Query the lock information of an Oracle object

Query the lock information of the Oracle object to facilitate unlocking without SELECT * + rule * s. username, DECODE (l. TYPE, TM, TABLELOCK, TX, ROWLOCK, NULL) lock_level, o. owner, o. object_name, o. object_type, s. SID, s. serial #, s. terminal,

Pl/SQL get the working time (very practical)

It is very useful to obtain the value of "no worker (PARAM_DATEINDATE) returnNUMBERisnum_worktimenumber: 8; -- total working duration num_minumber: 60; -- 60 Minutes num_ssnumber: 60; -- 60 seconds num_work_beginnumber: 824 + 30 (24*60); -- 8:

Obtain SQL Server table information

Python. dzone. comarticleswxpython-how-use-clipboardSQLServerexecsp_gtcEmployeeTabularUnsortedexecsp_gtcEmployee0, 1TabularSortedexecsp_gtcEmployee1, 0CSVUnsortedexecsp_gtcEmployee1, 1

Create a tablespace in oracle

Expand the tablespace first, check the tablespace name and file selecttablespace_name, file_id, file_name, round (bytes (1024*1024), 0) partition; 1. Add the data file ALTERTABLESPACEgameADDDATAFILEoracleoradatadb Expand the tablespace first, check

Graphic tutorial on compressing and repairing Access databases

1. Open your. mdb database 2. Click Tools in the top menu bar, Database Utilities, and click compress and repair databases to compress and repair Access databases, install the Access software in the Office software on your local computer before the

Create an efficient tree table TreeTable

. SELECT * FROM 'table' WHERE 'P Open this address to view, permanently valid, veteran bypass collar table enhancement + MPTT two modes of http://mat1.gtimg.com/hb/js/common/demo/tree.html super fast query all descendants draw a table, write the

List the top 10 software added to OSCHINA favorites

No details: OSCHINASELECTp. nameFROMosc_favoritesf, osc_projectspWHEREf.obj_idp.idANDf.type1GROUPbyf.obj_idORDERBYcount (f. obj_id) DESCLIMIT10 No details about oschina select p. name FROM osc_favorites f, osc_projects p WHERE f. obj_id = p. id AND

Sqlserver query metadata of all tables in the database

No SELECT (casewhena. colorder1thend. nameelseend) Table Name,. colorder field number,. name field name, (casewhenCOLUMNPROPERTY (. id,. name, IsIdentity) 1then √ elseend) ID, (casewhen (SELECTcount (*) FROMsysobjectsWHERE (name No SELECT (case when.

How to set the attribute of a field in Access7.4

After setting the Data Type of the fields, the lower part of the Attribute Table designer is used to set the field attributes of the fields in the table. The field attributes include the field size format, input mode, and other settings. the value

Locate the active SQL connection and kill it! [MSSQL]

Do you want to know what SQL statements SQL Server is executing? Then stop these SQL statements that are being executed? See the following code: codeprojectSQLServerselectdb_name (dbid) as [DatabaseName], count (dbid) as [NoOfConnections],

View the brief storage status of a tablespace in ORACLE

Check the brief storage status of the tablespace without selectb. tablespace_name tablespace name, round (B. all_byte) total space (M), round (B. all_byte-a.free_byte) used (M), round (. free_byte) remaining space, round (. free_byteb.all_byte) * 100

Clear all tables (rollback allowed)

During this time, a configuration library needs to be imported to different people. After each person is imported to the database, all the tables in the Database need to be cleared. If you want to import tables one by one, it is very troublesome,

Mongdb replica set + arbitration (with permission authentication)

Bytes I. Environment 1. Architecture diagram 650) this. width = 650; "src =" http://www.68idc.cn/help/uploads/allimg/151111/120F554M-0.jpg "title =" 111111111.png" alt = "regular"/> 2. deployment details 10.10.17.26: 27000 (primary) 10.10.17.27: 2700

Oracle learning performance optimization (4) collect statistics

The emp table has the following data. SQLselectename, deptnofromemp; ENAMEDEPTNO ------------------------------------------ queries. Suppose we have the following simple query se The emp table has the following data. SQLselectename, deptnofromemp;

Connect to a remote server

No connection to the remote server -- Method 1: select? *?? From? Openrowset (SQLOLEDB, server192.168.0.67; u, SELECT? *? FROM? BCM2.dbo. tbAppl) -- Method 2: select? *?? From? Openrowset (SQLOLEDB, 192.168.0.67; sa; password, SELECT? *? FROM?

XML Stream Query

In SQLServer2000, Microsoft released the Transact-SQL keywords FORXML and OPENXML. FORXML is an extension of the SELECT statement. It returns the XML stream query results shown in the following example. SELECTProductID,

Notes When querying IP address segments in mysql

Because of the preliminary design problems, when saving the ip address, it is not stored as an integer, but saved as a string. When querying the ip range, this problem occurs: selectipfromt_ipwhereipbetween192.168.11.1and192.168.11.150, when the

Modify a trigger

Modify the trigger SQLServerJDBCDriver to monitor the modification of a table and then automatically modify the data of another table: cf_userinfo table structure: CREATETABLE [dbo]. [cf_userinfo] ([id] intNOTNULLIDENTITY (1,1), [uid] intNOTNULL,

Query database instance information

No database instance information query -- view the memory status dbcc? Memorystatus -- check which causes blocking, blk? EXEC? Sp_who? Active? -- View the locked resource id, objidEXEC? Sp_lock? -- Current query analyzer SPID -- the status bar of

Oneproxy Middleware Architecture and precautions

Distributed Database implementation solutions are divided into two categories: one is program client implementation. For an existing business, too many code changes or even logical adjustments are involved. The other type is the middleware proxy

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