db2 sql select top

The command-line processor is the DB2 interface, which best embodies the power of DB2, as well as the simplicity and versatility of DB2. The author makes a detailed exposition of it through examples.0 Reviews:Blair Adamache, DB2 technology

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

Comparison of concurrency control (LOCK) between DB2 and Oracle Comparison of concurrency control (LOCK) between DB2 and Oracle 1 Introduction The minimal recovery and transaction units in relational databases (DB2, Oracle, Sybase, Informix, and

1 Introduction The minimal recovery and transaction units in relational databases (DB2, Oracle, Sybase, Informix, and SQL Server) are a transaction (Transactions). Transactions are ACID (atomicity, consistency, isolation, and durability) feature. In

1 Introduction In relational databases (Db2,oracle,sybase,informix and SQL Server) the smallest recovery and transaction units are one transaction (transactions), and transactions have acid (atomicity, consistency, isolation, and permanence)

: Network Disk DownloadIntroduction DB2 database is the core product of IBM's relational database, and it is widely used both domestically and globally. For DB2 beginners, the "Step DB2:DBA system Management, operation and application case"

I feel that the answers to many basic questions can be obtained through the help of DB2, because DB2 itself has very detailed help information after installation, so I think it is necessary to summarize how to get help from the DB2 command syntax!

1. Combined statement execution Begin atomic Expression 1, semicolon, space, and carriage return Expression 2; semicolon (,), space, and carriage return End 2. Tables with limited access permissions (the Public select access permission for

DB2 Common CommandsFirst, the basic article1. DB2 Connect to --Connect to local database nameDB2 Connect to user Using --connect to the remote database2. DB2 force application All--forcing all applications to disconnect from the database3. DB2

DB2 supports the following two types of tablespaces:1. System Management Memory table space (Sms-system MANAGED STORAGE)2. Database Management Memory table space (Dms-database MANAGED STORAGE)Comparison of characteristics of SMS and DMS user table