sql reserved characters

In MySQL, the characters in the following table are explicitly reserved. Most of these digital binaries are used by standard SQL as column names and/or table names (for example, GROUP). A few are retained because MySQL needs them and (currently)

13. T-SQL and SQL query AnalyzerWhat is SQL?What is T-SQL?Introduce new features of T-SQLHow to Use T-SQLSummaryIn this chapter, we will introduce some basic concepts about the Structured Query Language and transact-SQL and their differences. This

Attempting to use a qualifier, such as using an embedded MySQL data type or function name as a table or column name, such as timestamp or group, can cause a common problem. Allows you to do this (for example, ABS can be used as a column name).

When creating tables (such as attribute tables, datasets, and so on) and fields in Supermap, there are certain restrictions on the name of the field name and dataset: Consists of Chinese characters, letters, numbers, and underscores, but

access|server|sql| Comparison | tips Background database:[Microsoft Access]And[Microsoft SQL Server]After the replacement, the ASP code should note some of the areas to be modified: [One] connection problem (for example)[Microsoft Access]Constr =

Recently using Flex to send a Httpservice request to the background, the request parameter contains the SQL wildcard character%, Background to get the information is always incorrect, after the query learned that the original% is a reserved

http://uule.iteye.com/blog/2061773 (source)Bulk Import Script :Open a Command Window > enter @ > It will let you select the file you want to import (you need to know the order of the imported files, Plsql will not automatically recognize this or

I. T-SQL overviewThe programming language that SQL Server uses to manipulate the database is Transaction-sql, or T-SQL. T-SQL differs from PL/SQL, and there is no fixed program structure.T-SQL consists of the following 4 sections:DDL: Define and

Some special characters in SQL statements are reserved by SQL statements. For example. We can first look at their usage. When you need to query a certain data, add a condition statement, or when you need an insert record, we use 'to cause data

First, identifiersIn the T-SQL language, the names of SQL Server databases and their data objects (such as tables, indexes, views, stored procedures, triggers, and so on) need to be named and distinguished by names, which are called