+hUncomment: Ctrl+mSearch: Ctrl+fS

;preferences–> user interface –> key configuration)New SQL window: Ctrl+shift+sNew command window: ctrl+shift+cNew Test window: ctrl+shift+tPL/SQL developer beautification: ctrl+shift+fRedo: Ctrl+shift+zUndo: Ctrl + ZClear: Ctrl+d (use caution, unrecoverable, I am disabled O (∩_∩) o~)Check all: Ctrl + AIndent: TabCancel indent: Shift+tabUppercase: Ctrl+shift+xLowercase: ctrl+shift+yNote: ctrl+hUncomment: Ct

\ ADMIN under the instantclient_11_2 directory, and then create a tnsnames under the ADMIN folder. add the following content to the file: www.2cto.com [plain] ORACLE = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST = localhost) (PORT = 1521 )) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = ORACLE) LISTENER_ORACLE = (ADDRESS = (PROTOCOL = TCP) (HOST = localhost) (PORT = 1521) ORACLR _ CONNECTION_DATA = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = IPC) (KEY = EXTPROC1521) (CONNEC

PL/SQL Developer usage tips, shortcut keys1, set the keyword automatic capitalization: tools->preferences->editor, will keyword case select uppercase. When you enter SQL statements in a window, the keywords are automatically capitalized, and the others are lowercase. This is easy to read code, and to maintain a good coding style, in the same way, in Tools->prefer

1. Cursor Concept A swimming cursor is a handle or pointer to a context area. When you perform a crud operation in a pl/sql block, Oracle assigns the context area to it in memory. Using the database language to describe a cursor is a position entity that maps on a row of data in the context area result set. A user can use a cursor to access any row of data in the result set, and the row data is manipulat

PL/SQL is an abbreviation for Procedure Language structured Query LanguagePL/SQL is an extension of the language stored procedureThe PL/SQL program consists of three blocks, the declaration part , the execution part , and the exception handling part .In the declaration sect

PL/SQL cursor usage, plsql cursor usageZookeeper Use of cursors ① Cursor ConceptTo process SQL statements, ORACLE must allocate a region called context area to process required information,This includes the number of rows to be processed, a pointer to the expression after the statement is analyzed, and the queried acti

A6l 06,200 4 Venkat -- thanks for the question regarding "passing an array from Java to PL/SQL", version 8.1.7 You asked Hi Tom, I need to pass String Array from Java to PL/SQL and also returnarray from PL/SQL. I refere

PL/SQL Developer is an integrated development environment that specializes in developing applications for Oracle databases. At the same time, PL/SQL is a procedural languageCalled the process SQL language (procedural language/sql)

1. Log in to PL/SQL DeveloperThis omits the installation steps for the Oracle database and PL/SQL Developer, and note that when you install the PL/SQL Developer software, do not install it under the program Files (x86) directory o

1. Log in to PL/SQL DeveloperThis omits the installation steps for the Oracle database and PL/SQL Developer, and note that when you install the PL/SQL Developer software, do not install it under the program Files (x86) directory o