oracle pl sql questions

These days, the reinstallation of the system, the so-called development tools are to be reinstalled. A little bit of distress, but also learned a lot of practical knowledge, in this readers.Because of the low-voltage version of the computer, running large software CPU and memory is more tight. I used to have oracle10g and oracle11g on my laptop, comparing cards. After this reload system, I decided not to install the local Oracle database. Remotely con

Label:installed a Oracle 12c is not able to connect to Oracle 12c after using PL/SQL developer. Look online, according to Fcflying said the operation succeeded, so make a note: 1) Install Oracle 12c 64-bit : HTTP://WWW.ORACLE.COM/TECHNETWORK/CN/DATABASE/ENTERPRISE-EDITION/DO

, "EMP"); Table nameCs.setint (2, 5); Shows the number of records per pageCs.setint (3, 1);//pagesTotal number of registered recordsCs.registeroutparameter (4, Oracle.jdbc.OracleTypes.INTEGER); Total Record CountTotal pages RegisteredCs.registeroutparameter (5, Oracle.jdbc.OracleTypes.INTEGER); Total pagesRegistering the returned result setCs.registeroutparameter (6, Oracle.jdbc.OracleTypes.CURSOR); The recordset returned4. ImplementationCs.execute ();Get the result setTotal records taken out/no

per pageCs.setint (3, 1);//pagesTotal number of registered recordsCs.registeroutparameter (4, Oracle.jdbc.OracleTypes.INTEGER); Total Record CountTotal pages RegisteredCs.registeroutparameter (5, Oracle.jdbc.OracleTypes.INTEGER); Total pagesRegistering the returned result setCs.registeroutparameter (6, Oracle.jdbc.OracleTypes.CURSOR); The recordset returned4. ImplementationCs.execute ();Get the result setTotal records taken out/note here, GetInt (4) in 4, is determined by the position of the pa

per pageCs.setint (3, 1);//pagesTotal number of registered recordsCs.registeroutparameter (4, Oracle.jdbc.OracleTypes.INTEGER); Total Record CountTotal pages RegisteredCs.registeroutparameter (5, Oracle.jdbc.OracleTypes.INTEGER); Total pagesRegistering the returned result setCs.registeroutparameter (6, Oracle.jdbc.OracleTypes.CURSOR); The recordset returned4. ImplementationCs.execute ();Get the result setTotal records taken out/note here, GetInt (4) in 4, is determined by the position of the pa

What pl/SQL must understand:1. process, function, trigger is pl/SQL programming2. process, function, and trigger are in Oracle3. pl/SQL is a very powerful database process Language4. process. functions can be called in java progra

Oracle SQL injection is an old security issue. Generally, enterprise applications only focus on Java-level writing specifications, such as preparedStatement, or directly filter out dangerous characters. In fact, when compiling PL/SQL functions or procedure, there are also injection problems. Let's discuss it briefly. F

PL/SQL subprograms include functions and procedures. The function here refers to the user-defined function, which is different from the system function. A subroutine is a PL/SQL block that completes a specific function. It is universal and can be called multiple times by different applications.

The first time to install Oracle, installed in the virtual machine, with PL/SQL dev connection to the remote database is always pop-up blank prompt box, online search for a long time, the solution is also a lot, but there is no way to solve my situation.No way, can only study, after about a day, or well done, write a summary.There are several possible solutions t

: Configure PL/SQL developer Start PL/SQL developer, In the Login window interface, click the Cancel button to make the main interface, click Tools->preferences, in the connection need to configure the following two parameters: oracle home:c:\

In a 64-bit Win8 system, the Pl/SQL connection Oracle setup tutorial, win8oracle On Windows 8 64-bit system, 64-bit Oracle is installed, but there is no 64-bit PL/SQL, And the Oracle d

When installing the Oracle database's PL/SQL tool, the computer name is the name of the user name that is automatically generated after reloading the system, as a programmer, there is a strong obsessive-compulsive disorder, you want to use their English name as the name of their computer, so the name of the computer changed; Results

)) (Connect_data = (SERVER = dedicated) (service_name = orawin) ))Of course, copy can also be obtained from the corresponding directory of the Oracle server already installed.4. After configuring these, open PL/SQL, click Cancel to not login, directly into the interface 5. Select Tools-preferences on the menu Configure the path to the

3--loop statement /* Web Oracle Database development must be pl/sql_2-4 Loop Loop Statement Prints the number 1-10 */ Set Serveroutput on DECLARE pnum number: = 1; Begin Loop Exit when pnum>10; Dbms_output.put_line (Pnum); Pnum: = Pnum +1; End Loop; End / Instance 3--for statement /* Web Oracle Database development must be p