openjson sql server 2014

SQL Server user-defined Function usage, sqlserverfunction I. FUNCTION:In sqlserver2008, there are 3 custom functions: scalar functions, inline table valued functions, and multi-statement table valued functions. First, summarize the similarities and differences of their syntax: Similarities:1. the creation definition is the same: a, create function F_NAME (type of input parameter name) B, RETURNS return valu

Implement RowNumber () Over (Partition by) and qlikviewrownumber in SQL Server in QlikView This is often the case when field A has many duplicate values, but the values in field B are unique After grouping by field A. Therefore, SELECT, when field B is used, you do not know which value in field B is used. Therefore, when field A is repeated, you want to obtain the value of field B, the data must be based on

Tags: blog http using OS file Data 2014 databaseError message DescriptionThe database is backed up on a server that is running version 10.50.1600. This version is incompatible with this server (running version 10.00.1600). Restore the data on the server that supported the share,Or use a backup that is compatible with t

Use SQL Server statements to create databases, create data tables, and perform database operations, including retrieval, insertion, deletion, and modification. The following is an example of database operations. A warehouse supermarket uses the POS (PointofSale) Cash Register to collect the sales information at the front end. Create a database, create a data table, and perform database operations, including

= P.partition_number JOIN sys.filegroups As FG on fg.data_space_id = dds2.data_space_id left JOIN sys.partition_range_values as Prv_left on Ps.fu nction_id = prv_left.function_id and prv_left.boundary_id = P.partition_number-1 left JOIN sys.partition_range_val UEs as prv_right on ps.function_id = prv_right.function_id and prv_right.boundary_id = P.partition_number WHE RE objectproperty (p.object_id, ' ismsshipped ') = 0 UNION all SELECT object_name (p.object_id) as ObjectName,

.data_space_id left JOIN sys.partition_range_values as Prv_left on Ps.fu nction_id = prv_left.function_id and prv_left.boundary_id = P.partition_number-1 left JOIN sys.partition_range_val UEs as prv_right on ps.function_id = prv_right.function_id and prv_right.boundary_id = P.partition_number WHE RE objectproperty (p.object_id, ' ismsshipped ') = 0 UNION all SELECT object_name (p.object_id) as ObjectName, I.name as IndexName, p.index_id as IndexID, NULL As Partitions

table dbo.) Orders, dbo. ordersarchive)--ALTER TABLE dbo. Orders switch partition 1 to dbo. Ordersarchive partition 1--ALTER TABLE dbo. Orders switch partition 2 to dbo. Ordersarchive Partition 2--ALTER TABLE dbo. Orders switch partition 3 to dbo. Ordersarchive Partition 3In fact, partitioned table partition switching does not actually move the data, but SQL Server changes the table's metadata at the botto

()-returns 8 (2) DATEPART (datepart, date) Returns an integer that represents the specified date of a specified date. Select datepart (year, Getdate ()-returns 2006 (3) DATEADD (datepart, number, date) Returns the new datetime value after the specified date plus a time interval. Select dateadd (week, 1, GetDate () -- the date after the current date plus one week (4) DATEDIFF (datepart, startdate, enddate) Returns the number of date boundary and time boundary that span two specified dates. Selec

In AlwaysOn, SQL Server uses the "step-on" Record of the memory table, and sqlalwayson Preface Recently, memory tables were used in a database in the online alwayson environment. After about a week, the monitoring program found a very serious problem. The log files of this database will not be truncated, And the used space has been increasing (there is a regular log backup every hour ), at the same time, th

SQL Server Report statistics-parameterized Dynamic Compaction row-to-column, sqlserverregression List all table structures first: -- Title Report -- table real-time Water Fee: hx_t_received -- field Charge Department id: hx_f1_mentid 1. Charge Department name: hx_fdepartmentname water fee information ID: hx_freceivableid -- charge type: hx_ftype (Water Fee (1 ): [Account Opening (table) Water Supply categ

then we can break down each point of the key.Partitioning is to split a table data into sub-collections, that is, to split a data file into multiple data files, but the storage of these files can rely on a filegroup or multiple filegroups, because more than one filegroup can increase the database access concurrency, but also can be different partitions configured to different disks to improve efficiency , the recommended partition is created with the same number of filegroups.1. Create filegrou