大约有 6,100 项符合查询结果(耗时:0.0226秒) [XML]

https://stackoverflow.com/ques... 

Get table name by constraint name [duplicate]

... SELECT owner, table_name FROM dba_constraints WHERE constraint_name = <<your constraint name>> will give you the name of the table. If you don't have access to the DBA_CONSTRAINTS view, ALL_CONSTRAINTS or USER_CONSTRAINTS...
https://stackoverflow.com/ques... 

How Can I Set the Default Value of a Timestamp Column to the Current Timestamp with Laravel Migratio

... use DB::raw() to set CURRENT_TIMESTAMP as a default value for a column: $table->timestamp('created_at')->default(DB::raw('CURRENT_TIMESTAMP')); This works flawlessly on every database driver. New shortcut As of Laravel 5.1.25 (see PR 10962 and commit 15c487fe) you can use the new useCurr...
https://stackoverflow.com/ques... 

How to take MySQL database backup using MySQL Workbench?

...different way as given below- Q.1) Backup file(.sql) contains both Create Table statements and Insert into Table Statements ANS: Select Start Export Option Q.2) Backup file(.sql) contains only Create Table Statements, not Insert into Table statements for all tables ANS: Select Skip Table Da...
https://stackoverflow.com/ques... 

MYSQL import data from csv using LOAD DATA INFILE

... You can use LOAD DATA INFILE command to import csv file into table. Check this link MySQL - LOAD DATA INFILE. LOAD DATA LOCAL INFILE 'abc.csv' INTO TABLE abc FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\r\n' IGNORE 1 LINES (col1, col2, col3, col4, col5...); For...
https://stackoverflow.com/ques... 

SQL Server: Get table primary key using sql query [duplicate]

I want to get a particular table's primary key using SQL query for SQL Server database. 10 Answers ...
https://stackoverflow.com/ques... 

Can table columns with a Foreign Key be NULL?

I have a table which has several ID columns to other tables. 7 Answers 7 ...
https://stackoverflow.com/ques... 

Unable to update the EntitySet - because it has a DefiningQuery and no element exis

... Entity Set is mapped from Database view A custom Database query Database table doesn't have a primary key After doing so, you may still need to update in the Entity Framework designer (or alternatively delete the entity and then add it) before you stop getting the error. ...
https://stackoverflow.com/ques... 

Define variable to use with IN operator (T-SQL)

... DECLARE @MyList TABLE (Value INT) INSERT INTO @MyList VALUES (1) INSERT INTO @MyList VALUES (2) INSERT INTO @MyList VALUES (3) INSERT INTO @MyList VALUES (4) SELECT * FROM MyTable WHERE MyColumn IN (SELECT Value FROM @MyList) ...
https://stackoverflow.com/ques... 

How to align input forms in HTML

...tion does not appear to work. The input elements are not left-aligned. The table solution below works. – johny why Jan 24 '14 at 18:18 1 ...
https://stackoverflow.com/ques... 

SQL - find records from one table which don't exist in another

I've got the following two SQL tables (in MySQL): 8 Answers 8 ...