Oracle

One seq size and Column Length mismatch Problem description one afternoon of the weekend, received a call error, the business has been unable to handle the phone contact business staff, it is known that the system error: ora-01438 sieble.

Formatting the current time in Oracle and Mysql: public String queryOracleTime () {SQLQuery query = null; String resultSql = "select to_char (sysdate, 'yyyymmddhh24miss ') from dual "; query = (SQLQuery) getSession (). createSQLQuery (resultSql);

How to view the IP address of the database server in oracle 1. view the tns configuration under the local oracle installation directory. $ HOME/network/admin/tnsnames. ora. Find the database you want to access, such as PRIMARY = (DESCRIPTION =

The Oracle Multi_like function is in VFP, and a disgusting function is called inlist (). It can be used as the Vfp code inlist ('% A %', '% B %', '% C %') to like several times at A time, or like an array. Well, because of business needs, our SQL

Common ORACLE Objects correspond to system tables to obtain the primary key of the data table select d. COLUMN_NAME FROMUSER_CONS_COLUMNS D, USER_CONSTRAINTS mwhere m. CONSTRAINT_NAME = D. CONSTRAINT_NAMEAND M. CONSTRAINT_TYPE = 'p' and m.

Navicat for Oracle features an intuitive GUI and provides powerful visualization tools, such as the SQL console, text, hexadecimal and BLOB view/Editor, SSH tunnel and more to improve work efficiency. Installation: 1. Download Navicat for Oracle2.

Solve the problem that sqlplus disappears after login in win7 many win7 users will have this experience when using sqlplus, including some other such as toad and PL/SQL. The graphic interface disappears when you click log on. This problem occurs

Oracle 10 Gb uses a cursor to update or delete data. In definition, it also indicates that the for update clause must be included. This clause is used to add a row share lock to the cursor result set data to prevent other users fromExecute the dml

The percent_rank, percentile_cont, and percentile_disc percent_rank functions of the oracle analysis function return the ranking of a value in the Data Partition in the form of a score between 0 and 1. Table creation: SQL code create table

Oracle delete operations truncate differs from delete operations. truncate can delete all records in a table, release the tablespace, and only retain the table structure. Syntax: truncate table tableName; delete. If there is no where condition, it

Resolving ORA-14450: attempting to access a temporary table of transaction processing that is already in use -- 1. Finding sessionIDselect SID, SERIAL # from V $ session where SID in (select sid from v $ enqueue_lock t where t. type = 'to') sid

To analyze whether ROLLBACK generates log information, first introduce the log analysis method. The LOGMNR process is as follows: www.2cto.com [SQL] SQL> @ F: \ app \ Administrator \ product \ 11.2.0 \ dbhome_1 \ RDBMS \ ADMIN \ dbmslm. the SQL

Oracle execute immediate summary execute immediate replaces the DBMS_ SQL package in Oracle8i. it parses and immediately executes dynamic SQL statements or PL/SQL blocks created when they are not running. the performance of dynamic creation and

Oracle and SQL two-Table Association update SQL code www.2cto.com update T_DestoryBillsDetail set T_DestoryBillsDetail.wg02 = B. wg02, T_DestoryBillsDetail.oldwg10 = B. wg10 from T_DestoryBillsDetail a inner join gdgl B on (. wg00 = B. wg00 and.

Oracle defines the Union array -- Created on 2010/04/15 by NAN declare www.2cto.com -- Local variables here I integer; v_kbis kbis % ROWTYPE; TYPE t_table IS TABLE OF kbis % ROWTYPE INDEX BY BINARY_INTEGER; -- Define the Union array (Initialization

EXP-00008: encountered ORACLE error 904 case scenario -- at an Oracle Database Export: www.2cto.com C: \ Documents and Settings \ Administrator> exp lsxy/lsxy @ lsxy_db file = E: \ lsxy. dmp owner = lsxyExport: Release 11.2.0.1.0-Production on

Oracle shutdown does not respond to a problem: shutdown is normal by default and cannot accept new connections. However, it will be closed only after the previous active connection is completed and exited. Www.2cto.com generally uses this command to

Oracle fine-grained audit (FGA) DBMS_FGA package experiment case 1 starts from Oracle9i, DBMS_FGA can be used to audit select statements of a specified table, but can only audit select statements in 9i, DBMS_FGA can be used to demonstrate the audit

Oracle Performance Optimization-sort area adjustment: select name, value from v $ sysstat where name like '% sort %'; sorts (memory) indicates the memory sort volume, sorts (disk) indicates the disk order. Www.2cto.com Failure Rate = sort

The Oracle 11g AuditOracle Audit (Audit) function is used to monitor database operations performed by users, audit records can exist in data dictionary tables (called audit records: SYS. in the AUD $ table, you can view it through dba_audit_trail)