db2 sql syntax

Reposted from: longtang Bay 1.1.1 obtain the first N records SQL Server: Select Top N * From xtable ORACLE: Select * From xtable where rownum DB2: Select * From xtable fetch first n rows only 1.1.2 obtain the current date SQL Server: Select getdate () ORACLE: Select sysdate from dual DB2: Select current timestamp from

Syntax Description 1, procedure-name: The name of the stored procedure, in the same database in the same mode, there can be stored procedure name the same number of parameters of the same stored procedures, even if the parameters of different types. 2, (in | Out | INOUT parameter-name data-type,...) : Incoming parameter in: input parameter out: output parameter INOUT: As input output parameter parameter-name: Parameter name, unique identifier in t

. procname from syscat. routines R, syscat. procedures proc, syscat. packagedep pdep where pdep. bname = upper ('% 2') and pdep. bschema = upper ('% 1') and R. specificname = Proc. specificname and pdep. pkgname = 'P' | substr (char (R. lib_id + 10000000), 2 )" Echo --- dependent UDF --- DB2 select routineschema, routinename from syscat. routinedep where bschema = upper ('% 1') and bname = upper (' % 2') and btype = 't'order by bname Echo -

, aggregate, or sort fragments in an XML document. For example, you cannot retrieve the email address of a Gold customer or the name of a customer living in a zip code "95116. To express these types of queries, you need to use SQL (SQL/XML) with XML extensions, XQuery, or both query languages. The next section describes the basic features of SQL/XML. In the next

, restrict, join, aggregate, or sort fragments in an XML document. For example, you cannot retrieve the email address of a gold customer or the name of a customer living in a zip code "95116. To express these types of queries, you need to use SQL (SQL/XML) with XML extensions, XQuery, or both query languages. The next section describes the basic features of SQL

The following articles mainly focus on the migration solution from Oracle SQL to DB2 SQL. Migration from Oracle SQL to DB2 SQL has become very popular, if you want to know more about its practical application, you can browse the f

customer residing in a region with a postal code of "95116". To express these types of queries, you need to use both query languages with XML-extended SQL (Sql/xml), XQuery, or combination. The next section explores several basic features of Sql/xml. In the next article, we'll learn how to write XQuery and how to use XQuery in conjunction with

The following articles mainly describe the actual operation steps for viewing DB2 dynamic SQL and Stored Procedure SQL, the following describes the actual operation steps for viewing DB2 dynamic SQL and Stored Procedure SQL. We ho

The following articles describe how to quickly migrate Oracle SQL to DB2 SQL. The following describes how to port Oracle SQL to DB2 SQL, I hope you will have a better understanding of it after browsing.

This article mainly describes the actual operation steps to maximize the use of DB2 SQL encoding for optimal performance. In practice, when you need to ensure that the use of IBM DB2®Universal Database™(DB2 UDB) and Borland®Tools (such as Delphi™, C ++ Builder™Or Kylix™When an enterprise application is built with the o

before you use them. The diagram in Listing 1 illustrates the syntax for variable declarations: Listing 1. Syntax for variable declarations .-,-----------------. 　　　　　　　　　　　　　　　 V　　　　　　　　　 | |--DECLARE----SQL-variable-name-+-------------------------------> 　　　　　　　 .-DEFAULT NULL------. >--+-data-type--+-------------------+-+-------------------------| 　|