PeopleCode LPAD

oracle lpad function

1 oracle's database has a function LPAD (String a, int length, String addString). Two roles: the addString to a left, length is the length of the return value. 3 Examples A: SQL> select lpad ('test', 8,0) from dual; LPAD ('TEST' ...

Oracal's Lpad function

In Oracle / PLSQL in, lpad function string left filled with specific character, its syntax is as follows: lpad (string1, padded_length, [pad_string]) Where string1 is the need to paste the string of characters padded_length is the number of the retur

oracle function to_number-NVL-LPAD

and to_char to_number a similar nature; nvl function: From the two expressions return a non-null value. Grammar NVL (eExpression1, eExpression2) Parameter eExpression1, eExpression2 If the calculation results eExpression1 null value, NVL () returns e

Oracle's lpad use with rpad function

Grammar syntax is as follows: lpad (string, padded_length, [pad_string]) string Ready to be filled with the string; padded_length After filling the length of the string (either intercept or supplement the function return the character length = padded

[Transfer] sqlserver in Lpad and Rpad

From: http://www.developerdotstar.com/community/node/319 Code: /**************** LPad ***********************/ IF EXISTS ( SELECT * FROM dbo.sysobjects WHERE id = object_id (N '[dbo]. [LPad]') AND xtype IN (N'FN ', N'IF', N

DECODE SQL statement and NVL () function. Lpad function

DECODE SQL statement and NVL () function, lpad function 2008-08-04 15:16 SELECT DECODE (WP01.ONDO_KBN, 0, ' 対 as foreign '1' room temperature ', 2,' cold ') AS ONDO_KBN FROM WP01_S_HAITOTAL WP01 / / Analysis: When WP01.

Oracle, the sequence to create, delete, substr, lpad, translate

Sequence 1 First create a sequence, Oracle sequence syntax is: CREATE SEQUENCE sequence name [INCREMENT BY n] [START WITH n] [{MAXVALUE / MINVALUE n | NOMAXVALUE}] [{CYCLE | NOCYCLE}] [{CACHE n | NOCACHE}]; 1) INCREMENT BY defines the sequence of ste

Oracle Performance Parameter View

0, the database parameter properties col PROPERTY_NAME format a25 col PROPERTY_VALUE format a30 col DESCRIPTION format a100 select * from database_properties; select * from v $ version; 1, find the current session of the SID, SERIAL # SELECT Sid, Serial #

javascript date formatting

Data format of dates, we often encounter a problem, but javascript did not provide a date formatting function, so there have been many on-line version of the formatting functions, written in exactly the same, but the basic can achieve the required goals.

[Change] sql: recursive query Xiangjie

This paper introduces Oracle's recursive query syntax, use this syntax, you can easily achieve the two-way recursive query: - Tirle: Recursion query for TREE with "connect by / start with" - Author: - Create Date: - Version: - Last Modify: D

oralce combination displayed

1. I am now two time fields: AB, I want it displayed in the form of a A ~ B, the connection to use the oracle function 2. Left Completion I was using java.txt package under the DecimalFormat class In the oracle contains this function: select lpad (&# ...

oracle string functions

1.LOWER Return a string lowercase; select lower ('ABCDEFG') from dual; 2.UPPER Return a string uppercase; select upper ('abcdefg') from dual; 3.LENGTH Return the string length; select length ('abcdefg') from dual; 4.INSTR (S1, ...

ORACLE function Daquan

SQL in single-record function 1.ASCII Returns the character corresponding to the specified decimal number; SQL> select ascii ('A') A, ascii ('a') a, ascii ('0 ') zero, ascii (' ') space from dual; AA ZERO SPACE ---- ...

[Reprinted] Oracle built-in SQL functions - sorting Daquan

Oracle built-in SQL functions - sorting Daquan F.1 Character Functions - return character value These functions are all family received a character type parameter (CHR excluded) and the return character value. In addition to the special note, the majority

[Memo] Oracle function Daquan

SQL in single-record function 1.ASCII Returns the character corresponding to the specified decimal number; SQL> select ascii ('A') A, ascii ('a') a, ascii ('0 ') zero, ascii (' ') space from dual; AA ZERO SPACE ---- ...

ORACLE and SQL syntax differences summarized

Comparison of data types Type name Oracle SQLServer Compare Character data types CHAR CHAR are fixed-length character data, but the maximum degree of oracle which 2kb, SQLServer which the maximum length of 8kb Variable-length character data type VARCHAR2

oracle note 1 (common types of functions)

Use Sqlplus of three ways: Sqlplus: 1. Enter the cmd command line window 2. Sqlplus scott / wj Sqlplusw: Start -> programs -> Oracle-> Application Development -> sqlplus Isqlplus: (browser) http://localhost:5560/isqlplus One-way function ...

ORACLE Function Summary

SQL in single-record function 1.ASCII Returns the character corresponding to the specified decimal number; SQL> select ascii ('A') A, ascii ('a') a, ascii ('0 ') zero, ascii (' ') space from dual; AA ZERO SPACE ---- ...

Oracle SQL built-in function Encyclopaedia (1)

SQL in single-record function 1.ASCII return to the specified number of characters corresponding to decimal; SQL> select ascii ('A') A, ascii ('a') a, ascii ('0 ') zero, ascii (' ') space from dual; AA ZERO SPACE -------

sql basic function (oracle)

sql basic function (oracle) A numeric function abs: absolute value function, such as: abs (? 5) 5 sqrt: square root function of demand, such as: sqrt (2) 1.41421356 power: seek power function, such as: power (2,3) 8 cos: cosine trigonometric demand, ...

oracle performance test tools

/********** Functions: to do the same thing on two different methods were compared, the results obtained is superior **********/ - View object properties create or replace view stats as select 'STAT ...' | | a.name name, b.value from v $ stat ...

oracle of a PL / SQL function Daquan

oracle of a PL / SQL function Daquan 1. Character Functions chr (int) returns ASCII code count (string, string) to connect the two string initcap (string) Change the first letter capitalized lower (string) converted to lower case upper (string) converted

Statement (transfer)

/*============================================================================ *Author: MartriWang@gmail.com *Date: 09/05/2007 *Description:ORACLE Summary *==========================================================================*/ Summary : set autotrac

Details ORACLE sqlplus command

jxdco 1, Oracle startup and shutdown 1, the stand-alone environment To enable or disable the ORACLE system must first switch to the ORACLE user, as su - oracle a, start the ORACLE system oracle> svrmgrl SVRMGR> connect internal SVRMGR> startup SV

Oracle table lock lift

--================ First look for a blocked user ==================== SELECT /*+ rule */ s.username, decode(l.type,'TM','TABLE LOCK', 'TX','ROW LOCK', NULL) LOCK_LEVEL, o.owner,o.object_name,o.object_type, s.sid,s.serial#,s.terminal,s.machine,s.program,s.

Oracle performance parameters View

0, the database parameter properties col PROPERTY_NAME format a25 col PROPERTY_VALUE format a30 col DESCRIPTION format a100 select * from database_properties; select * from v $ version; 1, find the current session of the SID, SERIAL # SELECT Sid, Ser ...

commonly used query oracle

SPOOL the output of all the screen output to the specified file - Spool file path name; spool g: \ mysql.sql; - Operational - End Output spool off; Execute a SQL script file that we can save multiple sql statements in a text file, so that when the impleme

mysql 5.0 stored procedure summary

mysql 5.0 stored procedure learning summary 1. Create a stored procedure 1. Basic syntax: create procedure sp_name () begin ... ... ... end 2. Parameter 2. Call a stored procedure 1. Basic syntax: call sp_name () Note: The stored procedure name must be fo

oracle I used the information (some of the basic stored procedure)

1. Suppose there are two tables, the staff table emp (job number eno, name ename, salary esal) and allowances for comm (job number eno, allowances ecomm) Required to complete the operation with the cursor: Remove the staff of the table, pay more than ...

Oracle frequently used characters and string handling class functions

##################################### # Commonly used class of character and string handling functions ##################################### # LOWER function function: to convert a string into lowercase letters example: select firstname, lastname fro ...

Oracle common type of characters and string handling functions

##################################### # Commonly used class of character and string handling functions ##################################### # LOWER function function: to convert a string into lowercase letters example: select firstname, lastname fro ...

oracle Study Notes 2

abs (n) declare v_abs number (6,2); begin v_abs: = abs (& no); dbms_output.put_line ('absolute value:' | | v_abs); end; / acos (n) for n Returns the value of the anti-Hyun Yu select acos (.3), acos (-. 3) from dual; acos (.3) acos (-. 3) ...

ORACLE date and time functions Encyclopaedia (2)

3. Character function (can be used for literal characters or database columns) 1, the string interception select substr ('abcdef', 1,3) from dual 2, find the position of substring select instr ('abcfdgfdhd', 'fd') from dual 3, ...

Oracle Learning (3) - Introduction to Oracle for 15 days

Oracle Getting Started (3) These common functions you do not know how many? Although I do not advocate the business logic in sql in treatment, but some simple business I Renshi or dealt with in the sql it makes me a lot of effort and Efficiency Jiesh ...

Beginners oracle code

- Table has been created create table vendor_master ( vencode varchar2 (5), venname varchar2 (20), venadd1 varchar2 (20), venadd2 varchar2 (20), venadd3 varchar2 (20) ); - Table changes alter table vendor_master modify vencode varchar2 (10); - Table ...

Oracle plsql function Daquan

Oracle plsql function Daquan SQL in single-record function 1.ASCII Returns the character corresponding to the specified decimal number; SQL> select ascii ('A') A, ascii ('a') a, ascii ('0 ') zero, ascii (' ') space ...

mysql 5.0 stored procedure study summary (change)

1. Create a stored procedure 1. Basic syntax: create procedure sp_name () begin ... ... ... end 2. Parameter 2. Call a stored procedure 1. Basic syntax: call sp_name () Note: The stored procedure name must be followed by brackets, even if the stored ...

mysql 5.0 stored procedure learning summary

1. Create a stored procedure 1. Basic syntax: create procedure sp_name () begin ... ... ... end 2. Parameter 2. Call a stored procedure 1. Basic syntax: call sp_name () Note: The stored procedure name must be followed by brackets, even if the stored ...

Orcal query to display the tree structure [including the parent and the parent child check check son]

Actual development may be used in the tree query results, the statement is as follows: select ID, LPAD (DEPT_NAME, LENGTH (DEPT_NAME) + (LEVEL * 2), '') dept_name from DEPT_INFO where IS_DEL = 0 start with ID = 1 connect by prior ID = PAR_ID ...

oracle common function (transfer)

Numeric function abs: absolute value function, such as: abs (-5) 5 sqrt: square root function of demand, such as: sqrt (2) 1.41421356 power: seek power function, such as: power (2,3) 8 cos: cosine trigonometric demand, such as: cos (3.14159) -1 mod: ...

oracle common way ... To be continued

The older, poor memory, and usually used in the work or down for it ~ welcome to share a better way to achieve Feature List: 1. Checking whether the officer had retired (f_isRetired) 2. The amount of change to uppercase amount (f_numbig) 3. To string ...

Database administrator sql essential daily work list

- The use of monitoring index alter index & index_name monitoring usage; alter index & index_name nomonitoring usage; select * from v $ object_usage where index_name = & index_name; - To find the data file I / O distribution select df.name, ph

oracle select statement

1> character processing upper (str) --- str string to all uppercase lower (str) --- convert a string to all lowercase str initcap (str) --- the string in the first letter of each word capitalized concat (str1, str2) --- will connect string str1 an ...

Oracle database commonly used functions

In SQLPLUS, the implementation - English character set conversion alter session set nls_language = 'AMERICAN'; alter session set nls_language = 'SIMPLIFIED CHINESE'; Key knowledge points: First, the operation of the table 1) building ...

Common functions transferred oracle

In SQLPLUS, the implementation - English character set conversion alter session set nls_language = 'AMERICAN'; alter session set nls_language = 'SIMPLIFIED CHINESE'; Key knowledge points: First, the operation of the table 1) building ...

Oracle of the function

Character function <br /> Name Description CONCAT (string 1, string 2) string 1 and string 2 is connected into a new string; example: select CONCAT (job, ename) from emp LPAD (field, the total size of the fill character) that is filled from lef ...

Find the SQL bind variables not used

The benefits of the use of bind variables, without any explanation here. As a DBA, how to monitor and identify system does not exist in a lot of it to use SQL bind variables? TOM master using a script written, we can come to this. 1. Test environment ...

oracle newline in the text removed. carriage return. Summary tab

oracle text removed newline, carriage returns, tabs, a summary, the definition of special symbols ascii tab character chr (9) Line feed chr (10) Carriage return chr (13) Second, nest repalce, note you can only submit a sign, such as the first carriage ret

SQLServer and Oracle Comparison of commonly used functions *

1. The absolute value of S: select abs (-1) value O: select abs (-1) value from dual 2. Take the whole (large) S: select ceiling (-1.001) value O: select ceil (-1.001) value from dual 3. Take the whole (small) S: select floor (-1.001) value O: select floo

Mysql list of commonly used functions

String class CHARSET (str) / / returns the string character set CONCAT (string2 [,...]) / / connection string INSTR (string, substring) / / returns substring in the string appears in the first place, there is no return to 0 LCASE (string2) / / conver ...
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