data masking in oracle using pl sql

database. 3. Connect to the database using PL/SQL developerThe database is populated with the service_name of the remote databases ,Note: According to the actual user name, password and database:User name: Gateway Password: Gateway database: ORCL 4, after the connection in the PL/SQL developer operation of th

A stored procedure is a named PL/SQL program block that can be given parameters, stored in a database, and can be called by a user. Since the stored procedure is compiled code, it is not necessary to compile again at the time of the call, which improves the running efficiency of the program. In addition, the use of stored procedures can implement modular design of the programSyntax for stored procedures:cre

PL/SQLPL/SQL is a block-structured language that places a set of statements in a block and sends it to the server at once. It is an extended language combined with Oracle process language and Structured Query languageComposition of PL/SQL code blocksDeclare--The markup decla

Downloads. Step 2: unzip the installation package1> after downloading, decompress the compressed file to a local path, for example, C:/instantclient.2> Create the network/admin folder in this path and create tnsnames in the C:/instantclient/network/admin folder. ora file, the file content is the TNS information of the database to be connected. For example: WORCL =(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.1.4) (PORT = 1521 )))(CONNECT_DATA =(SERVICE_NAME = orcl))

variables.2. Bind the variable. Similar to the PreparedStatement in Java, data is stored in variables instead of directly concatenated in SQL and directly used by the database.3. Check the value of the variable. Obviously, the first two methods are not applicable to this procedure. We can only use the worst 3rd methods. Fortunately, for Oracle

directory, as well as the Sqlnet.ora.) Then determine whether the host configuration is correct, if host is the hostname, you need to remove the domain name after the hostname)3. Configuring the Oracle Home and OCI libaray for PL/SQL developerEnter the PL/SQL Developer in n

what is PL/SQLPL/SQL is a process-procedural language (LANGUAGE/SQL). PL/SQL is an extension of the Oracle database to the statement. In the use of ordinary SQL statements to add the ch

Oracle PL/SQL Block PL/SQL block Description: PL/SQL is the abbreviation of Procedure Language Structured Query Language. It is an extension of standard database languages by

The Oracle tutorial you are looking at is the Oracle Pl/sql introductory case practice. We have already learned the basics of pl/sql programming, and this article will combine a case to deepen understanding of these knowledge poin

PL/SQL subroutine it contains functions and procedures. This function refers to a user-defined function. And the system functions are different. subroutines usually complete a specific function PL/SQL block. , can be called multiple times by different applications . Oracle

Tags: PL/SQL developer do not install client connection to remote Oracle databasePL/SQL Developer is an integrated development environment designed specifically for the development of Oracle Database storage program units. Now that more and more business logic and applicatio

Label:To create a function: Create or Replace function My_fun (in_no in number) return VARCHAR2 isOut_name VARCHAR2 (64);BeginSelect Ename to Out_name from EMP where emp.empno=in_no;return out_name;End My_fun; Java Program Demo: Import java.sql.CallableStatement;Import java.sql.Connection;Import Java.sql.DriverManager;Import java.sql.SQLException;Import Java.sql.Types; public class Javacallmath {public static void Main (string[] args) {String driver= "Oracle.jdbc.driver.OracleDriver";String ur

Solve PL/SQL Dev connection to Oracle a blank prompt box appears, ploracle The first time Oracle was installed, it was installed in a virtual machine. When PL/SQL Dev was used to connect to a remote database, a blank prompt box po

Connecting PL/SQL to oracle database and plsqloracle DatabaseConnecting PL/SQL to oracle database 1. Introduction Use pl/SQL to connect to a

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

variable, or function2.1. Examples of scalar definitionsDefines a variable-length stringV_name VARCHAR2 (10);Defines a decimal range -9999.99~9999.99V_sal Number (6,2)Define a decimal and give the initial value 6.6 Note:: = is a variable assignment number for PL/SQLV_num Number (6.2): =6.6Define data for a date typeV_date date;Set a Boolean variable that cannot be null and the initial value is false;V_bool

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/

administrators and developers wanting to take advantage of Oracle Database's built-in support for procedural logic. database administrators can use PL/SQL to automate administrative tasks, audit access to sensitive data, and more. developers will be able to optimize processing, push business logic into the database la

execution. The ename value of the query is stored in the V_name, and Sal is placed in the V_sal and then displayed.3. Example 3 PL/SQL block with exception handlingDeclare v_name varchar2, v_sal number (7,2); Begin select Ename,sal into V_name,v_sal from EMP where empno=no; Dbms_output.put_line (' Employee Name: ' | |V_name); Dbms_output.put_line (' Salary: ' | | v_sal); Exceptionwhen No_data_found then Db

Tns_admin and the value is the path to the Tnsnames.ora file, for example: E:\oracleclient\instantclient_11_24.After installing Plsql, start, Cancel, and click Tools->preferences->connection:Oracle home=e:\oracleclient\instantclient_11_2OCI Library=e:\oracleclient\instantclient_11_2\oci.dllRestart Plsql, enter the user name, password, select the PL/SQL instance name to enter the database5.The initial login