iso iec 9075

Press: This is based on a few essays I wrote a long long ago to reorganize. 　　 SQLis aStructured Query Languagethe acronym, which was formerly known as the Relational database prototype systemSystem RThe use ofSEQUELlanguage. As a standard language

According to my observation, Chinese developers have created a unique SQL pronunciation:/' s?? kl/, not only nice, but also good to read, very good. But this year I began to do database-related work, as a professional, decided to make some textual

I used to think that the C-language style comment "/*… */"Is a standard SQL comment. Today, I checked the sql92 specification and found that the standard comment is" -- ". Of course, notes such as sql92 can only comment a row, which has its

Core idea: expected calculation.Pre-calculates the metrics that may be used for multidimensional Analysis, saves the calculated results to a cube, and exists in hbase for direct access when queriedHigh-complexity aggregation operations, multi-table

MySQL's greatest benefit is to provide a rich interface that creates APIs for use in various languages.Odbc:Open Database Interconnect (CONNECTIVITY,ODBC) is an integral part of the database in the Microsoft Open Service Architecture (Wosa,windows

Introduction to JDBCJDBC (Java Data Base Connectivity,java database connection) is a Java API for executing SQL statements, which is one of the 13 specifications of Java. You can provide unified access to a variety of relational databases,

Yukon, ms SQL Server 2005 codename, its biggest feature is built-in CLR, MS hypes for this. Here is my opinion: 1. In fact, this is not a new or advanced technology. Other mainstream databases have built-in JVM, including Oracle 8i, DB2 7.1, and

SQL is abbreviated as a Structured Query language (Structure query Language), a database application language that uses relational models, developed by IBM in the 70, as the prototype relational language of IBM relational database prototype system R.

The development history of SQL languageSQL is the abbreviation for Structured Query Language (Structure query Language), which is a database application language using the relational model, developed by IBM in the 70 's as the prototype relational