types of cursor in sql server

). Tinyint: Integer data from 0 to 255. Bit:1 or 0 of integer data. (4) Decimal and numeric The two types of data are equivalent. have two parameters: P (Precision) and S (scale). p Specifies the maximum number of decimal digits that can be stored to the left and right of the decimal point, and P must be a value from 1 to 38. s specifies the maximum number of decimal digits that can be stored to the right of the decimal point, and S must be a value b

Sharing the SQL area, private SQL area, and game Benchmark 1. Sharing the SQL area is another way to name the handle of the cursor object in Librarycace and the data of the Child heap. Ii. Concept of private SQL zone is stored in PGA in dedicated

Although int is still the primary integer data type in SQL Server 2000, SQL Server 2000 is a new addition to the integer data type bigint, which applies to situations where integers exceed the int data range. The int data type represents a range of values from -2^31 to 2^31-1, that is, you can use INT data

Search the internet about the data types of comparison, there are almost no three database comparison, I wrote some of the comparison of the fields, if there is a wrong place, please feel free. Java fields Oracle Fields MySQL Field SQL Server Fields Int Number Int Int Java.lang.double Nu

Label:A data table is made up of multiple columns, and you must specify the data type of each column when you create the table. The following is a list of usage rules for common SQL Server data types . Integer type Int The storage range is an integer between 2,147,483,648 and 2,147,483,647, and this type is often set by the p

created when the type is created, and you cannot use the ALTER statement.Declare table variables according to table typeDECLARE @table_variable type_name;Table variablesA table variable is a type of data that has the structure of a table and the functionality of some tables. It can be queried, inserted, updated, deleted. It is important to note that table variables cannot be used with select: INTO statement Insert dataBut temporary tables can. Table variables can be used in combination with sto

Tags: bar type convert int mil false cond reserved--HarThe time (2) type retains two bits of milliseconds, and after the application converts the time (2) type to int to SQL Server, the following two methods can convert int to time (2):--Method 1 DECLARE @T int SET @T = 10455836 SELECT DATEADD (Hour, (@t/1000000)%, DATEADD (minute, (@T /10000)%, DATEADD (second, (@t/100)%, DATEADD (millisecond, (@T%) *, cas

Tags: fixed har char trim definition length take number requires VarThe length of the char type is immutable in SQL Server, and the length of the varchar is variable.When depositing data:If the data type is char, when a fixed length of a field is defined, if the length of the stored data is less than the length of char, then the length of data stored in the data is still defined field length, the data forma

In our daily development process, when designing a database, we often encounter problems with selecting data types, choosing what type of data is most appropriate, and then choosing the corresponding CLR type when we create the corresponding entity in the project. In response to these questions, this article was born. SQL Server data

meet the current conditionsSET @myDoc. Modify ('Insertif (count (/root/location/step) Then element step {"This is new step"}Else ()As first into (/root/location) [1] ')SELECT @myDoc;2. Update XML DECLARE @myDoc XML SET @myDoc = ' Laborhours= "1.1" Machinehours= ". 2" >manufacturing steps is described here. SELECT @myDoc; --The value of the LaborHours property in the replacement node location is SET @myDoc. Modify (' Replace value of (/root/location/@LaborHours) [1] With "" ") Sele

Label:Snapshot publication:The publisher sends a snapshot of the published data to the Subscriber at a predetermined interval.Transactional publications:After the subscriber receives the initial snapshot of the published data, the publisher streams the transaction to the Subscriber.Peer Publishing:Peer publishing supports multi-master replication. The publisher streams the transaction to all peers in the topology. All peer nodes can read and write changes, and all changes are propagated to all n

Shared SQL zone, private SQL zone, and cursor I. Share the SQL ZoneThe shared SQL zone is another way of calling the handle of the cursor object in the Library cace and the data of the Child heap.Ii. Concept of private

constants and variables. The cursor is static and the cursor variable is dynamic because it is not bound with a specific query.8.1 declare a cursor variable Syntax: TYPE ref_type_name IS REF CURSOR [ RETURN return_type]; Note: There are two types of