Oracle

Stored procedure (stored procedure): can be regarded as the name of the PL/SQL program block, by name call execution; can take parameters or without parameters.Trigger (Trigger): Event-triggered execution, which can be considered a special type of

First, modify the user name 1, identify the user's ID (personal understanding is ID, not necessarily accurate)      Sql> Select user#, name from user$ where name= ' TEST '; user# name----------------------------------------TEST2, change user name

First, Dbms_jobs1, check the running job;SELECT * from User_scheduler_running_jobs2, according to Sid isolated the corresponding session;Select sid,serial# from v$session where sid= ' session_id ';3, kill the corresponding session;Alter system kill

BadImageFormatException thrown when attempting to load the Oracle client libraryEngineers diagnose computers, just as doctors diagnose patients, and many of the same symptoms may be caused by a variety of different causes.When I was recently

Reasontables that are not tables from the DBA will find that they do not occupy space, segmentcreated= ' No ' SolutionsQuery out these tables and executeAlert table XXX Move;Can DeclareTBL VARCHAR2 (100);S VARCHAR2 (1000);Cursor C isSelect

In Java, change the time of the string type to the date type and then perform the operation:Date time1 = new SimpleDateFormat ("Yyyy-mm-dd HH:mm:ss"). Parse (Intime);Time2.gettime () converts to a long type of this time, which realizes the judgment

[[Email protected]_normal2_db ~]$ dbca--oracle user to execute this command, will come out of the graphical interface650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M00/85/3D/wKiom1edzMrzHbSzAADirwpnAsY727.png-wh_500x0-wm_3 -wmp_4-s_1687704557

--1: No ORDER by ordering. (Highest efficiency)--(after testing, this method is the lowest cost, nesting only one layer, the fastest!) Even if the amount of data queried is large, and almost unaffected, the speed remains! )SELECT *

Select Upper (f.tablespace_name) tablespace name, d.tot_grootte_mb tablespace size (M), D.tot_grootte_mb-f.total_ BYTES "used Space (M)", To_char (Round (d.tot_grootte_mb-f.total_bytes)/D.TOT_GROOTTE_MB *, 2)

1.OverviewThe parttion by keyword is part of the analytic function in Oracle , which differs from the aggregation function in that it can return multiple records in a group, and the child aggregation function generally has only one result that

--Create a full-text indexGrant execute on CTX_DDL to username;--using a different account for username authorizationexec ctx_ddl.create_preference (' my_lexer ', ' chinese_lexer ');--Create Chinese_lexer lexical analyzer (Chinese lexical

1, view the user's profile is that, is generally default:Select Username, profile from dba_users;2. View the password expiration settings for the specified profile (such as default):SELECT * from dba_profiles where profile = ' DEFAULT ' and resource_

Packages are used to logically combine procedures and functions, which consist of package specifications and package bodies.1), we can use the Create Package command for creating packages such as:I, create a package sp_packageII. Declare that the

1.9i Oracle Official Document Online viewHttp://www.oracle.com/pls/db92/homepage2.10g Oracle Official Document Line viewHttp://www.oracle.com/pls/db102/homepage3.11GR1 Oracle Official Document Line viewHttp://www.oracle.com/pls/db111/homepage4.11GR2

Colleagues have raised questions when installing the Oracle database.Current operating system: Win7 64-bitOracle version: 10G2R 64-bit 10204_vista_w2k8_x64_production_database.isoClient Connection tool: Navicat Premium (although not sure why, but

ORACLE Setup Boot fromDescription: In general, the Windows platform Oracle server will start automatically, but Linux will not, including listening, database, console emctl need to be setAvailable methods:Way one: Using OS services: Oratab Mode II:

ROWID Introduction ROWID is the only sign that records the physical location of an ID, before the Oracle 8 version, the ROWID consists of file#+block#+row#, occupying 6 bytes of space, the file# of ten bits, the block# of 22bit, and the row# of

I. Using profile to manage user passwordsOverview: Profile is a collection of commands that are password-constrained and resource-constrained, and when a database is established, Oracle automatically establishes a profile called default. When the

Time limit:8000/4000 MS (java/others) Memory limit:262144/262144 K (java/others)Total submission (s): 325 Accepted Submission (s): 139Problem Descriptionthere is once a king and queen, rulers of a unnamed city, who has three daughters of conspicuous

Create TableTest (Avarchar2(Ten), bvarchar2(Ten)); INSERT intoTEST (A, B)VALUES('1','I'm'); INSERT intoTEST (A, B)VALUES('1','our'); INSERT intoTEST (A, B)VALUES('2','a'); INSERT intoTEST (A, B)VALUES('2','from'); COMMIT; SELECTA, B fromTEST A B-