Recent questions tagged Sql

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sql - "SELECT DISTINCT" ignores different cases

I have the problem, that MSSQL Server 2000 should select some distinct values from a table (the specific column ... How to solve this problem? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server 2008 - How to count in SQL all fields with null values in one record?

Is there any way to count all fields with null values for specific record excluding PrimaryKey column? ... explicitly specifying column names. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - SHOW ALL Dates data between two dates; if no row exists for particular date then show zero in all columns

I want to show all dates between two dates when there is any date data missing then its should show zero in ... =0 SQL FIDDLE WITH SAMPLE DATA See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server - SQL injection: isn't replace("'", "''") good enough?

While I can certainly see the advantages of using parameters for SQL queries, especially when dealing with ... SQL injection with this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server - Are primary keys passé?

What unique functionality do Primary Keys provide? While i titled the question with tongue firmly planted in cheek, my ... to defining a PK. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - How to use a dynamic parameter in a IN clause of a JPA named query?

my problem is about this kind of query : select * from SOMETABLE where SOMEFIELD in ('STRING1','STRING2'); the ... : JPA version 1.0 Oracle 11G See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Oracle: Updating a table column using ROWNUM in conjunction with ORDER BY clause

I want to populate a table column with a running integer number, so I'm thinking of using ROWNUM. However, ... iteration method in PL/SQL? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - How to count date difference excluding weekend and holidays in MySQL

I need to count days (business days) between two dates excluding weekend (most important) and holidays SELECT DATEDIFF(end_date ... 51, 6, ''); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server - Commas within CSV Data

I have a CSV file which I am directly importing to a SQL server table. In the CSV file each column is ... SQL server. What should I do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server - Set database collation in Entity Framework Code-First Initializer

I want to set the default collation for a database, when Entity Framework Code First creates it. I've tried ... can set the collation please? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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469 views

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sql server - INFORMATION_SCHEMA vs sysobjects

In SQL Server: What is the difference between INFORMATION_SCHEMA and sysobjects? Does one provide more information ... difference between these? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server - Date range overlapping check constraint

I've a simple table in sql server 2005 with 3 columns: DateStart, DateEnd and Value. I tried to set a ... range and DateEnd excludes from range. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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528 views

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sql server - How to get only numeric column values?

Using SQL Server 2005 I want to get only numeric values from the table Column1 12345 asdf 2312 ase acd ... ... value Need SQL Server Query help See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range?

I am working on application contains a datepicker and if I set the time in that picker to a very old ... The statement has been terminated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - How do I extract Month and Year in a MySQL date and compare them?

How do I extract the month and date from a mySQL date and compare it to another date? I found this MONTH() ... . I looking for month and year. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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628 views

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sql - Excel VBA: writing to mysql database

I would like to write a macro in Excel that will write to a mysql database. Can someone please get me started on this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - When I call PreparedStatement.cancel() in a JDBC application, does it actually kill it in an Oracle database?

I have Java JDBC application running against an Oracle 10g Database. I set up a PreparedStatement to execute a ... bowels of Oracle? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Prepared Statement on Postgresql in Rails

Right now I am in the middle of migrating from SQLite to Postgresql and I came across this problem. The ... doing wrong? Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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382 views

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sql - ORA-22905 - when querying a table type with a select statement

DECLARE TYPE record_AB IS RECORD ( AA VARCHAR2 (16 BYTE), BB VARCHAR2 (16 BYTE) ); TYPE type_tab_AB IS TABLE ... a table type within PLSQL? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Select latest row for each group from oracle

I have a table with user comments in a guestbook. Columns are: id, user_id, title, comment, timestamp. I need ... . How can this be done? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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494 views

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sql - MySQL GROUP BY DateTime +/- 3 seconds

Suppose I have a table with 3 columns: id (PK, int) timestamp (datetime) title (text) I have the ... the nature of the server software. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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584 views

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sql server - Perform regex (replace) in an SQL query

What is the best way to replace all '&lt' with < in a given database column? Basically perform s/&lt[^;]/</gi ... up with <;;;;;;;;;) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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446 views

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sql - MySQL equivalent of Oracle's SEQUENCE.NEXTVAL

I need to be able to generate run a query that will return the next value of ID on the following table: ... done in one query the better. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Mysql Duplicate Rows ( Duplicate detected using 2 columns )

How to remove duplicated in this setup? id A B ---------------- 1 apple 2 2 orange 1 3 apple 2 4 ... what I need ? Many thanks for your replies. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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357 views

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sql server - migrate data from MS SQL to PostgreSQL?

I've looked around and can't seem to find anything that answers this specific question. What is the simplest ... although free is preferable :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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473 views

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sql server - How to insert Arabic characters into SQL database?

How can I insert Arabic characters into a SQL Server database? I tried to insert Arabic data into a ... characters into SQL Server database? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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463 views

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sql - "Order By" using a parameter for the column name

We would like to use a parameter in the "Order By" clause of a query or stored procedure created with ... expression referencing a column name. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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332 views

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sql server - Removing duplicate rows (based on values from multiple columns) from SQL table

I have following SQL table: AR_Customer_ShipTo +--------------+------------+--------------- ... ', which only allows me to write queries.] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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