Lab Sql

If I run the following SQL query SELECT * FROM A LEFT JOIN B ON A.foo=B.foo WHERE A.date = 'Ye… Read more Sql Order Of Operations

I have a table list of Student: Student SECTION student1 A student2 A student… Read more Query To Get Top 2 And 3 Rd Records From A Table

I have 3 tables; CASES, USERS and USER_META. For this issue you need to know that the USER_META tab… Read more Oracle Select Where Value Exists Or Doesn't Exist

How can I add a sub where statement in SQL if my Boolean parameter is true in JasperReports? For ex… Read more Jasperreports: How To Add A Where Statement In Sql Query Depending On A Boolean Parameter?

I would like to know how to use NULL and an empty string at the same time in a WHERE clause in SQL … Read more How To Use Null Or Empty String In Sql

I am using pl/pgsql in PostgreSQL 10, to create complex queries. I am testing a query with a couple… Read more Syntax Error In Dynamic Sql In Pl/pgsql Function

For some reason the data condition in the where clause is being ignored - any suggestions? SELECT … Read more Sql Server - Where Clause Condition Being Ignored

I want to run search query where i have multiple where clause. and multiple depends upon the user a… Read more Mysql Search From Multiple User Supplied Where Clause - Fix And Better Algorithm

I want to get rows with floats like my $float. I used this code: $float = $_GET['float']; … Read more Mysql Php - Get Float Like $float

I have a sales snapshot with about 35,000 rows. Let's call the columns: Sales Rep | Account ID … Read more Sql Statement Using Where From A Group Or Rank

I am trying to combine these two queries in Codeigniter. So the row either has to have the user_id … Read more Codeigniter Or_where_in

SELECT EmailOfConsumer, COUNT(EmailOfConsumer) as 'NumberOfOr… Read more Query That Counts Records With A Where Clause

I have a table of events containing a date (smalldatetime). I have a table of intervals (int) (days… Read more Is It Possible To Use Values From Another Table As The Interval In A Dateadd Function?

I have a (rather complicated) SQL statement where I select data from lots of different tables, and… Read more Invalid Column Name Error In Where Clause, Column Selected With Case

SELECT d.mt_code, d.dep_name, d.service_name, COUNT(*) FROM DepartmentService … Read more Left Join Does Not Return All The Records From The Left Side Table

I've got a table that returns the history of a value, as well as the current one, each with a d… Read more Conditional Where Statement In T-sql

I am trying to add case statement to where condition in a query. My query looks like below- select … Read more Use Case In Where Clause

SQL is not my strong suit, but I cannot figure out why this isn't working. I simply want to run… Read more Sql Server 2012 - Case Statement In Where Clause

I am very new to SQL and am using SQLite 3 to run basket analysis on sales data. The relevant colum… Read more How To Select Data Where Sum Is Greater Than X

I'd like to know if it's possible to do in Android something like this: public Cursor getFl… Read more Android/sqlite - Bit Operation On Where Clause