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How do I turn off Oracle password expiration?
...mand:
ALTER USER xyz_user IDENTIFIED BY new_password;
Below is a little SQL*Plus script that a privileged user (e.g. user 'SYS') can use to reset a user's password to the current existing hashed value stored in the database.
EDIT: Older versions of Oracle store the password or password-hash in t...
What are the best PHP input sanitizing functions?
...way to make sure data is properly escaped and encoded. If you're building SQL, then the accepted way to pass data in queries is through prepared statements with placeholders.
One of the better ways to work with most SQL databases in PHP is the PDO extension. It follows the common pattern of prepar...
What's the difference between a catalog and a schema in a relational database?
...n Introduction to Database Systems, 7th ed., C.J. Date, p 69-70.
From the SQL standard point of view :
Catalogs are named collections of schemas in an SQL-environment. An
SQL-environment contains zero or more catalogs. A catalog contains
one or more schemas, but always contains a schema nam...
Why would you use Oracle database? [closed]
...hy you choose Oracle database versus the latest flavors of:
1) Microsoft SQL Server
2) MySQL
3) PostgreSQL
6 Answer...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++使用OLE/COM高速读写EXCEL的源码VC对Excel表格的操作的方法有多种，如：通过ODBC数据库实现，通过解析Excel表格文件，通过OLE COM的实现。本文主要研究通过OLE COM实现对Excel表格的操作。另外，本文主代码中汇聚各网友的智慧进行...
Remove all spaces from a string in SQL Server
What is the best way to remove all spaces from a string in SQL Server 2008?
23 Answers
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How do I make a composite key with SQL Server Management Studio?
How do I make a composite key with SQL Server Management Studio?
7 Answers
7
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What is the meaning of the prefix N in T-SQL statements and when should I use it?
I have seen prefix N in some insert T-SQL queries. Many people have used N before inserting the value in a table.
4 Answe...
How to insert a value that contains an apostrophe (single quote)?
What is the correct SQL syntax to insert a value with an apostrophe in it?
10 Answers
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Is the LIKE operator case-sensitive with MSSQL Server?
...not the operator that is case sensitive, it is the column itself.
When a SQL Server installation is performed a default collation is chosen to the instance. Unless explicitly mentioned otherwise (check the collate clause bellow) when a new database is created it inherits the collation from the ins...