sql 2012 release date

Date functionDate functions manipulate Date values (fields of date type), timestamp values (TIMESTAMP, TIMESTAMP with time ZONE, and TIMESTAMP with the fields of the local time ZONE type), and interval values (INTERVAL day to SECOND and INTERVAL

1.1.1 Summary During the development process, we may encounter system performance bottlenecks from time to time, which may be caused by insufficient code efficiency or hardware or network problems, it may also be a problem with database design. This

1.1.1 Summary In the development process, we occasionally encounter system performance bottlenecks, which can cause a lot of reasons, may be the code is not efficient, may be hardware or network problems, but also may be the problem of database

Let's start by understanding several definitions:RTM: Represents the release to manufacturing, which is the default version of the original release version of the product when downloaded from the CD or MSDN. However, there are also versions of the

Oracle SQL * Loader architecture 1. SQL * Loader architecture SQL * Loader controls the description of the entire load by an input control file, one or more data files are used as raw data, its detailed composition structure includes Input Datafiles

Setp-1 to generate data files: GetObject. SQL SELECT a.owner||',"'||a.object_name||'",'||a.object_id||','||to_char(a.created,'yyyy-mm-dd hh24:mi:ss')||','||a.statusFROM dba_objects a, (SELECT rownum rn FROM dual connect BY rownum Call. SQL SET

In Sebastian Mui, 2012/12/26the series This article isPart of the "Stairway series: SQL Server replicated ladder" SQL replication resolves many issues in running database-driven applications. The publishing/subscriber model is not entirely easy to

I have read a summary article about the oraclerename syntax. The original address Renamingredologmembers; Renamingtablespaces; namespaces; Renamingconstraints; Renamingschemaobjects (tables, views, sequences, privat I have read a summary article

Original: T-SQL Development--id processing articleThe difference between identity, Timestamp and uniqueidentifier in the database self-increment ID function: Problem phenomenon:The generation of general serial numbers is implemented using T-SQL

It is believed that when you work with database programming, you might often use the pivot operator. Today, I'm going to use the pivot operator to share a simple report that I've been working on for a while.For example, for an employee base table Tb_