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4D v20
Summary of commands
Summary of commands
The tables below list the 4D for OCI commands by theme. Syntax information is also provided for each command on a separate page. (Click on the command name to go directly to its corresponding page in this manual).
For more detailed information about the use of these commands, please refer to their equivalent OCI command described in the OCI documentation provided by the Oracle corporation.
Note: The Extras theme is composed of 4D commands that do not have equivalents in the OCI documentation.
| Command name | Purpose |
| OCIBreak | Carries out an immediate asynchronous break |
| OCILogoff | Releases a session retrieved using OCILogon. |
| OCILogon | Simplified single-session logon |
| OCIParamGet | Gets parameter descriptor |
| OCIParamSet | Sets parameter descriptor in COR handle |
| OCIPasswordChange | Changes password |
| OCIReset | Resets asynchronous operation and protocol (after call to OCIBreak) |
| OCIServerAttach | Attaches to server; initializes server context handle |
| OCIServerDetach | Detaches from server; uninitializes server context handle |
| OCISessionBegin | Authenticates user |
| OCISessionEnd | Terminates user session |
| Command name | OCI command name (if different) | Purpose |
| OCIBindDateByName | OCIBindByName | Binds dates by name |
| OCIBindDateByPos | OCIBindByPos | Binds dates by position |
| OCICollAppend | Collection appends element | |
| OCICollAssign | Assigns collection | |
| OCICollAssignElem | Collection assigns element | |
| OCICollGetElem | Gets pointer to an element | |
| OCICollMax | Returns maximum number of elements in collection | |
| OCICollSize | Gets current size of collection (in number of elements) | |
| OCICollTrim | Trims elements from the collection | |
| OCIDateAddDays | Adds or subtracts days | |
| OCIDateAddMonths | Adds or subtracts months | |
| OCIDateFromText | Converts string to date | |
| OCIDateLastDay | Gets date of last day of month | |
| OCIDateNextDay | Gets date of next day | |
| OCIDateSysDate | Gets current system date and time | |
| OCIDateToText | Converts date to string | |
| OCIDateZoneToZone | Converts date from one time zone to another zone | |
| OCIDefineDateByPos | OCIDefineByPos | Defines output variable association |
| OCIIterCreate | Creates iterator to scan the array elements | |
| OCIIterDelete | Deletes iterator | |
| OCIIterGetCurrent | Gets current collection element | |
| OCIIterInit | Initializes iterator to scan the given collection | |
| OCIIterNext | Gets next collection element | |
| OCIIterPrev | Gets previous collection element | |
| OCIRawAllocSize | Gets allocated size of raw memory in bytes | |
| OCIRawAssignBytes | Assigns raw bytes to raw | |
| OCIRawAssignRaw | Assigns raw to raw | |
| OCIRawPtr | Gets raw data Pointer | |
| OCIRawResize | Resizes memory of variable-length raw | |
| OCIRawSize | Gets raw size | |
| OCIRefAssign | Assigns one Ref to another | |
| OCIRefClear | Clears or nullifies Ref | |
| OCIRefFromHex | Converts hexadecimal string to Ref | |
| OCIRefHexSize | Returns size of hexadecimal representation of Ref | |
| OCIRefIsEqual | Compares two Refs for equality | |
| OCIRefIsNull | Tests whether Ref is Null | |
| OCIRefToHex | Converts Ref to hexadecimal string | |
| OCITableDelete | Deletes element | |
| OCITableExists | Tests whether element exists | |
| OCITableFirst | Returns first index of table | |
| OCITableLast | Returns last index of table | |
| OCITableNext | Returns next available index of table | |
| OCITablePrev | Returns previous available index of table | |
| OCITableSize | Returns current size of table |
| Command name | Purpose |
| OCICacheFlush | Flushes modified persistent objects in cache to server |
| OCICacheFree | Frees objects in the cache |
| OCICacheRefresh | Refreshes pinned persistent objects |
| OCICacheUnmark | Unmarks objects in the cache |
| OCICacheUnpin | Unpins persistent objects in cache or connection |
| Command name | OCI command name (if different) | Purpose |
| OCIAttrGetText | OCIAttrGet | Gets value for attribute of a handle |
| OCIAttrGetVal | OCIAttrGet | Gets value for attribute of a handle |
| OCIAttrSetText | OCIAttrSet | Sets value for attribute of a handle or descriptor |
| OCIAttrSetVal | OCIAttrSet | Sets value for attribute of a handle or descriptor |
| OCIBindByName | Binds by name | |
| OCIBindByPos | Binds by position | |
| OCIDefineByPos | Defines output variable association | |
| OCIDescribeAnyText | OCIDescribeAny | Describes existing schema objects |
| OCIDescribeAnyVal | OCIDescribeAny | Describes existing schema objects |
| OCIDescriptorAlloc | Allocates and initializes descriptor or LOB locator | |
| OCIDescriptorFree | Frees previously-allocated descriptor | |
| OCIEnvCreate | Creates and initializes an OCI environment | |
| OCIErrorGet | Returns error message and Oracle error | |
| OCIHandleAlloc | Allocates and initializes handle | |
| OCIHandleFree | Frees previously-allocated handle | |
| OCIServerVersion | Gets Oracle version string | |
| OCIStmtExecute | Sends statements to server for execution | |
| OCIStmtFetch | Fetches rows from a query | |
| OCIStmtGetBindInfo | Gets bind and indicator variable names and handle | |
| OCIStmtPrepare | Prepares SQL or PL/SQL statement for execution | |
| OCITerminate | Detaches from shared memory subsystem |
| Command name | Purpose |
| OCITransCommit | Commits transaction on service context |
| OCITransDetach | Detaches transaction from service context |
| OCITransForget | Forgets prepared global transaction |
| OCITransPrepare | Prepares global transaction for commit |
| OCITransRollback | Rolls back transaction |
| OCITransStart | Starts transaction on a service context |
| Command name | Purpose |
| OCIDurationBegin | Starts user duration for temporary LOB |
| OCIDurationEnd | Ends user duration for temporary LOB |
| OCILobAppend | Appends one LOB to another |
| OCILobAssign | Assigns one LOB locator to another |
| OCILobCharSetForm | Gets character set form from LOB locator |
| OCILobCharSetId | Gets character set ID from LOB locator |
| OCILobCopy | Copies all or part of one LOB to another |
| OCILobCreateTemporary | Creates temporary LOB |
| OCILobDisableBuffering | Turns off LOB buffering |
| OCILobEnableBuffering | Turns on LOB buffering |
| OCILobErase | Erases portion of LOB |
| OCILobFileClose | Closes previously-opened BFILE |
| OCILobFileCloseAll | Closes all previously-opened files |
| OCILobFileExists | Checks whether file exists on server |
| OCILobFileGetName | Gets directory object and file name from LOB locator |
| OCILobFileIsOpen | Checks whether LOB is open |
| OCILobFileOpen | Opens BFILE |
| OCILobFileSetName | Sets directory object and file name in LOB locator |
| OCILobFlushBuffer | Flushes LOB buffer |
| OCILobFreeTemporary | Frees temporary LOB |
| OCILobGetChunkSize | Gets chunk size of LOB |
| OCILobGetLength | Gets length of LOB |
| OCILobIsEqual | Compares two LOB locators for equality |
| OCILobIsTemporary | Determines if given LOB is temporary |
| OCILobLoadFromFile | Loads LOB from BFILE |
| OCILobLocatorIsInit | Checks to see if LOB locator is initialized |
| OCILobRead | Reads portion of LOB |
| OCILobTrim | Truncates LOB |
| OCILobWrite | Writes into LOB |
| OCILobWriteAppend | Writes data beginning at end of a LOB |
| Command name | Purpose |
| OCINumberAdd | Adds numbers |
| OCINumberArcCos | Computes arc cosine |
| OCINumberArcSin | Computes arc sine |
| OCINumberArcTan | Computes arc tangent |
| OCINumberArcTan2 | Computes arc tangent of two numbers |
| OCINumberCos | Computes cosine |
| OCINumberDiv | Divides two numbers |
| OCINumberExp | Raises e to specified Oracle number power |
| OCINumberFromText | Converts string to Oracle number |
| OCINumberHypCos | Computes hyperbolic cosine |
| OCINumberHypSin | Computes hyperbolic sine |
| OCINumberHypTan | Computes hyperbolic tangent |
| OCINumberIntPower | Raises given base to an integer power |
| OCINumberLn | Computes natural logarithm |
| OCINumberLog | Computes logarithm to arbitrary base |
| OCINumberMul | Multiplies numbers |
| OCINumberPower | Exponentiation to base e |
| OCINumberRound | Rounds Oracle number to specified decimal place |
| OCINumberSin | Computes sine |
| OCINumberSqrt | Computes square root of number |
| OCINumberSub | Subtracts numbers |
| OCINumberTan | Computes tangent |
| OCINumberToText | Converts Oracle number to string |
| OCINumberTrunc | Truncates Oracle number at specified decimal place |
| Command name | Purpose |
| _o_OCICleanUp | Frees up memory used by objects |
| OCIGetTnsnamesPath | Returns full path of Oracle home folder |
| OCIOnErrCall | Installs error-handling method |
Note: These are 4D commands with no equivalent Oracle version.
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Produkt: 4D
Thema: Summary of commands
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4D for OCI ( 4D v20)
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