This article summarizes the common operation commands of DB2 and shares them with you. For friends who use DB2, refer to the following.The DB2 database management client is no longer with the control center since the v9.7 version, but instead uses
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
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
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
Check archiving processing View Log Archive status DB2 "Select Date (CAST (start_time as TIMESTAMP)) as DATE, COUNT (*) as Number_of_logs_per_day, (Count (*) *23.4375) as AMOUNT_LOGS_DAY_MB, Dbpartitionnum as Dbpart From Sysibmadm. Db_history WHERE
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
To speed up the loading of data, many DBAs prefer to use the load tool for data migration and loading, but the load utility brings us some problems as well, and today focuses on the solution when we encounter problems when we use the Load tool again.
DB2 supports Incremental Backup (Incremental Backup) and Delta Backup (Delta Backup. incremental backup is equivalent to a differential backup in Oracle, that is, after a full backup, all the changes since the full backup are backed up for each
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)
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