Oracle

Ubuntu12.04 install sqldeveloper and various problems Summary 1 download sqldeveloper-3.1.07.42-1.noarch.rpm2 install jdk1.6.35 oracle requires version 1.6.04 or above, 1.7.0 or below 3 conversion format l SQL Develoepr settings by default is an rpm

Description of Oracle session date format change: the conversion time in the stored procedure should be output in 'yyyy-mm-dd' format, but the output result is not in this format, for example, after '2017-12-31 ', the output is '31-March 12-12'.

If an Oracle database creation error occurs, you cannot allocate a port to the following processes within the specified range. Configure the Linux environment, install rpm, install the 10.2.0.1 installation package, install the 10.2.0.4 patch, and

DBWn, LGWR, and SMON DBWn of the oracle 10g process: Database writer Databasewriter in order to ensure that the buffer zone has free buffer for users. DBWn applies the content of the buffer zone to the data file and writes the DOS command for data

Detailed steps for Oracle automatic backup: the Oracle database server automatically backs up the database ylios once a day. Solution: The Oracle backup file is automatically generated by date using the task plan, batch file, and Oracle exp export

Configure ORACLE Data sourcesControl Panel-> Administrative Tools-> data source open panel, select system DSNSelect AddAfter the oracle program is installed, the installed driver is displayed on the pop-up panel. Here, select Oracle in OraDb10g_home1

When executing SQL statements at the RMAN prompt to manually restore the database, sometimes the SQL * Plus prompt and the operating system prompt are required. It is cumbersome to switch back at the RMAN prompt. In fact, RMAN provides us with some

Oracle trigger Summary 1. Trigger definition: A trigger is a special Stored Procedure triggered by a specific time in the database. It is not started by program bars or manually. The execution of triggers can be triggered by insert, delete, update,

Oracle single quotes dual role-string reference and escape in ORACLE, single quotes have two roles, one is the string is referenced by single quotes, the other is escape, when learning to dynamically constitute the SQL is often puzzled. The use of

[Oracle]-[index] [HINT] [execution plan]-Example of an index execution plan with HINT: create table t (id int); create index t_idx on t (id ); SQL> select/* + index (t t_idx) */count (*) from t; Execution Plan ----------------------------------------

Oracle reinstallation reports that SID already exists. 1. Choose "start"> "Settings"> "Control Panel"> "Administrative Tools"> "services" to stop all Oracle services. 2. Start-> Program-> Oracle-OraHome81-> Oracle Installation Products-> Universal

OMF file structure SQL> show parameter db_create_file_destNAME TYPE VALUE =--------------------------- mongodb_create_file_dest string D: \ oradataSQL> CREATE TABLESPACE tbs_2; The TABLESPACE has been created. Theoretically, the data file of tbs_2

About ORALCE 11G statistics collection about ORALCE 11G statistics collection 1. Do not use the compute and estimate options for ANALYZE, they have been discarded. In addition, the statistical information collected by analyze cannot be used by the

It is a good atmosphere to share the technology of modifying IP addresses (public ip, private ip, and virtual ip) under oracle RAC. oracle Group colleagues share the idea of modifying IP addresses under oracle rac, oracle started in 10 years (also

Oracle Advanced Replication Best Practice 1. test environment: vmoel5u4: IP: 192.168.92.100 OS: Linux version 2.6.18-164. el5 DB: Oracle 10g Enterprise Edition Release 10.2.0.1.0; even: IP: 192.168.92.200 OS: Linux version 2.6.18-164. el5 DB: Oracle

Create sequence JCDA_GFYYXX_IDminvalue 1 maxvalue 99999999 start with 21 increment by 1 cache 20; create or replace trigger into before insert on JCDA_GFYYXX_TB -- JCDA_GFYYXX_TB is the table name for each rowdeclare -- local variables here nextid

Oracle time operations (date truncation and rounding) are similar to rounding numbers and bitwise truncation. Oracle also provides these two functions for time and date. But it is more complicated than rounding and intercepting numbers: this is

The GLOBAL_NAMES parameter research recently found that the GLOBAL_NAMES parameter must be set to TRUE When configuring Stream. The specific reason is unknown. However, it is found that after this parameter is set, there is a problem in refreshing

Query the SQL statements being executed and executed by Oracle (1) v $ session table permissions when a trigger is created under a non-system user and the v $ session record type is referenced. An error occurs: "tables and views do not exist", but

When using sqlplusw or sqlplus, the actual number of words without modification sqlplusw is usually a specified number of words in a row by default, resulting in a line of query results, which is inconvenient for us to read data. Two commands: 1.