My query looks like this : SELECT parent2.subid AS parent2id, parent2.sub AS parent2desc, key.subid AS ID, parent1.subid AS parentid, parent1.sub AS parentdesc, key.sub AS key FROM (table1 AS key …
sqlite variables
Greetings! I am using SQLite. I want to declare variable, but it gives me a syntax error. Please help me to find a solution: Select * from t2 where value= ? This is my query. Now how can I pass …
Select NULL Values in SQLAlchemy
Here’s my (PostgreSQL) table — I want to select all people that are not known to be married, i.e., including those with NULL marriage_status. This does not work — Of course this does — The problem is that I’m accessing it from SQLAlchemy with — which gets translated to — And does not work — neither does — How should
Join query on Date Range
HI I have following tables and so on for whole year I want the following output I need to take join between these two tables but i couldn’t figure how join condition will be look like Ragards Answer
Complex JOIN with ActiveRecord and Rails 3
I have the following models: I have to find all posts that belong to groups where user is a member. I have made it with this method: but it produces unefficient SQL: I want to make a query like this: How can I do this without using raw SQL? Answer something like this should work for you, although it requires
SQL SELECT clause tuning
Why does the sql query execute faster if I use the actual column names in the SELECT statement instead of SELECT *?
Inserting into Oracle and retrieving the generated sequence ID
I have a handful of raw SQL queries for SQL Server which use SCOPE_IDENTITY to retrieve the generated ID for a specific INSERT immediately after that INSERT occurs all in one execution… The question is: What’s the best way to do that for an Oracle database? Can this be done on Oracle through standard SQL or do I have to
How to convert last insert id into string?
I have a create account page and on the page I have one button to insert all the details into two seperate tables one of the tables Pictures is dependant on the User table 1:1 relationship via UserID. I have written some code to try get the last insert id so I can insert into the pictures table: Not sure
How to do a batch insert in MySQL
I have 1-many number of records that need to be entered into a table. What is the best way to do this in a query? Should I just make a loop and insert one record per iteration? Or is there a better way? Answer From the MySQL manual INSERT statements that use VALUES syntax can insert multiple rows. To do
Update cell in jTable using SQL
I want to know how I can update specific cells in jTable (in Java) using SQL. This my try but it doesn’t work. Note: I am working in Netbeans. Answer finally I’ve found the correct answer the following code will explain every thing thanks for every one helped me