CREATE TABLE - BIT DataType and Default Value Create table from stored procedure Create table help Create Table with current date as part of the table name Create Table with variable name Create temp table and insert records in a while loop Create trigger based on two tables Create trigger doe...
So... how can I refer to a variable from within this SQL Statement to get the current data I need out of the table, as I loop through? I'm hoping you know the answer to this! stevefromOZ SSC-Forever Points: 43646 More actions ...
So now, all the IsPaid field of the details table was set to true. Question: How can I loop through each row in the Details table and check whether the IsPaid field is already true? if all rows were true, how can I update the IsPaid field of the Header table? Thank you all for...
The WHILE loop, according toSQL Server Loop through Table Rows without Cursorarticle, states that a WHILE is faster than a cursor and uses less locks and use less TEMPDB resources. However, WHILE loops are still slow and have a performance impact. If it is a nested loop, it will be even...
by-row. You might have used CURSORs to perform such tow-by-row operations. However, I do not prefer to use cursors as they are slow and will impact performance. As a good practice I always try not to use cursors in my sql code. But, how to loop through table rows without a cursor...
RAISE NOTICE'插入调整流向数据: %',sql;--建立临时表2sql='create table if not exists'||tmpfilename2; sql=sql||'( year int4 , yearmonth char(6) , bgid int4, bgname varchar(20) , bigareaid int4 , bigareaname varchar(20), ...
is_open (infile) THEN -- loop through each line in the file LOOP BEGIN UTL_FILE.get_line (infile, vnewline); -->从源文件读取行 i := UTL_FILE.fgetpos (infile); -->将行的位置赋值并输出 DBMS_OUTPUT.put_line (TO_CHAR (i)); UTL_FILE.put_line (outfile, vnewline, FALSE); --...
使用HASH JOIN代替NESTED LOOP 配置enable_batched_mode=true减少网络往返 2.2 数据倾斜处理 sql -- 自定义哈希分区解决热点 ALTERTABLEsales_data REPARTITION BY HASH(product_id) PARTITIONS32; 三、高性能执行策略 3.1 批处理与流式处理 java // Java批处理示例(每批5000条) ...
Create a string variable that will receive the name of the current table on each iteration of the loop. Add a Foreach Loop container to the Control Flow tab. For information about how to configure the Foreach Loop container, see Configure a Foreach Loop Container. On the Collection page of...
I've got a plain text file with two server\instance names in it. The goal is to loop through each one, run some queries, and output the results to Excel files. It actually works as I'd want it to, but also kicks out some errors, as well as an extra excel file named _cfr_0916...