character functions

Oracle common commands and functions, do a collation, for later use, easy to consult.Common commands:Connection SqlplusCommand line to run CMD entry, such as logging in the SYS mode, the command is as follows:(1). Sqlplus "sys/zhb126 as SYSDBA"(2).

1. Character functions:ASCII (x)--Returns the ASCII code of the X characterConcat (x, y)--connect Y to output on XSelect Concat (first_name,last_name) from customers;Initcap (x) capitalize the first letter of each word in XINSTR (' NameName ', ' e ',

Some time ago learning Oracle To do the study notes, organized a bit, the following is a share of the Oracle common functions of some notes, and later will share other parts of the notes, please criticize correct.Use of the To_date () function in a 1

Oracle Main type functions: Single-line function: You can enter only one row of results and return a result. Common single-line functions are: Character functions numeric functions Conversion functions Date

Oracle of the DatabaseI. Management of the user1. The user is like a person in the company, and the authority is what the person can do in the company, his role is to explain his position.2. The user's privileges are divided into:System permissions:

One, character functionsThe character function is the most commonly used function in Oracle, so let's see what the character functions are:Lower (char): Converts a string to a lowercase format.Select lower (' AAAA ') from dualInStr

The character function is the most commonly used function in Oracle, so let's see what the character functions are: lower (Char): Converts the string to lowercase format. Upper (Char): Converts a string to a uppercase format. Length (Char): Returns

the character function character function is the most commonly used function in Oracle, let's see what the character functions are: lower (char): Convert the string to lowercase. Upper (char): Converts a string to an uppercase format. Length (char):

one, character functionsThe character function is the most commonly used function in Oracle, so let's see what the character functions are:Lower (char):Converts a string to a lowercase format.Upper (char):Converts a string to an uppercase

With the development of the Times, our development technology also with the update, for PHP or more commonly used, so I studied the PHP array to the string, here to take out and share with you, hope to be useful to everyone.It is often necessary to

String operation String operation, which is described in two examples. Example 1: pay for download) # Include # Include // Print the string Void display (char name [], char ch []); Void main () { Charch1 [40] = "hello world "; Charch2 [40] = "I

Writing efficient and concise C language code is the goal pursued by many software engineers. This article describes some experiences and experiences in programming.First move: Change Time with SpaceThe biggest contradiction in computer programs is

Writing efficient and concise C language code is the goal pursued by many software engineers. This article describes some experiences and experiences in programming. First move: Change Time with Space The biggest contradiction in computer programs

Common simple functions in oracle (ONE)In oracle, functions are divided into multiline functions and single-line functions. Single-line functions can be directly referenced in plsql blocks, but multiline functions can only be referenced in Embedded

String functions in the PHP language are also a relatively understandable knowledge. Today we summed up nearly 12 kinds of PHP string functions, I hope that the need for friends to help, increase the reader friend's PHP Knowledge base.1. Find

  Mysql compilation and installation and compilation Parameters Add a mysql group and a mysql user   [Root @ centos mysql] # groupadd mysql [Root @ centos mysql] # useradd-g mysql   Compilation and Installation   Tar-zxvf

writing efficient and concise C language code is a goal that many software engineers pursue. This article is to the programming work of some experience and experience to do relevant elaboration. 　　The first move: space change TimeThe biggest

SSH: Basic Oracle database, sshoracle DatabaseOracle Database basics 1: Basic Oracle knowledge (1) supports multi-user, large transaction volume Transaction Processing (2) Excellent database security and integrity. (3) supports distributed data

MySQL common functions Aggregate functions Count () queries the number of rows of a fieldMax () queries the maximum value of a fieldMin () queries the minimum value of a fieldSum () queries the sum of a fieldAvg () queries the average value of a

PHP functions: Master the applications of ord () and chr () functions. The third part of the Chinese character encoding Study Series, the PHP function section, master the application of the ord () and chr () functions, in the previous [PHP Basics],