Oracle

Cause: The SQL statement is as follows: Select count (*) from test; Result 1390. Select count (*) from test where BB not like '% disable %' Result 393. In the actual browsing process, it is found that the result set is not disabled and there

I have been dealing with Oracle clusters recently, and I have also referred to the online materials, mainly focusing on using the thin method and OCI method. Today (it has passed 12 points and should be said that it was only yesterday, haha) I

Create or replace procedure pro_drop_comment is Cursor c_table_column is Select * From user_tab_columns; Cursor c_table is Select * From user_tables; Cursor c_view is Select * From user_views; SQL _drop_comment string (100 ); Begin

How to make Oracle stored procedures return result sets How does one allow Oracle stored procedures to return result sets?Oracle stored procedure: Java call code: Try { drivermanager. registerdriver (New Oracle. JDBC. oracledriver ();

To_char converts a date or number to a string to_date. in the database, the date type conversion function to_number converts the character to a number to_char. The to_char function is used to process the number to_char (number, 'format') to_char

Operating system authentication: by default, you can log on to the operating system to log on to the database as an administrator. Specific operations: C: \ Documents ents and Settings \ Administrator> sqlplus/nologsql * Plus: Release 10.2.0.1.0-

Variable binding has many advantages, but cannot be used in some cases,   For example, for the value of the bound field, Oracle should use different query plans for different values. In this case, variable binding should not be used.     The

Analysis of Oracle-vpdOracle permission control uses the dbms_rls package of Oracle to implement data access control in most systems. Permission control is mainly defined as the module access permission Control and Data column access permission

Source: http://www.cnblogs.com/shengel/archive/2007/06/06/773559.html Reason for posting: It is quite interesting, and there are many differences with SQL, so there is no specific test.   Use the DML insert statement in Oracle to insert data into

Source: http://www.cnblogs.com/shengel/archive/2008/10/20/1315424.html Reason for posting: in practice, the method of assigning values to output parameters in stored procedures is displayed. It is different from the SQL stored procedure assignment

Common addition, deletion, and modification operations for creating data tables and data tables 1. Click "Start/Program/Oracle-orahome92/Application Development/SQL plus "; 2. In "user name [u]:" and "password [p]:" Enter the user name and password

Ora-01033: Oracle initialization or shutdown in progress solution today using Oracle encountered this problem ora-01033: Oracle initialization or shutdown in progress, after analysis and research finally solved, remember. First, the cause of the

A Test Table V is created, which contains two columns: test1 and Test2. It is required that the two columns of data be interchangeable rows. SQL> select * from V; Test1 Test2--------------------20 2010 2020 1030 5050 3060 7070 80 20 20   SQL> select

What is the difference between number and binary_double in Oracle? The main advantage is: it is more efficient than number, faster, and takes less space, but the version compatibility is poor. Numeric numeric type Number: this is a real decimal

There will inevitably be situations where random needs are needed at work. There are two main implementation methods: Implemented by hard Coding Implemented through the random functions provided by the database This article mainly explains

1. Start the database and report an error. SQL> startupOracle instance started. Total system global area 1076851960 bytesFixed size 738552 bytesVariable Size 285212672 bytesDatabase buffers 788529152 bytesRedo buffers 2371584 bytesDatabase

Install Oracle 10g (10.2.0.1.0) on Red Hat enterprice linux4) Step 1 Preparation ? Check memorySz_tomcat:/home/xjy/soft> grep swaptotal/proc/meminfoSwaptotal: 2031608 KB ? Check the kernelLinux reaky.com 2.6.9-5. elsmp #1 SMP wed Jan 5 19:30:39 est 2

Technorati labels:. net, ADO. net, Oracle, dbhelperora We know. net in the Process of calling oracle is not so convenient to call the stored procedures in the MS-SQLSERVER, especially when the parameter output is used, but the powerful Oracle

Checking operating system requirements...Expected result: One of redhat-3, redhat-4, SuSE-9, asianux-1, asianux-2Actual result: redhat-4Check complete. The overall result of this check is: passed=======================================================

The temp table has 94 data records in the above structure. Pagedemo. Java: Public class pagedemo {public static void main (string [] ARGs) {consumer SC = new consumer (system. in); While (true) {int page = SC. nextint (); getresult (PAGE) ;}}