Quickly connect to the Oracle server. At this time, we found that: 1. the dba permission is not granted after the connection. 2. SYS. DBMS_EXPORT_EXTENSION.GET_DOMAIN_INDEX _ cannot be used _
Quickly connect to the Oracle server. At this time, we
MD5 encryption in Oracle and OracleMD5 Encryption
I. Technical Points
1. DBMS_OBFUSCATION_TOOLKIT.MD5DBMS_OBFUSCATION_TOOLKIT.MD5 is an MD5-encoded data packet function, but an error message is displayed when select DBMS_OBFUSCATION_TOOLKIT.MD5
Createtypechar_tableistableofvarchar2 (4000); -- create a custom type script createorreplacefunctionsplit_string (pi_strin
Create type char_table is table of varchar2 (4000); -- create a custom type script create or replace function split_string (pi_
1. Oraclesql statements do not support the boolean type; 2. decode is unique to oracle; while case is a standard SQL statement, which can be used by mysql and sqlserver, and case can also be used.
1. Oracle SQL statements do not support the boolean
A lot of friends have used or are using UltraEdit, this editor accompany me for several years, from a lot of places affect my code to write the shortcut key habits, UltraEdit provides a very rich editing functions, which is very important to find
Regular Expressions (UltraEdit Syntax):% Match Beginning-Indicates that the string to be searched must be at the beginning of the line.$ Match Line End-indicates that the string to be searched must be at the end of the row? Matches any single
Specifies that the text box can only enter an integer code instance:Sometimes it may be necessary to specify that the text box content can only enter integers, and here is an example of a code that can be used to implement this function for
The most complete data editing technique in history, freeing you from the madness state of your daily data analysis and processing.One, the hidden ranks"Amazing, Excel appeared supernatural event, part of the area disappeared!" "A mm in the office
Download the test version:Http://www.symental.com/sfw/xrename.zip
Xrename, also known as the file folder super rename tool, can help you quickly rename a batch of files or folders according to the specified requirements, for example, replace
PL/SQL Block
Declare begin
-- SQL statement
-- SQL statement directly written (DML/TCL)
-- Indirectly write execute immediate
-- Select statement
the into clause must be included.
Select empno into eno from emp
Where e-mapreduce = 7369;
only one
Part 1: SQL & PL/SQL[Q]How to query special characters, such as wildcards % and _[A] select * from table where name like 'a \ _ % 'escape '\' [Q]How to insert single quotes to database tables[A] ASCII codes can be used for processing. Other special
Oracle data types, functions and stored procedures, and oracle Data TypesString typeFixed Length: char nchar n indicates Unicode encodingVariable Length: varchar2 nvarchar2Number Type: number (P, S) P: integer digits, S decimal
We often traverse the system tables in the data dictionary to write SHELL scripts or dynamically create data. Here I use PLSQL to demonstrate three methods to traverse a table.
The table structure is as follows,
t_girl=# \d tmp_1;
Oracle SQL statements do not support the boolean Type (decode & case)
Version:SQL> select * from v $ version;
BANNER--------------------------------------------------------------------------------Oracle Database 11g Enterprise Edition Release 11.1.0.
Oracle Database PLSQL learning summary, oracleplsqlPLSQL Introduction
PLSQL is an extension of SQL99 in Oracle., Basically every database will expand SQL. Oracle's extension to SQL is called PLSQL...
What is SQL99?
(1)Is the rule for operating all
A regular expression is a query string that contains general characters and special characters. special characters can be used to expand the search string capability. The function of a regular expression in searching and replacing strings cannot be
Greenplum is a distributed database with many PostgreSQL databases under it. Sometimes we need to know what the underlying node is doing. Can we directly have a view or SQL on the master node, you can view the SQL statements of each node and
Some instances are collected online.A regular expression is a query string that contains general characters and special characters. Special characters can be used to expand the search string capability. The function of a regular expression in
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.