Advanced SQL > SEQUENCE And NEXTVAL Oracle uses the concept of SEQUENCE to create numerical primary key values as we add rows of data into a table. Whereas numerical primary key population for MySQL and SQL Se
How to get first 3 letters and year name from a column in SQL How to get first month of current year How to get First Name and Last Name From Full_Name with comma separated How to get hardware related metrics of SQL Server through query ? How to get Host name and SQL Instance Name...
$ret_value +=$sqlcmd; } #row loop # remove the final line of " union all" if ($ret_value.Length -gt 13) { $ret_value = $ret_value.Substring(0, $ret_value.Length-13); }; }#table loop }# $result.Tables.count
--Making sure to output SET IDENTITY_INSERT ON/OFF in case the table has an IDENTITY column IF (SELECT COLUMNPROPERTY( OBJECT_ID(QUOTENAME(COALESCE(@owner,USER_NAME())) + '.' + @table_name),SUBSTRING(@Column_Name,2,LEN(@Column_Name) - 2),'IsIdentity')) = 1 BEGIN IF @ommit_identi...
Also, make sure that the 64-bit version of Integration Services is installed if you are running a 64 An OLE DB error has occurred. Error code: 0x80004005 Apply substring on Decimal Assembly not found in SSIS Script Component- Random assign value to variable from flat file Assigning a value...
GENERATE 可以理解为要生成什么样的数据,这里的 group 就是上一步操作中B的第一项数据(即pig为A的第2、3、4列的组合赋予的别名),所以它告诉了我们:在数据集 C 的每一行里,第一项就是B中的group——类似于(1,2,5)这样的东西)。 而AVG(A.col5) 这样的计算,则是调用了pig的一个求平均值的函数 AVG,...
[string]$i_str = ($i.ToString() + ' '*4).Substring(0,4); if ($Mapping.Keys -contains $i) { #check the column sequence position and the data type of the corresponding column if ($columns -icontains $Mapping[$i]) { [string]$val = $Mapping[$i].ToString().ToUpper(); ...
Question 1: How do you extract and aggregate information from a JSON document stored in a PostgreSQL table? CREATE TABLE customer_orders ( id SERIAL PRIMARY KEY, customer_id INT, order_info JSONB ); -- Example JSONB column data: { "items": [{"product": "Book", "quantity": 2}, {...
tbl_BrandYearWise SQL SELECT * INTO tbl_BrandYearWise FROM ( SELECT *, SUBSTRING([Week],3,4) * 1 as iYEAR, 'FRANCE' as [sCOUNTRY], 'EURO' as [sCHAR], RIGHT([Week],2) AS Sale_Week FROM [DATABASE_FRANCE_EURO] WHERE [Sales Value with Innovation] Is Not Null ...
SQL Script Generate No, if you change, for example, varchar(100) to nvarchar(100), the column width increases from 100 bytes to 200, but the only thing that changes in the column definition is the additional "n". However, since the requirement was forautomaticgeneration of the CREATE ...