sql server 2012 tutorial pdf

Previous note: Starting with SQL Server 2008, we can easily export data scripts without resorting to stored procedures, but there is a slight difference in the process of exporting scripts for SQL Server 2012 and SQL

after the application side performance is good; we know that in synchronous mode, Since the application side waits for the synchronization secondary node to complete the log cure (Harden) to receive the commit or rollback information, the network environment between the two nodes and the disk IO capability become the key of the above impact; Prior to this, we have optimized the network (see: SQL Server

2012 new features, but also a small number of features, can only convert strings to numeric types or date types, because the number type or date type is very small, so The performance of Parse is almost impossible to change, and I have made a lot of comparisons and found that Parse is an alternative in most cases. 3. Comprehensive comparisonA. If you are doing development for SQL

When you add a System DSN SQL Server Native Client 11.0 to the test database, you are prompted with the following error:--------------------------Microsoft SQL Server Logon---------------------------Connection failed:SQLState: ' 08001 'SQL

configuration, and click Next. 11, disk space requirements, leave the default, click Next. 12, server configuration, leave the default, click Next. 13. Database engine configuration, select Mixed Mode authentication and Windows authentication, specify SQL Server administrator, click Next. 14. Error reporting, click Next.15, installation configuration rules check

In earlier version of SQL Server Management Studio (2005, $ R2) You can show/hide Results pane using keyboard Shortcut ctrl+r . This shortcut is also present in Query Analyzer (SQL Server 2000).This shortcut was no longer available in SQL

Label: SQL Server AlwaysOn technology relies on the Windows WSFC feature, the Failover Clustering feature. Both Liunx corosync+pacemaker and Oracle Grid Infrastructure need to complete the control of cluster resources and resource isolation. WSFC transfers and isolates the resources associated with SQL Server,

This article describes how to remove/unload a SQL Server 2012 DB instance. The procedure is as follows:Go to the Server/PC Control Panel, open programs > Programs and Features, select Microsoft SQL Server

This article is based on the previous "SQL Server 2012 alwayson--specified data synchronization link, eliminate network jitter caused by the submission delay problem" problem continue to optimize, the specific background please refer to the above; After one months of tossing and turning, the hard-to-chew bone has finally been fixed. The problem is only the

are recorded in a data table,When the Merge Agent runs, it collects GUIDs in the data tables that indicate which rows were modified at the publisher and at the Subscriber. For data that is modified only at the publisher or at the Subscriber, the corresponding actions are made directly, such asInsert,update,delete, if both parties have a GUID, the conflict is resolved in a user-specified manner, and the default publisher server takes precedence.Let's

After we have built the table with SQL Server 2012, we are prompted when inserting or modifying any column: When the user changes the table structure in SQL Server 2012 Enterprise Manager, you must first delete the original table

Referring to SQL Server 2012 Analysis Services, you have to say business intelligence, which is a process of converting data into knowledge. This article will give a brief introduction to SQL Server 2012 Analysis Services and busi

Label:SQL Server 2012 new and changed DMV System View Description SYS.DM_EXEC_QUERY_STATS (Transact-SQL) Four columns were added to help troubleshoot problems with long-running queries. SYS.DM_OS_VOLUME_STATS (Transact-SQL) by using this dynamic

Tags: database backup SQL server2012 ZBLOGBlog has been built for several years, but because I am a layman, so the beginning of the use of the Zblog asp+access database to build, mainly because of technical shortcomings.But after several years of finishing and writing, found this system more and more cards, consulted a lot of bloggers, and went to Zblog forum many times, found that because of the database cause, Access database can only build some sma

Label: As business data grows, the number of single tables is already billions and the data being queried is getting slower, so consider partitioning the database tables and upgrading the database to SQL Server 2012. There were no more considerations at the time, and the SQL Server